LCD1602 Screen Digital Input Output Expansion Board IIC/I2C New,1602 Green Welding I2C NO5098

Features:

1. Use 2 lines of 16-character LCD, with contrast adjustment and back-light.

2. Use 1 analog port to complete the input of 5 keys.

3. 1 reset button, the unused IO port are expanded to standby, make full use of IO port. 

4. Digital ports: PIN4 (DB4), 5 (DB5), 6 (DB6), 7 (DB7), 8 (RS), 9 (E), 10 (back-light control), analog key port A0.

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