Parameters:
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;
Motor power range: 4.5V ~ 36V;
Control power range: 4.5V ~ 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.