LCD PCF8574 i2c and spi Bus Interface
Contents:
- Texas Instruments Datasheet
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IIC/I2C/TWI/SPI Serial Interface Board Module Arduino 1602 2004 LCD
This is I2C, TWI, SPI Serial Interface. Saves limited pin resources.
- I2C Address Range: 0X20~0X27
- Default Address: 0X20
- Address Selection: Solder pads A0,A1,A2
- Supply voltage: 5V
- LCD Backlight and Contrast: Adjusted by potentiometer
- Compatiblity: 1602 LCD, 2004 LCD
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Texas Instruments Datasheet
PCF8574 Remote 8-Bit I/O Expander for I2C Bus:
http://www.ti.com/lit/ds/symlink/pcf8574.pdf
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Glenn Lyons VK4PK
glenn@LyonsComputer.com.au
Ver:gnl20190503 - pre published v0.9