Mô Đun Arduino 1602 LCD IIC/I2C Màn Hình Màu Xanh

Product parameters: Size: 41.5mm (length) * 19mm (width) * 15.3mm (height) PCB color: black Supply voltage: 2.5V-6V Supports I2C protocol With backlight, you can set whether to have backlight through jumper cap. Plug in the jumper cap to bring the backlight, remove the jumper cap to cancel the backlight; Contrast can be adjusted by the blue potentiometer, clockwise to increase, counterclockwise to decrease. The potentiometer is designed on the front, which is easy for customers to adjust freely; Device address: it can be modified with short circuit A0/A1/A2, and the default address can be detected by the program.Address modification instructions: (take default address 0x27 as an example) A0 , A1, and A2 are all floating, and the device address is 0x27Short circuit A0, the device address is 0x26Short circuit A1, the device address is 0x25Short circuit A2, the device address is 0x23A0, A1, and A2 are all shortcuts, and the device address is 0x20Wiring instructions: GND: negative system power supplyVCC: positive system power supplySDA: IIC data cableSCL: IIC clock line