MCP23008 MCP23017 24-Channel Digital Input/Output with I2C Interface - store.ncd.io
PCF8574 PCF8574T I/O For I2C IIC Port Interface Support Cascading Extended Module For Arduino Expansion Board High Low Level|interface i2c|interface modulec c - AliExpress
How To Use A MCP23017 I2C Port Expander With The Raspberry Pi - Part 1 - Raspberry Pi Spy
USB-I2C Communications Module
Amazon.com: AITRIP 10pcs PCF8574 IO Expansion Board I/O Expander I2C-Bus Evaluation Development Module for Arduino & Raspberry Pi : Industrial & Scientific
ESP8266: I2C PORT and Address Scanner : 8 Steps - Instructables
Serial Buses — FIRST Robotics Competition documentation
L'interface I2C des cartes ARDUINO
Grove - I2C Hub(6 Port) - Seeed Wiki
Using the second (I2C 0) port on a Raspberry Pi - YouTube
Amazon.com: Grove I2C Hub - 6 Port with Grove Cable : Electronics
PCF8574 I2C I/O Expansion Module - ProtoSupplies
RS232 to I2C Click
I²C - Wikipedia
![Nettigo: PCF8574 Module - 8-bit I/O Expander for I2C Bus [Yā nǔ shén]](https://nettigo.eu/system/images/2080/original.jpg?1488806860 "Nettigo: PCF8574 Module - 8-bit I/O Expander for I2C Bus [Yā nǔ shén]")
Nettigo: PCF8574 Module - 8-bit I/O Expander for I2C Bus [Yā nǔ shén]
5Pcs PCF8574T Extended I/O I2C Port Interface Module For Cascade | eBay
Keypad and I2C Port Expander - Arduino Projects T
AK-PCF8575 – I2C 16-bit IO Expander Breakout | Artekit Labs
I2C Bus Port Numbers for Labels on PX4 Autopilots - MATLAB & Simulink
Simple DIY Dual port I2C level shift shield for Arduino Due - Hackster.io
Example: I2C using SC126 and PCF8574 | Small Computer Central
arduino - Software implementation of I2C bus via port expander - Stack Overflow
