![Adding an MCP23017 16 port IO expander to Arduino or Esp8266 or Attiny85 or…….. – Arduino, ESP8266, ESP32 & Raspberry Pi stuff Adding an MCP23017 16 port IO expander to Arduino or Esp8266 or Attiny85 or…….. – Arduino, ESP8266, ESP32 & Raspberry Pi stuff](https://arduinodiy.files.wordpress.com/2017/03/mcp230172.jpg)
Adding an MCP23017 16 port IO expander to Arduino or Esp8266 or Attiny85 or…….. – Arduino, ESP8266, ESP32 & Raspberry Pi stuff
![Amazon.com: CQRobot Ocean: MCP23017 IO Expansion Board Compatible with Raspberry Pi/Micro:bit/Arduino/STM32 Motherboard. I2C Interface, Expands 16 I/O Pins, Up to 8 Expansion Boards Can be Used Simultaneously. : Electronics Amazon.com: CQRobot Ocean: MCP23017 IO Expansion Board Compatible with Raspberry Pi/Micro:bit/Arduino/STM32 Motherboard. I2C Interface, Expands 16 I/O Pins, Up to 8 Expansion Boards Can be Used Simultaneously. : Electronics](https://images-na.ssl-images-amazon.com/images/I/81LF5fUXHLL._AC_UL210_SR210,210_.jpg)
Amazon.com: CQRobot Ocean: MCP23017 IO Expansion Board Compatible with Raspberry Pi/Micro:bit/Arduino/STM32 Motherboard. I2C Interface, Expands 16 I/O Pins, Up to 8 Expansion Boards Can be Used Simultaneously. : Electronics
![MCP230xx IO Expander | Character LCD with Raspberry Pi or BeagleBone Black | Adafruit Learning System MCP230xx IO Expander | Character LCD with Raspberry Pi or BeagleBone Black | Adafruit Learning System](https://cdn-learn.adafruit.com/assets/assets/000/018/263/medium800/raspberry_pi_RaspberryPiRGB_MCP_bb.png?1405985057)
MCP230xx IO Expander | Character LCD with Raspberry Pi or BeagleBone Black | Adafruit Learning System
![Moje boje z programowaniem i elektroniką: Raspberry PI i dodatkowe piny GPIO na kilku układach mcp23017 oraz przełącznik na tranzystorze Moje boje z programowaniem i elektroniką: Raspberry PI i dodatkowe piny GPIO na kilku układach mcp23017 oraz przełącznik na tranzystorze](https://4.bp.blogspot.com/-xpybMo2SGAA/WGOuVVQ84tI/AAAAAAABERo/2bS_P6nDcSswTe2lvp97itRpy6YXK4kQACLcB/s1600/mcpx2_bb.png)
Moje boje z programowaniem i elektroniką: Raspberry PI i dodatkowe piny GPIO na kilku układach mcp23017 oraz przełącznik na tranzystorze
![gpio - rPi model B + MCP23017 + relay board. GPA0 pin low output not close enough to 0v to trigger relay - Raspberry Pi Stack Exchange gpio - rPi model B + MCP23017 + relay board. GPA0 pin low output not close enough to 0v to trigger relay - Raspberry Pi Stack Exchange](https://i.stack.imgur.com/AFQYU.jpg)