L293D Motor Driver Board for ESP8266 WiFi NodeMcu with NodeMcu esp8266

ESP12 DEV KIT development board expansion module
lead ESP12 DEV KIT All-function pins: SPI, UART, GPIO, AI and 3.3V power connector
expand two-way motor-driven, two-way direct drive motor
onboard power switch
L293D
Motor power range:4.5V to 36V
Control power range:4.5V to 9V
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.