I2C - SparkFun Learn
USB-I2C Communications Module
1PCS PCF8574T I/O for I2C Port Interface Support Cascading Extended Module - AliExpress
I2C Shield for Raspberry Pi with Inward Facing I2C Port - NCD Store
1PCS PCF8574T I/O Fr I2C Port Interface Support Cascading Extended Module | eBay
Grove - I2C Hub (6 Port) — Arduino Online Shop
Grove - I2C hub - 6 ports - Seeedstudio 103020272 Botland - Robotic Shop
MCP23008 - i2c 8 input/output port expander : ID 593 : $1.95 : Adafruit Industries, Unique & fun DIY electronics and kits
KeyFob I2C Converter with Dual Serial to 8-Port I2C - NCD Store
Amazon.com: Comimark 3Pcs PCF8574 PCF8574T I2C 8 Bit IO GPIO Expander Module for Arduino & Raspberry Pi : Electronics
I²C - Wikipedia
L'interface I2C des cartes ARDUINO
Amazon.com: XICOOLEE CAT9555 IO Expansion Module Board I2C Interface, SMBus I/O Port, 16 bit Parallel GPIO Expander, with Pre-soldered Header : Electronics
New Product - Grove 6 Slot I2C Hub - SwitchDoc Labs Blog
Using the second (I2C 0) port on a Raspberry Pi
I2C Port Splitter Kit (requires soldering)
1-10PCS PCF8575TS Expansion Board I2C Communication Control 16 IO Port Arduino - DaufuskieIsland.com
Serial Buses — FIRST Robotics Competition documentation
Grove - I2C Hub(6 Port) | Seeed Studio Wiki
China Low Price I O For I2C IIC Port Interface Support Cascading Extended Module - Quotation - GNS COMPONENTS
Pixhawk I2C Port Expand Board with Cable | SATENGINE
I2C Shield for Raspberry Pi 4, Pi 3 & Pi 2 with Outward Facing I2C Port - NCD Store
arduino - Software implementation of I2C bus via port expander - Stack Overflow
Grove I2C Hub (6 Port) - RobotShop
mLink 12Bit I2C Digital Port Expander
