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Free shipping! NEW IIC/I2C/TWI Serial Interface Board Module Port for Arduino 1602 2004 LCD

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1602 I2C interface / 4 wire screen 1602 
IIC/I2C Interface adapter plate LCD1602, excluding LCD screen 
Dashboard IO port is only 20, plus some sensor, SD card, relay modules, IO port is not enough, 
The original 1602 screen requires seven IO ports can drive up, we have developed this module can help you save five IO ports. 
Product parameters: 
A supply voltage:. +5 V 
2 supports I2C protocol 
3 with backlight and contrast adjustment potentiometer 
4.4 line output easier 
5 device address:. 0x27

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