Perfect for building Smart Robot Car projects or other DC Motor based projects.
Motor power, control power separation; In the experiment, by short-circuiting block the merger, the VIN and VM short, while power supply to the motor and the control board.
The use of Short circuit module that can simultaneously control board and the electrical power supply
1 x NodeMcu Lua ESP8266 ESP-12E (CP2102)
1 x WiFi Motor Drive Expansion Board