How to make baofeng programming cable with raspberry pi pico

Using Arduino IDE 1.x
1

I want to use raspberry pi pico to program the baofeng uv 5r can i use raspberry pi pico as ch340 conventer??

2

Sure.

3

Hi @oleek. You will need to upload a sketch to the Raspberry Pi Pico board that will program it to pass the data from the PC received via the USB connection between the Pico and the computer through to the hardware serial TX ("transmit") pin on the Pico, and the data from the BaoFeng UV-5R received from UV-5R via the connection between the Pico and the UV-5R on the hardware serial RX ("receive") pin on the Pico.

You can find a tutorial and sketch about using a board in this "passthrough" application here:

The tutorial is for the Mega board, but the concept is essentially the same for the Pico and the sketch from the tutorial can be used.

4

??? And this will show in a COM port this radio is programmed by a program chirp and i need to download from radio and upload info to radio

5

Do you have a cable to connect the pi to your Baofeng?

6

yes, i have cable

7

Good! I read your thread title was a question about how to make the cable.

8

But i want how o make the serial to the cable

9

See post #3.

10

and this sketch will work with chirp?

11

i have the error radio did not respond

12

The Boafeng radio is prgrammed through the audio ports. It's not just a straight serial connection. I think it sends tones. I've never really taken one apart to try to find out.

What's the point of the pi in all of this? If you have the cable then connect the cable to the computer that's running chirp and program your radio. I don't understand what purpose you expect the Pi to serve.

What's your radio callisign?

14

Do you expect perfection without having to do some debugging work?

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