[platformio] ; add here your board, e.g. nodemcuv2, d1_mini, d1_mini_pro env_default = d1_mini [common] platform = espressif8266 [common] platform_def = espressif8266 platform_180 = espressif8266@1.8.0 platform = ${common.platform_def} ;platform = ${common.platform_180} flash_mode = dout ; for production build_flags = -Os -w ; for debug ; build_flags = -g -Wall -Wextra -Werror -Wno-missing-field-initializers -Wno-unused-parameter -Wno-unused-variable -DCRASH wifi_settings = ; hard code if you prefer. Recommendation is to set from within the app when in Serial or AP mode ;wifi_settings = '-DWIFI_SSID="XXXX"' '-DWIFI_PASSWORD="XXXX"' lib_deps = CRC32 CircularBuffer JustWifi AsyncMqttClient ArduinoJson OneWire EEPROM_rotate [env:d1_mini] board = d1_mini platform = ${common.platform} framework = arduino lib_deps = ${common.lib_deps} build_flags = ${common.build_flags} ${common.wifi_settings} board_build.flash_mode = ${common.flash_mode} upload_speed = 921600 monitor_speed = 115200 ; for OTA comment out these sections ;upload_protocol = espota ;upload_port = ems-esp.local ;upload_port =