IIC/I2C adapter PCF8574 LCD 1602 1604 2004 Interface features:
- Based on the PCF8574A chip
- Power: 5V
- Supports I2C Protocol
- A potentiometer for regulate contrast
- Dimensions: 19x42mm
PCF8574 - & gt; the default address 0x20
PCF8574A - & gt; the default address 0x3F
- You can change anyone between 0x20 and 0x27 depending on whether or not you have soldered pins A0 A1 A2
- With this module the communication between the Arduino and the LCD It is only made through two outputs, SDA and SCL
- Up to 8 LCD screens can be connected to the same I2C bus choosing a different address
- Ideal for projects with ARDUINO and Raspberry Pi platforms
- You can use it with PIC, AVR, STM32