I2C to GPIO IO Expander Breaktout Board CH423

I2C to GPIO IO Expander Breaktout Board CH423

$1.30

SKU: MSP1072 Category: Tags: , , ,
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Description

I2C to GPIO IO expander breakout board, you can use it for applications like remote IO expander, digital potentiometer, segment display driver etc

Based on low cost chip CH423. You can replace with similar chips like PCF23017, PCF8574, etc

  • 8 Bidirectional IO  ports IO0-IO7
  • 16 Output-only IO ports: OC0 – OC15
  • 3-5V power supply, compatible I2C interface

More chip features please see the chip page here.

C code library please find on chip page or in our github repository.

Additional information

Weight 0.015 kg

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