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PCF8574 IO Expansion i2c relay board -DO8 arduino demo code

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PCF8574 IO Expansion i2c relay board -DO8 arduino demo code
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#3
10-30-2024, 11:36 PM
make sure your arduino device have set correct i2c bus pins, check with SDA and SCL pin define.
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RE: PCF8574 IO Expansion i2c relay board -DO8 arduino demo code - by admin - 10-30-2024, 11:36 PM

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