Product discription :4-channel relay output modules, relay output contacts AC125V/15A, AC250V/10AInput IN1, IN2, IN3, IN4, the signal line LOW effectiveVCC, GND power input, can relay a separate power..
Main Featuresu25cf 1700R Center CurvatureThree-dimensional surround, edge loss is reduced, picture integrity is guaranteed, reducing reflection light source interference, with no flash screen technolo..
This module takes esp8266-01 / esp-01s as the main control, and DHT11 as the temperature and humidity sensor. The temperature and humidity in the collecting environment of ESP8266 were uploaded to the..
The backlight and contrast is adjusted by potentiometer.Come with 2 IIC interface, which can be connected by Dupont Line or IIC dedicated cable.Compatible for 1602 LCD.This is another great IIC/I2C/TW..