Features:
High performance-price ratio
Small volume, easily embeded to other products
Supporting Lua program, easily to develop
Reference links of ESP32 at below:
https: //github
. com/espressif/arduino-esp32 https: //github
. com/Nicholas3388/LuaNode https: //github. com/nodemcu/nodemcu-firmware/tree/dev-esp32
Tips: When you download the program to ESP32, you need to press the IOO button for 1-2 seconds.
Package included: 4 X ESP-WROOM-32 ESP-32S development board