1.Have good brush the latest firmware , on the computer can be used
2.ESP8266 all IO mouth lead, direct download without having to reset
3. All open source hardware and software
2.Please note this has a pin spacing of 28MM between the rows unlike the unit made by DOIT witch is 23 MM
3.This is compatible with the LOLIN NodeMCU not the DOIT device
Tips: choose the same channel, and will pay less freight.