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PCF8575 IO Expander Module I2C To 16IO Integrated Circuits For Arduino

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1-50PCS PCF8574 I2C 8-Channel GPIO Expander Module - 8-Bit I/O Extender For Arduino ESP32

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1-50PCS PCF8574 I2C 8-Channel GPIO Expander Module - 8-Bit I/O Extender For Arduino ESP32

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PCF8575 IO Expander Module I2C To 16IO Integrated Circuits For Arduino

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PCF8574T I2C IO Expander Module - Cascading Interface Board For Arduino/Raspberry Pi

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MCP23017 IO Expander Board, I2C Interface 16 GPIO Pins - Compatible With Raspberry Pi, Arduino, STM32 For Easy IO Port Expansion

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MCP23017 IO Expander Board, I2C Interface 16 GPIO Pins - Compatible With Raspberry Pi, Arduino, STM32 For Easy IO Port Expansion

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PCF8575 IO Expander Module I2C To 16IO Integrated Circuits For Arduino

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arduino.cc

Arduino and the MCP23S08 SPI I/O expander

Hi... Just for the record I've been looking into how to get the Arduino to interface with the MCP23S08 "8-Bit I/O Expander with SPI Interface" IC from Microchip. I have successfully used it for both input and output but haven't tried the interrupt functionality. The code's very rough and details are very much in note form but it might be ...

Oct 15, 2007

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