Specifications

Based on ESP-12E development kit, it can facilitate the development of WiFi Smart car, free to send Android phone source.
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;
Control power range: 4.5V ~ 9V;
Motor power range: 4.5V ~ 36V;
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.
Precautions
When l insert ESP-12E module, please note the direction consistent with an expansion board antenna;
use of short modules that can simultaneously control board and motor.