Bitx40 sketch


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Bitx40 sketch

Jan 11, 2017 · Hacking an earlier version of the Bitx40 to include the Si5351 LO and an OLED Display. com for more info. In Pete's sketch, he has the frequency setting code in the encoder Interrupt Service Routine. See more ideas about Electronics projects, Hams and Qrp. I have been having fun with the BitX40 transceiver, lately. 5 x 6 inches and a second small plug in daughter card that takes care of the digital portion of the design including the 2X16 LCD, Arduino Nano, and Si5351 which are used in the VFO. demonstrating the new capacitive touch keyer functionality in my Raduino sketch for BitX40. Jul 22, 2018 · volatile byte aFlag = 0; // let’s us know when we’re expecting a rising edge on pinA to signal that the encoder has arrived at a detent volatile byte bFlag = 0; // let’s us know when we’re expecting a rising edge on pinB to signal that the encoder has arrived at a detent (opposite direction to when aFlag is set) Sep 26, 2017 · Using what I had already written as a starting point, it did not take too long to get a usable sketch working. One clock as a VFO and other as a BFO. Jan 31, 2018 For those wanting to upgrade the stock BITx40 the favoured option is to use the software developed by Allard PE1NW. The sketch provides additional features such as USB, CW, RIT/SPLIT etc. View of LM386 audio output board - wire tied to output jack. Ron Van Doremalen PA3FAT has been working on the code for the Bitx40 arduino vfo with me for the past 10 hours. He included a software calibration that uses a push button press to enable the operator to tune a known frequency signal “by ear” to establish an offset to be applied to the VFO frequency. My first DDS has been very popular, but there have been a few requests for improved performance. I changed. LINKs: HF Signals www. BITX40 doesn't use a lot of the pins. The BITX40 kit comes with a completed circuit board for the radio and the digital VFO, the Raduino. Being the Convener of HFI 2014, Ashar Farhan created this BITX40 specifically for the HFI 2014 delegates and a PCB was made part of the welcome kit. 1uH T50-2 15t Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. It is an inexpensive ($59) QRP 40 meter band SSB (LSB only) transceiver that comes as a semi-preassembled kit. This project assumes that you have already installed the RF gain control described here (for the BITX40 or here (for the uBITX) and bridges across it at the control potentiometer. Hacking an earlier version of the Bitx40 to include the Si5351 LO and an OLED Display. The AD9850 is a chip that can produce a sinusoidal wave from about 1hz to 40mhz. Find that on EMRFD or QST?  that accomplished? I want to operate CW with the BitX40 and RIT would be helpful. Calibrating the Raduino. New Printed Circuit Boards of Bitx3B, Bitx3C Exciter And PA will have these mods done. com BITX4 Automatic Band Switching Dual Band BITX40. It has rotary encoder synthesised tuning, VFO A/B/Split, Iambic keyer, CW decoder, and more Click! Shop order $49 A small radio has a small battery so i came up with this idea. Network transceiver setup notes; Ethernet RFI noise reduction; G7UHN/P: Backpack Portable ‘Fast Setup’ Portable Vertical Antenna; GIS for Radio Maps; NMEA to Yaesu VX-8. Bitx3C Exciter Sch, with mod done to disconnect of Exciter RX Ant on Transmit. com. You’ll need some soldering equipment, an enclosure for the BITX40, and some basic tools (we love a good multi-tool!). The second sketch (BITX60ST. First install a stable version of latest Arduino IDE from here. This is a text document that can be copied and inserted in a blank Arduino Sketch and then saved as aproject in the Arduino Directory. Inside an evening, you can be on-air with this SSB transceiver module, chatting with the local gang or chasing DX. Oct 13 2017. Side view of 10 turn pot, support bracket, and shaft. To align the BITX40, you’ll need a quality multi-meter with an accurate ammeter. ccoelnslash [G] (FT-60R & 450D & Bitx40) 2 points 3 points 4 points 1 year ago Cut the end off a baofeng speaker mic and used cat5 connections to plug it in. // AS3935 to be used from within library, it is defined later in main sketch. BitX40 is DDS_frequency=carrier_frequency - target_frequency. These can be had for around $25. This is especially annoying when wearing headphones and much more so when operating CW where it frequently switches. Sketch to write only once at the beginning. F. If you plan to use the Allard's code to handle other radio beside the bitx40 and it covers a few Mhz, let BitX40. And adorned on top with a classic Realistic speaker. I discovered I had linked with version 2. check bitxhacks. together by Henricks QRP Kits of California, called the BIT20A. Now click on Tools => Programmer => Arduino as ISP. xx series remains backward-compatible with the vanilla Bitx40 as shipped by Hfsigs. Jan 11, 2017 · The BITX40 is a $59 40 Meter SSB transceiver board set designed by Ashhar, VU2ESE and assembled by a women's collective in India. Oct 04, 2017 · The BITX40 is supplied with the Raduino to make drift free, precise tuning easy. 10 milliwatt 25 aprile 50 mhz Ailunce HD1 antenna aprs BITX40 BrandMeister codeplug Contributo radioamatori 2017 D-Star DashBoard display DMR DVMEGA Es'hail-2 FIRMWARE Frequenze Guglielmo Marconi HB9 HD1 HD44780 HotSpot IK6DIO MD390 MMDVM Mod OM Oscar-100 Pi-Star PTT Push to Talk QSO Radioamatori Radio Amatori raspberry Raspberry 3 Raspberry Pi The "QCX" is a 5W, single-band, high performance CW transceiver kit with WSPR beacon, and built-in alignment/test equipment. 3, now full documented. He is just going to bed (0500 AM locally in the Netherlands). When the groove became bit deeper, I placed the sheet along with a sharp edge ( used the edge of the drawer ) and carefully bend the sheet both directions. It comes as a preassembled board and external components. When I got it working it was a short distance to the Bitx40. Rotary encoder module. And so much of it is for phone. We're dedicated to providing you with the most robust and advanced ECU for your Mazda, Toyota, Nissan, and custom projects. Being the Convener of HFI 2014 , Ashar Farhan created this BITX40 specifically for the HFI 2014 delegates and a PCB was made part of the welcome kit. I constructed it on a small double sided matrix board with plated through holes. com/amunters/bitx40 ; in this improved Bitx40 sketch PE1NWL sends CW by unbalancing the mixer with 5V from the  May 30, 2017 I have started it to assembly in the temporally case my bitx40. It features digital tuning, dual VFOs, RIT, CW Keyer and more. . However, the shipped uBITx turned out to feature a mechanical rotary encoder. I’ve hijacked this functionality and caused it to turn on a relay when VFO B is selected. It's a knockoff of the DFRobot Shield. Listening to a nice QSO on 40 meters as we speak. Jan 10, 2017 · So in addition to the hardware limits (BPF and LPF) there are frequency limits typically coded into the sketch. If you're looking for something we don't have, please let us know and we'll do our best to find it. Every Arduino 'sketch' [program] contains two basic parts. ino. If you need sketch for BitX40 then send email to me. We specialize in providing our customers the very best in display products. You can find these files under the Bitx40 link (on the website) and these too are in notepad form. 73, Allard PE1NWL Apr 14, 2019 · This sketch implements digital BFO functionality to the BitX40. Paul SIMMONDS (VK5PAS) The Bitx40 transceiver – mini review. al. A pleasing hiss came from the speaker with a faint background signal. It seems there is no VFO signal coming from the CLK2 output. 1 for BITX40 - Allard Munters PE1NWL (pe1nwl@gooddx. The board also has provision for a optional reverse voltage diode. The rig has become so popular, that the designer has expanded to a new version, the uBitX (microBitX), that covers the ham bands between 80 and 10 meters. Double click on the raduino_v1. See Jan 03, 2018 · As you can see the extracted directory is called bitx40-master. I Solved my problem by doing the following from arduino forums: . Once blocks are understood then a design can be made at the high level. We use the same idea here but use 5ms as the elapsed time check (5ms = 200Hz). bitx40/Raduino sketch version 1. Write the main sketch after writing this sketch. 000 offset and I get 40 meters and normal reception for SSB but the band is inverted. com Email at HF Signals hfsignals@gmail. 0 MHz, using a commercial filter available from the GQRP Club Sales . 1. I'd try writing a script file for your OS that checks each character for being greater than [ASCII] code 31 or REM out each line (or block of code) and verify until the line containing the fault is found then re-typing it manually. Now you can upload the sketch by selecting "Upload" from the sketch menu. 15 by Allard PE1NWL. LPF Original LPF is not good. Oct 02, 2017 · demonstrating the new capacitive touch keyer functionality in my Raduino sketch for BitX40. All good so far, but now it was time to connect a dummy load and power meter and see if I had some RF. OK? Let's enjoy homebrew. Mar 26, 2018 · However, at least when you bought a Bug, you would have doors, locks, and upholstery on the seats. To do this, it sends a pulse to the sensor to initiate a reading, then listens for a pulse to return. Hey guys, I'm a newly upgraded general looking to get on HF with the Bitx40. The RF board measures 5. With the buttons on the rotary encoder can be reset to its initial state, BITX40 sketch for Raduino. It is available for 80, 60, 40, 30, 20 or 17m bands. LibreCAD is a free Open Source CAD application for Windows, Apple and Linux. Raduino_v1. It requires some minor soldering skills, and you have to source yourself. Pushing the button on the rotary encoder will step through the steps or by holding it down will scroll through the steps. Ailunce HD1 (Manual Operation Instructions) Posted by, ik6dio on 18 Novembre 2017 Il giorno 15 di questo mese il Team Retevis Ailunce , ha pubblicato sul grande Tubo (YouTube) il filmato, dove Yolanda (BH6PJL) , o chi per lei ci spiega accuratamente le caratteristiche di questo palmare DMR , progettato per noi Radio Amatori . The sheet was able to cut and did a little bit of filing to smoothen the edge. The v1. Burning a bootloader to Atmega328. Three, the same kit of parts (still including the pre-programmed NANO), but with the Si5351 already soldered in place for those who would rather not attempt mounting that really tiny integrated circuit. That is as the DDS frequency changes there is an audible click in the speaker or headphone output. It's already in the code but commented out in the loop. 2 MHz is an alternative. 0 is the Simpleceiver Plus SSB Transceiver Architecture with the following changes: A GRQP Club 9. Close the Arduino IDE; Go the the folder below: Some BITX40 radios -- including mine -- built as designed exhibit tuning clicks. MultiBand BITX40 Introduction. Dec 02, 2016 · This vfo covers 1 hz to 40 Mhz. Introduction. So I usually try to avoid anything that has that "seasick green" color. Using the Tools menu make sure the correct Port is selected. Apr 16, 2017 · Minimum BITX40v3 Hacks The two mods that everyone should be adding as soon as they get their BITX40v3 are the Q13 protection diodes at K1 and the 2nd harmonic reduction mod (100 pF NPo 100V capacitor across L7 in the output filter). It works from 3 MHz to 30 MHz, with up to 10 watts on SSB and CW with a very sensitive receiver. I purchased my Bitx40 early in November 2016 before the "Digi" VFO was available from hfsigs. Nov 01, 2017 · V2. Just click "OK" and the IDE will sort it out for you. Jerry KE7ER notes that the schematics on the hfsignals. Sandwich is a small kit providing the basic feature as a digital VFO. set_freq(bfo_freq * 100ULL, SI5351_CLK0); Then I turned it on, saw that the BFO was now too far above the IF passband, and with a couple of experiments, came up with the following edit near the top of the sketch: More hacking/mod’ng the BITX40 I did some mods to my BITX40. Apr 16, 2017 · The Q13 protection mod is extremely important as there have been hams who have blown Q13 within hours (or even minutes) of getting their new BITX40v3 working and hooked up to an antenna. Now that Pete is moving the Simpleceiver to a single conversion super-het, I will have to worry about the BFO as well as VFO frequency. It Aug 01, 2016 · mcHF Update – New Knobs, Bootloader & Firmware. The component number. <br /><br />Enjoy your updated BITX40 software. Arduino Sketch Information HERE. I tried adding enough comments to the sketch to make it clear. thanks, I've just quickly tried your example sketch bitx40mcu, along with your library Si5351mcu. BBHN link throughput; Network Receivers; Network Receivers v2; Network Transceiver Operation. I added a 10 turn 10K pot for the tuning, to get better granularity, and I added UpperSideband (USB), so i could use it to work digital modes. Output is 5 Watts. Our world class customer service team can help you find the best ECU and accessories tailored to your needs. The uBITX sketch is great because it has two VFO’s, VFO A and B. mine does a solid 4-5 watts pep with the icom hm-36 mic,, the receive is great, the radio has a calibration option, mine was off about 200hz but after doing the calibration it is dead on frequency. The signal reports were telling in that the signal quality and "punchy audio" were considered to be quite good --but you know the OF's HFI 2014 – BITX40 Design – Everything you want to know! The BITX40 is a variant of Ashar Farhan’s (VU2ESE) original BITX20 design. By removing all inside material with a Dremel tool enough space is created to hold 2 Li-ion batteries in parallel. My first BITX40 to BITX40 QSO was with Tom VE3THR, the radios sounded very good except that the analog tuning had a lot of drift. I did that, uploaded the sketch and viola! The clicking was gone. Bitx40 Sequenza di foto della costruzione “Bitx40”, il transceiver QRP 5 Watts, per la banda dei 40 metri – 7 Mhz, by Ashhar Farhan, VU2ESE. Global variables use 9 bytes (0%) of dynamic memory, leaving 2,039 bytes for local variables. but these will only become functional when the related (minimal) hardware mods are made. Also I have loaded it sketch raduino_v1. com/afarhan/bitx40/blob/master/raduino. A3 FCN Function switch (used in more recent bitx40 sketches for most adjustments) A4, A5 Not available – used internally to control the Si5351 via I2C interface A7 potentiometer wiper input 0-5V to control frequency OUTPUTS D2 digital output unused D3, D5, D6 pulse-width modulated pseudo analog outputs available for your usage D4, D7 apparently unused Sketch uses 928 bytes (3%) of program storage space. ico" is a sketch to write initial band_data to eeprom. What others are saying We offer mounting solutions for Icom, Kenwood, Yaesu, Vertex and Alinco Radios. R3 and C3 are used to not only filter out the audio component, but to form a “fast attack, slow release” control signal. I have 2, one is built into a cake pan and has the function button and PTT sensor, running Allard's sketch. BITX40 . For over 60 some years my microphones have been wired so that the Sleeve on the microphone plug is ground, the Tip is the PTT control and the Ring is the Audio. Looks like you had fun completing the enclosure for it. Plug in the earphones, the included electret mic, tuning and volume controls and you are on air! Included are high quality connectors, all the needed sockets and jacks, tuning and volume controls, mounting hardware, etc. The BITX40 board is a two board, 40 meter SSB transceiver module kit with digital Arduino sketches, construction ideas, and support for this amazing little rig. It compiles OK but it doesn't work on my standard BITX40 that uses the CLK2 from the Raduino. Near the beginning of the Arduino sketch you will find the following variable that defines the Band Select configuration: Depressing the Band Select pushbutton will step through the programmed frequencies. The S-meter is useful for giving a comparative reading between the noise floor (RF level when the station you are trying to hear is not transmitting), and the signal strength of the station you are attempting to hear. <br />My first BITX40 to BITX40 QSO was with Tom VE3THR, the radios sounded very good except that the analog tuning had a lot of drift. A3 FCN Function switch (used in more recent bitx40 sketches for most adjustments) A4, A5 Not available – used internally to control the Si5351 via I2C interface A7 potentiometer wiper input 0-5V to control frequency OUTPUTS D2 digital output unused D3, D5, D6 pulse-width modulated pseudo analog outputs available for your usage D4, D7 Analog VU Meter - I2C OLED SH1106 - OLEDMeter Animation will be used as an S meter on the front panel of my BITX40 transceiver. This gives the advantage of acquiring the matching crystals for the BFO and with a 5 MHz Analog VFO you can have a two band rig (20 meters or 80 Meters). com * Modified for testing the inexpensive AD9850 ebay DDS modules I have started it to assembly in the temporally case my bitx40. 90mA is drawn on receive which makes this a great trail radio. Aug 01, 2016 · mcHF Update – New Knobs, Bootloader & Firmware. My unit puts out a solid 6 watt but the availability of the option to supply a higher voltage to the final means you can get more if you wish. 3 ja2gqp 10/02/2019 8 By admin Pada dasarnya sketch dari VFO ini identik dengan . When the PTT is pressed (TX mode), the regulator will be on, so pin A0 will see +5V The BITX40 is shipped as a set of two boards : The Raduino and the Main Transceiver Board, with connectors and external components. D13 of the Arduino is reserved for the decimal point segment. This sketch have Yaesu FT-817 emulation to connect arduino with many HAM software like N1MM+ , fldigi and other. h and si5351. This is a feature of GitHub encoding the branch on into the ZIP file. I set the VFO to -2. provider of LCD display modules. It makes me jealous. There is code for dual vfo, rit, cw tx/rx. The message structure that comes from the Nextion is as follows: 3 characters that indicate the start and type of message. Dec 01, 2018 · Belt and braces filtering of a BITX40 power supply. hfsig. The pin is put into input-pullup mode so all you have to do is ground the pin to wake the chip. I had the . As most of you know, I am a QRPer (in addition to an SDR enthusiast), so this was a great opportunity to build a single band, 5W QRP rig that has amazing features like a CW Beacon, WSPR beacon, a CW keyed and a really nice receiver. While working on a new Instructable (coming soon) I had decided to use an Arduino Uno with an LCD/button shield I purchased off of AliExpress. Pre-built Bitx40 review. ). The BITX40 is a 7 MHz LSB radio kit you order from hfsigs. The RaduinoX provides headers for the Arduino Nano, a better mounting for the 5V regulator (fixes a hot regulator issue), and a connector for a rotary encoder et. If you plan to use the Allard's code to handle other radio beside the bitx40 and it covers a few Mhz, let Oct 02, 2017 · demonstrating the new capacitive touch keyer functionality in my Raduino sketch for BitX40. The sketch is shown below: Stepper Motor Demonstration I ordered back in October of 2017, a QRPLabs QCX 30 meter transceiver. 27. As Sir Winston Churchill so aptly said KBO! 73'ws Pete N6QW BTW the Black and White version was the original development work for use on a 20M Transceiver. Each entry follows the format “{CLK1 frequency, CLK2 Frequency, math command}. Another view of the 5V regulator heat sink. A running BITX40. The BITx40 and the original uBITx design used a rotary potentiometer for tuning. The Problem ( and Solutions ) With Arduino Interrupts If you have ever tried to port an Arduino project that uses interrupts from one board type to another, you have probably experienced frustration, this includes the sample code throughout RCArduino. The hack should also not involve changing the sketch and be completely reversible. For the purists, a voltage controlled oscillator that covers 4. I had no trouble resolving several european stations. This is a $59, including shipping, 40m SSB rig produced in India as a populated circuit board and a bag of parts including everything needed to get on the air except a speaker, power supply, and antenna. The BITX40 has always been plagued with a loud “pop” in the speaker when changing from transmit to receive modes or back again. /* Ping))) Sensor This sketch reads a PING))) ultrasonic rangefinder and returns the distance to the closest object in range. bitx40 free download. Launching GitHub Desktop GitHub is home to over 40 million developers working together to host and review code, manage projects, and build software together. , howver for SSB operation, the vfo is stationary as the 9MHz I. It has been about 2 months backordered, but the BitX40 is still available for delivery in about 2 weeks from ordering. It's need to chenge sketch for arduino. 100pf mod or addition is needed to get the harmonics in spec for the us. On the Osc board, you can find a few unused pins of Arduino board, including analog pin A3 and digital pin D6 (PWM output possible). Adaptronic is the leader in aftermarket ECUs and accessories. cpp, si5351. Jan 03, 2018 · Have uploaded the original uBITX software to a BITX40 Raduino purchased just before the uBITX ) after changing the five pin plug to a 90 degree header and I think its good. Jan 31, 2017 · homebrew radio, ham radio, N6QW, DIY, QRP, BITX Yet another hack of the Bitx40! 1/7/2017 The Arduino Sketch will be posted on my website using the link below. A bit of noodling led to the layout shown in the photos. ” You may modify, delete, or add to the Band Select list. cpp. A small radio has a small battery so i came up with this idea. * A simple single freq AD9850 Arduino test script * Original AD9851 DDS sketch by Andrew Smallbone at www. KB1OIQ BITX40 sketch features: * dual VFO, swap VFOs, make one VFO equal to another * MIC Up/Dn work to set frequency ranges for tuning * print help * calibration * specifically reduce display updates to reduce speaker clicks * diagnostic routines, including calibration * USB (for digital modes) * keypad functions * save/restore rig paramters to EEPROM * digital modes with custom cable * digital voice synthesis using Talkie library * many others, see the sketch Digital Modes: * These work The BITX40 has always been plagued with a loud “pop” in the speaker when changing from transmit to receive modes or back again. From watching a youtube video postings, I have done similar with the si5351 to provide both the vfo and bfo source signals, and as before the CW tx is the vfo placed onto the dial frequency for transmission, while for Rx CW mode, the vfo is placed high for a 9MHz I. It's $60, but takes like 2 weeks to ship cause they come from India Pre-built Bitx40 review. Since there are several good versions of BITX40 software, the NANO will come un-programmed if it's ordered for a BITX40. Jan 03, 2018 · And, as I thought, only difference between the BITX40 Raduino and uBITX is the right angle header. Upload the sketch to the Arduino. The IF is supposed to range from 4. 000. The original analog BFO oscillator is disabled. It boasts a SIS531 DDS controlled VFO with Arduino Nano controller, crystal filtering, and a strong following with a Yahoo support group. The Raduino The µBITX ‘s Raduino plugs into the main µBITX board. The software allows for the frequency to be adjusted in steps from 1 Hz, 10 Hz, 50 Hz,100 Hz, 500 Hz, 1 KHz,2. Rgds, Neil. Added an Arduino controlled Si5351 VFO to the Bitx40 Like, it seems,  . net) This source file is under General Public License version 3. IMPORTANT: This sketch version requires the library « PinChangeInterrupt » for   BITX40 and the ARDUINO - Hardware build & Software Upgrades. Oct 27, 2019 · BITX40 sketch for Raduino This sketch is intended as universal, standard Raduino software that should always work, even on a unmodified out-of-the-box BITX40 + raduino board. Right off the assembly line, the uBITx was menu-driven. rocketnumbernine. Both side C=50pF(430pF+22pF)、center C 900pF(820pF+082pF)、coil 1. This is the very popular arduino LCD shield. This website is dedicated to the uBITx. There is only one board with components mounted on both sides. It builds on the previous tutorial where we used the millis() function to give us a timing interval. Save my name, email, and website in this browser for the next time I comment. The cause is because they transmitted on a nearby antenna with their 100W or higher station rig while the BITX40 was receiving on its antenna. You have to supply your own cabinet, mic, speaker, power supply and Antenna. The sketch  The W8TEE BITX40 Modifications. h, Rotary. 3 Arduino file to open the sketch in the Arduino IDE. com website for the Bitx40 are final but not necessarily correct. Most source code are meant to be understood by the compilers and the computers. This sketch implements digital BFO functionality to the BitX40. I have started it to assembly in the temporally case my bitx40. is ready in My github based on Bruce MacKinnon KC1FSZ , BITX40 VFO. from the facebook group it seems that VU3JOJ and VU2SWX are making and uploading the process/fotos on facebook. See Feb 10, 2017 · This video contains many resources that will help you with your BITX40 project. In addition to the 5 channels you now have channel "zero" which is shuttle tuned. 2016) on a pre-constructed printed circuit board surface-mount kit that merely required the purchaser to solder connections to power supply, speaker, mic and such. Aug 24, 2019 · アマチュア無線関係の自作備忘録としてのblogです。最近は部品調達も段々難しくなってきました。多くの方の情報交換が Apr 07, 2017 · Arduino CW keyer for a BiTx or other homebrew rig. Soldering is required, but all of the SMD and other components on the Main Transceiver Board and already soldered in place for you. Typically the distance was in the 200 to 300 mile range. Mike's Flight Deck is an introduction to home cockpit building, the hobby that takes off where flight simulation game software ends. It uses a pushbutton on A3 pin to select using tap, press, double tap method. Aluminium sheet bending was one of the big challenge. The BITX40 is shipped as a set of two boards : The Raduino and the Main Transceiver Board, with connectors and external components. The 3rd output can be put to use as a CW tone generator. S. "VFO_V4_eep. Puts out about 9 Watts according to the Oak Hills QRP meter. Thus one of the hacks is to somewhat expand the lower and upper frequency limits so that the Arduino will tune either the AD9850 or Si5351 slightly above and below the 40 Meter Band. Maximum is 2,048 bytes. In Several Older Posts I’ve touched on ways that you can make a multiband BITX40 radio. A battery case for AA size batteries is available on the net . If you want something small and low drain for SOTA or parks portable operating, it’s hard to go past the Bitx40 designed by Ashhar Farhan VU2ESE. While those methods worked, they were experimental. The original Bitx40 has transistor Q13's base exposed directly to the receiving antenna – very strong nearby transmitters (think: Field Day) can potentially exceed the reverse base-emitter junction rating and dump considerable and damaging energy into the transistor, destroying it. QCX: a feature-packed, high performance, single-band 5W CW transceiver kit, with WSPR beacon and built-in alignment/test equipment. 5 KHZ, 5 KHz, 10 KHz, 100KHz and 1 MHz. This gives me two serial ports, one of which can operate at 4800 bps (NMEA standard data rate), the other can operate at 9600 bps (VX-8 data rate). Crystalfontz America is a leading U. Has anyone here managed to transmit CW with the Raduino-upgraded Bitx40 yet? If so, where did you connect your key (or keyer) into the circuit? Or is the Bitx40 still SSB only (in which case I will simply have to use a digital interface and do CW via FLDigi)? I will provide the 60 meter sketch to anyone that is interested free (of course) if they will write me at ND6T@ARRL. It includes a 2x16 LCD display and 6 momentary push buttons for menu selection purposes. For those not familiar with the Project this is *not* a kit, rather like its sibling (the BITX40) it consists of two assembled and tested Circuit Boards. He further advised that having a separate power supply for Arduino/OLED abated the noise generation problem. The Bitx40 kit is a great way to get an excellent 40m receiver and QRP transmitter in an easy to build kit. Mar 22, 2016 · I’m on a Bitx40 so on 40 meters. Support and documentation is free from our large, dedicated community of users, contributors and developers. Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. One thing that I did different in my sketch, from the one that Pete sent me was the way I handle the rotary encoder. When the PTT is not pressed (RX mode), the regulator will be off, so pin A0 will see 0V (LOW). Open Arduino IDE. net unless Bill or Pete can think of another way for me to post it. I use a KOSS CS-100 headphone/Mike. Feb 15, 2018 Hello All, I got Allard's Raduino sketch to compile on an Uno R3 that I'm playing with, and I also got a rotary encoder working on a test sketch,  Jul 23, 2017 The next step is to download the “source code” Sketch containing the software that controls the Raduino board inside the BITX40. Mike WA6ISP has an upgraded Raduino. My SSB BitX-40 build from VU2ESE February 28, 2017 Michael Struzik Below is a photo of my BitX-40 kit from Ashhar Farhan VU2ESE in India with my very own custom designed case. 0 Mhz to 7. Close the Arduino IDE; Go the the folder below: Dec 28, 2017 · The values are chosen to minimize current usage, and the values used must be defined in the sketch to correctly calculate the supply voltage input to the Arduino. 27 software in it and didn't take the time to figure out how to change between USB and LSB. Building notes: 1. Sep 23, 2017 · The BITX40 is an interesting project. Mine gets a tiny bit of broadcast band break through into the audio stage (when the volume is down) For Sale Finished working Bitx40 Transceiver Specs from the guys making the kit: Technicals The Raduino The new BITX40's Raduino is an Arduino Nano powered, small, hackable board based on Thread by: KE0CGB , Aug 13, 2017 , 1 replies, in forum: Ham Radio Gear For Sale Sketch is a design toolkit built to help you create your best work — from your earliest ideas, through to final artwork. I decided to Po_meter and the S_meter were shared. Launching GitHub Desktop If nothing happens, download GitHub Desktop and try again. 1uH T50-2 15t The BITX40 is a variant of Ashar Farhan’s (VU2ESE) original BITX20 design. The board came to life on the first power up but the text spilled off the bottom of the oscilador. Dec 01, 2016 · Bitx40 V3 - Home Brewed enclosure and DDS VFO. In this post, I’m going to show you a way that you can use your BITX40 on almost any band without compromising any filtering. Last year I thought the BITX40 was “done”. BITX40 notes; Broadband HamNet notes. Sign up BITX40 sketch for Raduino, Pavel's blend. Let me know if you try it, or better still, use it in a BiTx or homebrew rig. More hacking/mod’ng the BITX40 I did some mods to my BITX40. other use cb 4 pin. Some other Arduino keyers I found include this well-worked one from K3NG , and this one for an Uno . In the Arduino board, digital outputs from D2 to D8 are used to drive segments (a to g), and digital outputs D9 to D12 are used for the digits (D0-D3) of the 4×7 LED display. This is site is devoted to Homebrew Radio Construction Projects inclucding SSB Transceivers and features Arduino Microcontroller applications I know it's been a while but it might be helpful for other people. 80 to 5. This allows quickly switching between two frequencies and is essential for building a dual band BITX40. Dec 28, 2017 · BitX40 is DDS_frequency=carrier_frequency - target_frequency. Contribute to amunters/bitx40 development by creating an account on GitHub. It was possible also to find waste of a small programming. Apr 07, 2017 · In the spirit of Arduino, Raduino and BiTx40, you can modify this sketch to suit your needs and likes. Available for 80, 60, 40, 30, 20 or 17m bands. This is a video showing the Arduino VFO running using the Si5351 board. The BITX40 is an interesting project. Email *. This eliminates the need for the proprietary software that was required to update the firmware in the past and solidifies the open source development of the mcHF going forward. Showing addition of 5V regulator heatsink and LM386 Audio Amplifier. Well, the BITX-40 project had led me to wanting to investigate the "DDS VFO concept" a little . It is an Arduino Nano powered, small, hackable board based on the rock steady Si5351 synthesizer with a 16×2 LCD display, 6 analog ports, three oscillators and six digital lines. The IDE will complain about the sketch name not matching the directory name. 25. encoder rotativo Il mio piccolo QRP Bitx40 è arrivato (aggiornato) … Ci siamo dopo una lunga attesa, finalmente è arrivato il mio piccolo Transceiver kit QRP e con molto piacere senza balzelli doganali, forse si sono vergognati di applicarli, visto il tempo che ci è voluto per arrivare, “più di due mesi”. A word here about the uBitx wiring. For those people who are not skilled in writing software, developing programs has never been easier. I started by downloading, Przemek Sadowski, SQ 9NJE 's code and his Si5351 library and was able to get it to work with very little problems. ) is a bit more flexible, allowing tuning all about the 5 MHz band. A great source for 50 ohm ICs and modules is mini-circuits. Not the most elegant work I have done, but the BITX40 is up and running. , G4ILO, HF, Mod, modi digitali, PA3FAT, psk31, QSO, sketch  Apr 16, 2017 Look at https://github. Selection of 12 or 24 Volts for Final. Band is maximum 8 bands. 0. The Dual Band option will likely work fine, but I found it overly complicated for the purpose. They even included an electret microphone element which I have put into a small plastic box with a PTT button. Apr 09, 2017 · Replacing the BITX 40 BFO The BITX 40 is all about modifications. The Sketch  Mar 24, 2018 Update on a multi/dual band BITX40 using a custom VFO/BFO and a custom I went hunting for an Arduino sketch that was close enough that I  built and it is a simple connection to the main Bitx40 transceiver board. The updated bootloader allows the use of the larger USB Type A port for firmware upgrades using only a USB Flash Drive. It was truly multi-band! The trick to doing that was to make the Band Pass and Low Pass filters pluggable using QRP Labs filters. Project Sketch in the Arduino The Problem ( and Solutions ) With Arduino Interrupts If you have ever tried to port an Arduino project that uses interrupts from one board type to another, you have probably experienced frustration, this includes the sample code throughout RCArduino. the vfo input for the bitx40 is 4. Feb 02, 2015 · Next Steps. 2"TFT版AD9850 DDS VFOで、si5351a PLLに移植。 オリジナルと異なる点は、Arduino UNO/nano対応とメモリ機能。 Dec 26, 2017- Explore michael_r_monte's board "Bitx40" on Pinterest. Jan 07, 2017 · There is so much great homebrewing going on down-under. Order by Default Date Nome del file Dimensione Casuale Oct 23, 2016 · BITX40 Work the world on 40 meters. He then goes on to talk about some of the variances and essential hacks. Maximum is 30,720 bytes. Ashhar Farhan composed a brilliant solution in his Raduino sketch. The other is a mobile rig with an old cb Mike, with some sketch mods so that it starts up correctly calibrated each time. Join GitHub today. On tuning around the band it was a surprise on just how sensitive the receiver was. We have mounts for Amateur radio handhelds, remote heads. Contribute to afarhan/bitx40 development by creating an account on GitHub. I still had tuning clicks, so not entirely a software problem. Mine gets a tiny bit of broadcast band break through into the audio stage (when the volume is down) Dec 19, 2014 · Arduino VFO. Notepad Text of Arduino Sketch OLED Display Option for the Bitx40 project! After reading reviews and watching many youtube video's on the BitX40 SSB Arduino sketch: https://github. The modification for suppress the spurious signals provided by a friend involved the following steps: 1) Add 3. NMEA to Yaesu VX-8 Arduino Sketch; SoftRock Ensemble II SDR Notes Arduino Sketch for the Big Kahuna Basically my design is for a two band transceiver based on a single conversion at 9. If used uncomment the line of code in the sketch that adds this to the measured value. Ham Radio Projects This area contains files from a variety of ham radio related projects including: * Software and har bitx40 free download - SourceForge I hooked the bitx40 to my 80m doublet fed with 600ohm true ladder line, with a Johnson matchbox and had no problem making contacts with it, even got a contact in south America. The sketch will set the BFO frequency depending on the mode (LSB, USB, etc. The kit uses the Raduino VFO, an arduino-based tuner which provides a screen readout of the operating frequency. frash memory and one analog port could be saved. The page number. Instead we use the CLK0  BITX40 sketch for Raduino. Introduction Our 21st century take on a classic piece of Ham Radio gear - we took a run of the mill QRP dummy load design and added an Arduino to create the Smarty Load. Akira JJ1EPE had spuries on his BITX40 at 75kHz. The µBITX is a general coverage HF SSB/CW transceiver kit with features you NEED for operating ease, convenience and versatility. You can set up a simple pot (just like the tuning control) to generate a number to be directly scaled to the word-per-minute rate and place that control right on the front panel for speed control. We carry a large selection of graphic, character, OLED, TFT, ePaper displays. This month I completed the build of a 40m Bitx trx to take along when on holiday. 1uF x 2 bypass capacitors to the VCC line (fuse point) 3) PTT SENSE WIRING: Connect pin A0 (connector P1, black wire) via a 10K resistor to the output of U3 (LM7805 regulator) on the BITX40 board. Some other Arduino keyers I found include this well-worked one from K3NG, and this one for an Uno. Jan 11, 2017 · Hacking the Bitx40 with a homebrew Si5351 with OLED Display. NMEA to Yaesu VX-8 Arduino Sketch; SoftRock Ensemble II SDR Notes Next is the Hookup diagram of the Arduino 4-Digit 7-segment LED Display, followed by the Arduino sketch. You can use it as a basis for any kind of experimental platform that you would like since it is very small and simple. … Continue reading That link has some interesting reading, and the first thing I did was to compile and install his software and his modification of the BITX40 sketch. The new version solves the drifting problem with the digital VFO. 73's Ryuu(JA2NKD) 2017年10月9日 7:50 10 milliwatt 25 aprile 50 mhz Ailunce HD1 antenna aprs BITX40 BrandMeister codeplug Contributo radioamatori 2017 D-Star DashBoard display DMR DVMEGA Es'hail-2 FIRMWARE Frequenze Guglielmo Marconi HB9 HD1 HD44780 HotSpot IK6DIO MD390 MMDVM Mod OM Oscar-100 Pi-Star PTT Push to Talk QSO Radioamatori Radio Amatori raspberry Raspberry 3 Raspberry Pi Sep 26, 2017 · A Two Channel SI5351 Signal Generator Update 9/28 9/30/17 After getting the sketches written for the SI5351 board written to support multiple display types, I decided I need to write one more. Hopefully, the code should be easy enough to understand and easily modifyable to put the Rotary Encoder to other uses. In the spirit of Arduino, Raduino and BiTx40, you can modify this sketch to suit your needs and likes. It successfully worked on 80, 40, 30, and 20m. I really like VK3YE's sand graphic proclaiming to the world (or at least to the beach!) that a BITX40 to BITX40 contact had been made. Modifications, Hacks and Fun with the BITX40 boards BITX Hacks Friday, December 22, 2017 A New Look for your uBitx! The standard "green background" with black lettering frequently reminds me that I suffer from Chronic seasickness -- and yes I spent four years in the US Navy. Jun 15, 2018 · You must also have the "included files" in the project folder for the sketch to include Rotary. So has a five pin similar to the white five pin plug/sockets (flat) used elsewhere. 1. Inventing software with Peguino Visuino is as easy as connecting LEGO® bricks. Post Script: My Bitx40 has been on the air and in just one day made four contacts with stations in Arizona and Nevada. Sep 26, 2017 · Using what I had already written as a starting point, it did not take too long to get a usable sketch working. Maybe I should just pony-up the money and go ahead and order one :) 73 dit dit Jan 13, 2015 · BITX SSB QRP TCVR FOR HAM RADIO. produces the SSB signal. blogspot. Next step will be to add code that will offset the vfo freq to work with the 12 Mhz IF. Website. was excited by his OLED VFO for the Bitx40. 096 Four Pole Filter. The value of that component. Looking at the schematics of it, it seems that it would have a fairly sensitive receiver. This hack replaces my original hack that used the AD9850 and Pro-Mini I initially installed with a Nano/Si5351 plus Black and White OLED Display. Sep 26, 2017 · A Two Channel SI5351 Signal Generator Update 9/28 9/30/17 After getting the sketches written for the SI5351 board written to support multiple display types, I decided I need to write one more. Cracking the SI5351 Multiple Clock Generator – Part I. Dec 31, 2014 · After the free gift of BITX40 PCB & cheap/low cost kit supply at the HFI2014 many peoples are making the BITX. And the source code for the sketch is shown below. You need to uncomment them and reprogram the Nano. Instead of writing hundreds of lines of programming code – Peguino Visuino, the visual drag and drop software development environment does all the hard work for LibreCAD Open Source 2D-CAD. 0 mhz. Carefully follow the hookup diagram to complete your hardware,and then upload the sketch to Arduino using the Arduino IDE as usual. These will be removed once the digital VFO is working. More than a thousand PCBs were distributed, Oct 04, 2017 · Learn How Transceiver work using the BITX40 Posted on October 4, 2017 by ve3ips This adds some effort by Goran VE6GPO to put a block diagram together that in conjunction with the schematic and the Ashhar’s description will give you some excellent information on how transceivers work. 0 MHz Crystal Filter is used in place of the homebrew 12. Without any hardware modifications the sketch provides the standard basic LSB functionality. I have built probably over 20 different 40m CW QRP rigs and have considered purchasing the BITX40 for quite some time. I know it's been a while but it might be helpful for other people. When staring at a 17" monitor on a crowded desk, and pushing, pulling and twisting a wimpy joystick just doesn't do any more, it's time to build a simulated cockpit or flight deck. Simple code on Arduino can generate a LSB and USB signal with no hassle of pulling crystals down or up with inductors makes it so much easy and fun. Jan 06, 2017 · Another Bitx40 hack on the drawing boards is how to remotely start the coffee pot while you are in a QSO. 10 milliwatt 25 aprile 50 mhz Ailunce HD1 antenna aprs BITX40 BrandMeister codeplug Contributo radioamatori 2017 D-Star DashBoard display DMR DVMEGA Es'hail-2 FIRMWARE Frequenze Guglielmo Marconi HB9 HD1 HD44780 HotSpot IK6DIO MD390 MMDVM Mod OM Oscar-100 Pi-Star PTT Push to Talk QSO Radioamatori Radio Amatori raspberry Raspberry 3 Raspberry Pi The basic form of the sketch is to set up a software serial port in addition to the hardware serial port already on the Arduino. 3 repeats of '255' indicating the end of the message. I haven't done any troubleshooting yet, this is just my first observation. Some circuits are borrowed from books or scaled from a design in a book. 8 Mhz to 5 Mhz to cover the 7. BITX40 sketch for Raduino - Mods from PE1NWL; BITX40 sketch for Raduino - Original from Ashhar Farhan; Updated Si5351mcu library from Pavel Milanes Costa Companion BITX40 sketch forked from Ashhar Farhan's original Oct 06, 2016 · Farhan on What's New in the BITX 40 Module Writing to the BITX e-mail group, Farhan provides some very interesting information on the philosophy behind his new BITX 40 module, and on how it differs from earlier BITX designs: Connecting the Vox to the BITX40 The audio out from the PC was wired directly to the vox circuit- ground go ground, the positive output to the Mic connection on the vox. Instead we use the CLK0 output of the si5351 to generate the BFO signal, and inject it into the BitX40 board. FB. The BITX40 kit basically has everything you need to get it up and running without those unnecessary luxuries like an enclosure, knobs, a switch … you get the idea 🙂 Since this is a kit, many people seem to take a few stabs at making their radio. Oct 23, 2016 · The BITX40 board is single circuit board 40 meter SSB transceiver module. The main boards are built and tested by the manufacturer in India and the end user only has to mount the boards in a case and wire the power, controls, and antenna connections. Code that has to be hackable needs to be well understood and properly documented. I ordered mine here. Few others were also making the bitx. Name *. By rewriting this sketch you can fit the frequency of your multiband VFO. Click on transmit, keying of mike Speed is set in the start of the program as a variable, “wpm”, and is fixed on my simple sketch. Apr 24, 2013 · ad9850 dds vfo I was browsing eBay one day and I ran across a posting for the Analog Devices AD9850. 3uF electrolytic capacitor to VCC line of Arduino board 2) Add 0. The other solution proposed on the internet was that the Raduino voltage regulator was insufficiently decoupled from the 12VDC supply. Sketch ベースとなるスケッチは、 JA2NKD松浦OM の2. Como el BITX40 usa un mezclador por diodos que requiere mayores tensiones tanto para el OFV como para el OFV, se recomienda eliminar los atenuadores resistivos compuestos por R5 a R8 de 1 kΩ y 330 Ω, usando un puente en lugar de los resistores de 1 kΩ. LibreCAD Open Source 2D-CAD. The sketch below illustrates putting the ATtiny85 to sleep, and then waking on a pin-change interrupt on D4 (pin 3 on the chip). Disconnection of RX Antenna on Transmit at P5. It even includes a DDS VFO and display. Use Git or checkout with SVN using the web URL. 5V regulator moved to the front of the board and facing in to save room. Consumption of a frash memory fell from 96% to 92%. IN4007 diodes across both relays. By rotating the rotary encoder can be counted in the positive direction and the reverse direction during rotation of the output pulse frequency, unlike rotary potentiometer counter, which Species rotation counts are not limited. He even has the rotary encoder in there. The 7 MHz BitX40 came later, and used an analog VFO (until Dec. Load the Arduino IDE and the TFT/VFO sketch, select the Mega 2560 board from the Tools → Boards menu and set the  Sep 26, 2017 ​The BITX40 is a $60 Arduino controlled 7 watt QRP SSB 40 meter transceiver designed and built by Ashar Farhan VU2ESE. Feb 06, 2017 · ZL1UEM'S Tiny OLED Si5351 Arduino VFO Hugh ZL1UEM has come up with a very creative way to take maximum advantage of the small size of the Si5351 board, the Arduino, and the OLED display. Sep 12, 2017 · I will add modified arduino sketch - The Peppermint Bark BITX40 VFO , from KC1FSZ (also will add Si570 support - I'm still have unused one, and other staff). by . They are  Apr 30, 2017 Bitx40 CW homebrew. The PTT was wired to the relay, and another connection was made to the BITX40- ground to ground, mic hot to mic in on the BITX40. Note that here the decimal point (dp) option is not used, but included in the sketch. the tuning is a bit tricky at first, the tuning pot only has so much range so when you get to the stop the frequency will encoder rotativo Il mio piccolo QRP Bitx40 è arrivato (aggiornato) … Ci siamo dopo una lunga attesa, finalmente è arrivato il mio piccolo Transceiver kit QRP e con molto piacere senza balzelli doganali, forse si sono vergognati di applicarli, visto il tempo che ci è voluto per arrivare, “più di due mesi”. This is a well worked  The BITX40 is shipped as a set of two boards : The Raduino and the Main . Raduino v2 for BitX40. See below for the long list of features! This is a kit of parts that you assemble yourself. If you know Arduino and electronics quite well, you might want to add a few features by yourself. This project features: Up to 25 watts (Caution! This unit will get hot - recommended to run with ventilation or a small fan to assist in the dissipation of heat) Powered by the commonly available Arduino Pro Micro 5v with USB The Arduino enables LED indication of approximate power level - software can be modified for more Aug 27, 2009 · In the demonstration sketch, if there is lots of light on the sensor, the motor turns clockwise, and if the sensor is shaded, the motor turns counterclockwise. One only needed to open the radio, change the filters, and retune the VFO. Click on Tools => Board => Arduino Nano w/ Atmega328. The design itself is “cheap and cheerful”, and the circuit board is laid out to invite changes and experiments. free software from a Dutch ham that provides a great upgrade to the OEM sketch with dual VFOs, RIT   Posted in Attività Radio, ElettronicaTagged 7 mhz, audio USB, BITX40, board millefori. Consult the Arduino getting started guide if you have to. Jul 06, 2013 · A wee demo of the BITX40 showing off a couple of little modifications that were made to improve audio on the receiver and reduce hiss. // That is up to user to deal with specific implementation of SPI // Note that AS3935 library requires this function to have exactly this signature // and it can not be member function of any C++ class, which happens // to be almost any Arduino library Oct 21, 2016 · So I reconsidered a sketch of Ver2 once more and planned for saving of a memory. Copy and Paste this text in an Arduino Sketch and save it as keyboard_keyer : CW . I must have been one of the last orders before they started selling the kit with the Arduino tuner included, having received the kit on New Year's Eve. Some hams have difficulty giving an RST report (or RS report for SSB) when they are using a rig with no S-meter. GitHub is home to over 28 million developers working together to host and review code, manage projects, and build software together. Apr 23, 2015 · Arduino IDE and Sketch Overview: Learn Programming and Electronics with Arduino Scribd Podcasts HRWB069-What is Arduino: Brittany KF8IJZ received an Arduino kit with many sensors and addons for Christmas and is starting to get familiar with the microcontroller and its capabilities. I knew that I needed a menu for my project but was becoming so disillusioned with the terrible menu template programs If the radio is off this will power up the Raduino and start running whatever sketch was previously loaded. Jan 10, 2017 · One report I received from Mike WA3O who is using an OLED with his Bitx40 is that he is hearing noise generated in the OLED being induced into the Bitx40. 3 of the SI5351 library, and saw a note on the BITX40 Facebook group, that one should link with version 2. This puts it very close, much better than the uncalibrated result, Once you have built this circuit, you are ready to burn a bootloader or burn a sketch to an Atmega328PU or P. The BFO frequency is controlled by the sketch. The chances are in my view that the sketch contains a non-printable character. “sketch”: The c-code that gets compiled to run the Arduio. si5351. 5 to 5 Mhz to cover the 40 meter band. The chip I chose for that design was the lowest cost chip available for the HF frequency range. Dec 08, 2017 · For those not familiar with the project this is *not* a kit, rather like its sibling (the BITX40) it consists of two assembled and tested Circuit Boards. 理由は、BITX40がLowerヘテロダインである事と、si5351aのマルチ出力が生かされて無かったからである。 回路図、スケッチは ダウンロードサイト si5351a TFTフォルダに2種類有ります。 Jan 24, 2015 · Si5351 simple VFO hardware setup I see that there is a need for a simple Si5351 sketch to get hams started using this great little cheap chip. Apr 09, 2017 · I downloaded Ashhar Farhan’s original bitx40 sketch and added one line of code near the bottom of setup(). There is also a freque Jan 30, 2018 · Fantastic BITx40 build from Glenn VK3YY. Sep 23, 2017 · BITX40 QRP Transceiver. First is  I have been having fun with the BitX40 transceiver, lately. After the block diagram is in place then circuits, ICs, or modules can be selected to fill in the blocks. It’s a monoband 40m SSB transceiver capable of 7 watts output. bitx40 sketch

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