mohdrais

Hello everybody, I got problem when reading holding register. I tried to read the problems but i dont understand. I am using modbus rs485 (max485 TTL) to read the holding...

I am very sorry folks. Maybe I made a mistake, that is after exchanging the connection from TX outlet from the RS3485 TTL to GPIO 2 and RX to GPIO...

Yes, all the folders mentioned (eg cmake, python etc) are installed. Pico-Developer Command Prompt does work as shown in the picture previously  but Pico- DeveloperShell does not work