I’m trying to upload a program to an arduino nano copy, in the Arduino IDE I have to select Processor: ATmega328 to upload successfully. This is my platrom.ini file: [platformio] default_envs = nanoatmega328new [env:nanoatmega328new] platform = atmelavr board = nanoatmega328new framework = arduin…

Does your Nano have a CH340 chip as serial converter? Then I’d recommend you install the latest driver from the vendor CH341SER.EXE - 南京沁恒微电子股份有限公司 (blue download button). And your Arduino Nano has a Atmega328 chip on it and not a 168 one? You could also try to use different bootloader baud rates,…

PlatformIO Community

Can't upload to Arduino Nano copy

PlatformIO IDE

alatas March 20, 2022, 9:29pm 11

upload_speed = 115200 solved my problem. thanks!