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Typical problem with 386 chip. Just put a resistor 1-10K in series with volume pot center pin. 386 chip does not like the input brought low to ground. Mine used to mumble and groan! Raj

Neil, At 5v, it starts complaining of low voltage. The raspberry pis i have used have done well at 5.5v. I have also noted that the official power supply provides 5.4 volts. - f

Farhan Why 5.4V ???? Official Raspberry Pi 4 says 5.1V supply voltage. My sBitx RPI4 died yesterday!! No boot and constant green light I measured the voltage from LM338, it was 5.42V, de oz9ny, niels

I swear I had sent an email on this an hour ago... Anyway, I replaced replaced the LM338 with a switching regulator. This one was very inexpensive, less than a dollar. It is also very efficient and

You could add it to the sbitx wiki on github.com/afarhan/sbitx

Ashhar - I will not use the touch screen feature.? I have the official keyboard/mouse combo for my Pi, and that is what I will use.? i may use the mouse as a pointer to the on-screen keyboard for

Thank you for making that available. It clearly shows what needs to be done, and what DOESN'T. The video shows Ashhar soldering the black and brown wires to the pins on the display. That's not

I don't own a 3D printer either. You could have JLPCB make the PTO form. I ordered 4 of them including slowmo shipping for $8.65. -- Jerry, AC9NM 手中的鳥在灌木叢中值兩個

https://ae01.alicdn.com/kf/He1eefdbd842d410295c1c980ba05446d7.jpg

No 3D printer -some other suitable "former" could be repurposed - maybe an empty sewing thread spool would work - the inner diameter is about 1/4" and you could glue a nut to one end -

1. Increasingly, a vertical spectrum and waterfall display makes sense to me. We can stream the text being decoded against each frequency. Much like the CW skimmer et al. 2. The on-display keyboard.

Roger on quoting line numbers, and I definitely agree on pull requests. I’ve actually never done a pull request on another developer's project, however I just did one now for you. Hopefully I got it

Stephen, 1. Switch to 2.5 KHz spacing in the spectrum, 2. reduce the bandwidth so that the signal is centered in the gray area. 3. Select the PITCH control and with the function knob move the red line

I must add a warning to the assembly manual. It was created when we were shipping just the boards. The assembly video for the basic kit is here: https://youtu.be/ucpnvkGhoc8 It is unfortunately in

Anthony, I will try out your changes. It would be best if you also quoted the line number. Are you comfortable using github? If made a pull request, I could instantly try out your changes. I will this

I’ve been pouring through the code and I’ve done something which appears to have improved manual CW sending. It also seems to make the upper encoder more responsive and less prone to

The assembly instructions on the HFSignals site are for a disassembled sBitx. But what they are shipping now is the basic kit -- a mostly assembled radio that lacks the display and the Raspberry Pi.

Ulf, Did you find uBitX Manager version 1.110?? It is hidden away on KD8CEC's site in the 1.2 Release area. It is pretty neat as it will use your call sign to retrieve all your backups and let you

I need to compare experiences with anyone else trying PSK31 on their sBITX. Today, I received my new sBITX kit, S/N #52. After connecting everything and running an update, I can see psk31 signals on

I would attempt to use my Arduino keyer, however when I switch over to straight key mode I still notice the delay, so an outboard keyer won’t help. I reniced the sbitx process several times, and