![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
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PCF8575 Modul Expansion IO port Expander board DC 2,5 5,5 V I2C kommunikation control 16 IO ports Für Arduino|Integrierte Schaltkreise| - AliExpress
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OPEN SMART PCF8575 IO Expander Modul I2C zu 16IO I2C zu 16 bit IO expansion breakout board für Arduino|module i2c|module for arduinomodule diy - AliExpress
![MCP23008 - i2c 8 input/output port expander : ID 593 : $1.95 : Adafruit Industries, Unique & fun DIY electronics and kits MCP23008 - i2c 8 input/output port expander : ID 593 : $1.95 : Adafruit Industries, Unique & fun DIY electronics and kits](https://cdn-shop.adafruit.com/970x728/593-01.jpg)
MCP23008 - i2c 8 input/output port expander : ID 593 : $1.95 : Adafruit Industries, Unique & fun DIY electronics and kits
![PCF8575 Modul Expansion IO port Expander board DC 2,5 5,5 V I2C kommunikation control 16 IO ports Für Arduino|Integrierte Schaltkreise| - AliExpress PCF8575 Modul Expansion IO port Expander board DC 2,5 5,5 V I2C kommunikation control 16 IO ports Für Arduino|Integrierte Schaltkreise| - AliExpress](https://ae01.alicdn.com/kf/Hba0eaf1d4f934b269e72907973d091f4m/PCF8575-Modul-Expansion-IO-port-Expander-board-DC-2-5-5-5-V-I2C-kommunikation-control.jpg_Q90.jpg_.webp)