Compare to the original version, it has two differences: the on board CP2102 is replaced by CH340, and also the board size is larger. However the board is more cheaper.
- Based on ESP-12E ESP8266 wifi board
- All I/Os output
- No need to press reset/flash for pgoramming
- Open source support: www.nodemcu.com
- Notice the board is larger, not breadboard friendly!
Documentation please visit nodemcu.com or our this wiki page.