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20×4 LCD + I2C Adapter Module
20×4 2004A Blue Screen HD44780 for Arduino DIY KIT Character LCD /w IIC/I2C Serial Interface Adapter Module
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Features IIC/I2C :
1602 I2C interface 4-wire 1602 screen
IO port of control board is only 20,so IO ports is not enough for many sensor, SD card, relay modules.
The original 1602 screen need 7 IO ports to drive up, and this module can save 5 IO ports
1pcs 2004 Character LCD
1pcs IIC/I2C Serial Interface Adapter Module
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