Adapter Plate for Arduino uno r3 mega2560

1. Size: 41.5mm (length) * 19mm (width) * 15.3mm (H)

2. Weight: 5g

3.PCB color: black

4. Supply voltage: 2.5-6V

5. I2C protocol support

6. Power control with backlight can be set via jumper. The backlight power supply is connected. Connect the jumper to connect the backlight, then turn off the jumper to turn off the backlight power supply.

7. You can adjust the contrast by turning the blue potentiometer clockwise to strengthen and counterclockwise to weaken. The potentiometer is designed on the front and provides customer convenience to freely adjust it anytime and anywhere.

8. Modules can be cascaded up to 8 levels. /A1/A2 modify the device address through short-circuit A0. The default address is 0x27.