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I2C 16×2 Character LCD Module
- 16x2 display with blue backlight
- Contrast need needs to be adjust adjusted using a screw-driver
- Uses I2C protocol
- 4 connections
- SDA – SDA pin of Arduino
- SCL – SCL pin of Arduino
- VCC – 5V of Arduino
- GND – GND of Arduino
- Some modules may use a different address – use the I2Scanner program can find out
- Can be connected in parallel to the DS3232 RTC and be operated simultaneously (the two are distinguished by their addresses)
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