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An I2C adapter for 1604 (16x4 character) LCD screens is a small interface board using a PCF8574 chip. It cuts down the wires needed from 10 or more down to just 4. It works with 5V power and connects via two data lines (SDA and SCL).Main FeaturesUses only two microcontroller pins for data communica..

Description2004 204 20X4 Character LCD Display Module Blue Backlight.Condition: brand newBlue backlightFully assembled and tested Serial LCD 20x4 ModuleDisplay Format: 20 Characters x 4 linesSupply voltage: 5VThe module can be easily interfaced with a MCUThe module is a low-power consumption charac..