ESP8266 NodeMCU V3 Lua WIFI module + memory 32M Flash + USB-serial CH340G

Main Features: 1.Voice control:once you have this switch,you can connect it with Amazon  Alexa(Amazon echo/dot/tap) or Google Assistant for voice

Features: Made of high quality, solid, durable and good performance, long service life. It takes only 3 seconds to read

1. Support the full range of STM32 SWD interface debugging, simple interface (including power supply), 4 line speed, stable work;