[env:esp32doit-devkit-v1] platform = espressif32 board = esp32doit-devkit-v1 framework = arduino build_flags = -DPIO_FRAMEWORK_ARDUINO_LWIP2_LOW_MEMORY board_build.partitions = defaultWithSmallerSpiffs.csv extra_configs = custom_platformio.ini ; the latest development brankitchen-lightch (convention V3.0.x) lib_deps = ArduinoJson@6.16.1 https://github.com/homieiot/homie-esp8266.git#v3.0 OneWire DallasTemperature ; add additional parameter, like the upload port upload_port=/dev/ttyUSB1