
NodeMcu ESP8266-12 CP2102 Based Motor Driver
PRODUCT DETAILS
ESP12E Motor Shield is a high-current motor drive module compatible with ESP12E Dev Kit and . The module is designed with a plug-in board and can be directly connected to the ESP12E Dev Kit or NodeMCU Lua module.
The module adopts the excellent high-power motor dedicated full-bridge chip L293D produced by STMicroelectronics. It can directly drive 2 DC motors or 1 stepping motor, and the driving current can reach 1.2A. The layout of the circuit diagram is reasonable, the package is packaged and the installation is very convenient.
The module uses the IO port of the ESP12E Dev Kit as the control port, and the internal logic chip completes the motor IC drive. Therefore, it only occupies four ports of the control boards D1, D2, D3, and D4, which are respectively used as PWMA (motor A speed) and PWMB (motor B). Speed), DA (Motor A direction), DB (Motor B direction) function.
The module also draws multiple pins such as VIN, 3.3V, DIO, AIO, SDIO, UART, SPI, RST, EN, etc., which can be easily connected to various sensors (temperature and humidity, buzzer, illumination, relay, etc.)
SPECIFICATIONS
Using ESP-12 DEV KIT development shield module
Extend the output ports for ESP-12 DEV KIT: SPI, UART, GPIO, AI and 3.3V power interface
Extend 2-ways motor, then can directly drive2-ways motor
Design a power switch
Voltage for motor: 4.5V-36V
Voltage for ESP control board: 4.5V-9V
Driven chip: L293D
Disparate the power of ESP board and motor for avoiding the interference.


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