http://wiki.ai-thinker.com/doku.php/utils/esp32_idf_menuconfig
http://wiki.ai-thinker.com/doku.php/modules/esp32_module
http://esp32.info/docs/esp_idf/html/index.html
https://github.com/espressif/esp-idf
http://esp-idf.readthedocs.io/en/latest/
http://bbs.elecfans.com/jishu_949360_1_1.html
http://www.arduino.cn/thread-41132-1-1.html
https://github.com/EspressifApp/IOT-Espressif-Android
https://github.com/espressif/arduino-esp32
https://github.com/pycom/pycom-esp-idf
https://github.com/pycom/pycom-micropython
https://github.com/whitecatboard/Lua-RTOS-ESP32
https://github.com/kriswiner/ESP32 https://www.oshpark.com/shared_projects/sHwYbfxM
https://github.com/micropython/micropython-esp32
https://github.com/morganrallen/esp32-kicad 原理图和元件库
非官方的开发包Espressif ESP32
http://www.programs74.ru https://github.com/CHERTS/esp32-devkit
https://leanpub.com/kolban-ESP32
http://www.espressif.com/en/support/download/overview?keys=&field_type_tid%5B%5D=13
http://esp32.com/viewforum.php?f=13&start=50
https://github.com/igrr/esptool-ck
https://github.com/CCHS-Melbourne/iotuz-esp32-hardware
https://github.com/CCHS-Melbourne/iotuz-esp32-firmware
https://github.com/sparkfun/ESP32_Thing
https://github.com/cesanta/mongoose-os
https://github.com/delongqi/esp32_arduino
https://github.com/nkolban/duktape-esp32
https://github.com/YanMinge/esp_project
https://github.com/Ebiroll/esp32_ultra
https://github.com/Ebiroll/linux_esp32
https://github.com/cmason1978/esp32-examples
https://github.com/chrisfraser/esp32_blink
https://github.com/Ebiroll/esp32_weather
https://github.com/SeeedDocument/ESP32_Breakout_Kit
https://github.com/loboris/Lua-RTOS-ESP32-lobo
https://github.com/VALERE91/ESP32_WiFiHelper
https://github.com/AprilBrother/ESPea32
https://github.com/vowstar/xtensa-toolchain
https://github.com/thingSoC/TSOC_ESP32S
https://github.com/pfalcon/esp-sdk-tools
http://wiki.jackslab.org/ESP32#Xtensa_ISA