NOYITO PCF8575 I O Extension Shield Module I2C IIC Communication Control 16 I O Ports sold2024 hospitals and office buildings

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NOYITO PCF8575 I O Extension Shield Module I2C IIC Communication Control 16 I O Ports sold2024 hospitals and office buildingsNOYITO PCF8575 I O Extension Shield Module I2C IIC Communication Control 16 I O Ports Description Description 1. PCF8575 I O Extension Shield Module 2. Size: 25mm x 25mm 3. Not solder pin 4. If your IO port is not enough, then you can use the PCF8575 expansion board to expand more IO port. 5. Two lines, SDA, SCL can achieve 16 IO port input and output control, the use of very simple. I2C signal can be simulated by software, some comes with I2C