secondchancesailor, There is not too much on the Raduino board. The regulator would seem to be working as the Nextion powers up. That leaves some resistors, capacitors, and the Si5351a chip. The Si535

SecondChanceSailor, Going on the picture, it looks like the Nano has stopped communicating with the Nextion. Based on the follow-up messages, the Nano is the most likely culprit, especially if it will

Zvika, I thought that the audio tone used was the one you selected so that you would not interfere with another signal. If that is the case then you can still use the same concept, just note the tone

DJ, You are welcome, though not sure why 875 adjusted by more than 1Hz. I will have to go back and look at the code again. 5Hz error is really good in my book. 73 Evan AC9TU

SM6MOJ, Since you have the correct hex file loaded, and connecting an antenna does not increase the background noise, then you have one of the receiver's stages not functioning properly. This points t

Justin, The tft file that you found is one that does not use the full screen. Finding the correct tft file is a challenge. Try this message to see if it meets your needs: https://groups.io/g/BITX20/me

#ubitxv6

Dj, The FT8 frequency on the µBIKTX is a function of both the Master Calibration and the BFO tuning. Either can change the displayed frequency on the FT8 software. The way that I would do the calibrat

SM6MOJ, I would first verify that you do get a difference in background noise between the antenna connected and not connected. That would be a quick check on the amplifiers working. I suspect that you

Scott, The v3 to v5 ubitx used a similar connector and two separate insulated wires. I would use what you have pictured, just twisting them in a twisted pair. 73 Evan AC9TU

Elia, The v5 ubitx also has the 11.059MHz SSB filter. That was one of the changes from the v4. Here is a link to a v6 conversion on ubitx.net: http://ubitx.net/2020/01/06/a-v6-nextion-display-conversi

I should have stated that there are both v4 and earlier and v5 and later compiled hex files versions. These are easiest to load with the Xloader program. The zip file has the compiled versions in to s

Elia, Here is a link to the latest version of the KD8CEC https://github.com/phdlee/ubitx/releases/tag/v1.20 There are both compiled code as well as the source. In the source there are #define switches

Yes, the calibration values are stored in the Nano, however, they are actually settings based on the Raduino and Mainboard. No, these will only work if you remove the header pins and place them on the

Sorry, I did not answer that question. The KD8CEC software will NOT work with the stock v6 graphic display. It does work with the older v5 and previous stock 1602 displays. You have to load in differe

Gamaliel, The current version for the KD8CEC firmware is 1.2. For the v6 µBITX you need to use one of the hex files in the uBITXV5 folder that can be downloaded and found in the zip file here: https:/

Larry, The SSB filter is one of the things on the mainboard that limits what the BFO frequency can be. Just changing the Raduino will not change the SSB filter, so the base v6 code from HFSignals will

Bruce, Here is the link to the material that references the second Nano. http://www.hamskey.com/2018/07/standalone-signal-analyzer-i2c-type_29.html In that post, he does provide the link to the softwa

It is the original power connection point. The v3 to v5 boards had separate power connections for the PA Finals (the IRF510) than the rest of the board. The original thought was to allow for a separat

Changes would be things like calibration or mike replacement.

Dave, That is correct, point 6 is the original antenna connection for the radios pre v6. It was kept on the v6 board. HFSignals has been really good about backward compatibility. 73 Evan AC9TU