Goto projects/apps/..... Available options: make clean make clean_modules make modules make make flash GOTO: https://github.com/willemwouters/ESP8266/wiki For examples ESP8266, toolchain, sdk's, gdb and example/projects Toolchains: Espressif regular Espressif C++ support Sdk: esp_iot_rtos_sdk-master esp_iot_sdk_v0.9.1 esp_iot_sdk_v0.9.3 esp_iot_sdk_v1.2.0 esp_iot_sdk_v1.3.0 esp_iot_sdk_v1.4.0