PlatformIO howto

List installed platforms

platformio platform list

List available boards

platformio boards

Run specific build

platformio ci --board=megaatmega2560 --lib="." examples/HX711_full_example

Run specific environment

platformio run --environment lopy4

Build all environments

platformio run

"Make clean" for all environments

platformio run -t clean

Dump specific build environment

platformio run --environment lopy4 --target envdump

See slot CPPDEFINES.