The LCD1602 adapter the for Arduino IIC/I2C interface board with LCD screen
FOR Arduino control panel IO port is only 20, and add some sensors, the SD card, relay modules more is not enough, IO ports,
the original 1602 screen seven IO ports to drive up, we have developed this module can save you five IO ports, we send for arduino library
Supply voltage: +5 V
2. supports the I2C protocol
. backlight and contrast adjustment potentiometer
4.4 line output easier.
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