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    I2C LCD Adapter Extended Board for 1602 2004 LCD IIC I2C Interface Compatible with for Arduino Raspberry Pi ESP32 STM

    • I2C LCD Adapter: Support IIC I2C Interface Two lines (SDA and SCL) can control LCDs. The traditional LCD connection method needs to occupy more pins
    • Supply voltage: 2.5-6V
    • Control with backlight power: Plug in the jump cap to connect the backlight power supply, and unplug the jump cap to disconnect the backlight power supply
    • Adjustable contrast: rotate the blue potentiometer, increase clockwise, weaken counterclockwise
    • Module can be counted: 8 can be couplet. Modify the device address by short -circuit A0/A1/A2. The default address is 0x27
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    I2C LCD Adapter Extended Board for 1602 2004 LCD IIC I2C Interface Compatible with for Arduino Raspberry Pi ESP32 STM

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