Arduino I2C Port Expander This is a library to turn any Arduino compatible microcontroller into the ultimate I2C port expander. Now with ATtiny support.

With the Arduino IDE closed, download or clone this repository and place it in the libraries folder. Open up Arduino and go to File > Examples > Arduino I2C Port Expander > Slave I2C Port Expander.

It provides general-purpose remote I/O expansion for most microcontroller families via the I2C interface [serial clock (SCL), serial data (SDA)]. The TCA9554A consists of one 8-bit Configuration ...

Step-by-step guide on designing and programming a custom I2C slave sensor device using Arduino. Who Won and Lost in Trump’s Tax Bill Scientists tracking ‘interstellar’ object that has come ...

Diodes Incorporated announced the PI4IOE5V6416 16-bit I/O expander, which enables any digital device to be accessed and controlled over an I2C interface, ...