Features

• ESP12 DEV KIT development board expansion module;
• lead ESP12 DEV KIT all the features of pins: SPI, UART, GPIO, AI and 3.3V power connector;
• extend two-way motor-driven, two-way direct drive motor;
• onboard power switch;
• L293D
• Motor power, control power separation; In the experiment, a short circuit can block the merger, shorted to VIN and VM, while power supply to the motor and the control board.

Specification

• Motor Power Range: 4.5V ~ 36V;
• control supply range: 4.5V ~ 9V
• Logical operating current Iss: ?60mA (Vi = L), ?22mA (Vi = H);
• Driving part of the work current Io: ?1.2A;
• Maximum power dissipation: 4W (T = 90 ?)
• Control signal input level: High: 2.3V?VIH?VIN; Low: -0.3V?VIL?1.5V
• Operating temperature: -25 ? ~ + 125 ?
• Drive Type: Dual high-power H-bridge driver
• ESP12E Dev Kit Control Port: D1, D3 (A motor); D2, D4 (B motor)

Package list

• L293D Motor Driven Expansion Board for NodeMcu Lua Wifi Board x 1

Wiki & External links