I2C, also written as I 2 C, and pronounced I-squared-C, is a method for communicating between devices such as sensors, displays and other peripherals and a microcontroller like the Photon or Electron.

Assume that you are moving towards a complex microcontroller project bundled with blinkers, beepers, and a display panel. To link a standard 16×2 LCD directly with the microcontroller, for instance ...

I wanted a device to communicate light readings to my home automation system. It's easy enough to find a tutorial on wiring a photoresistor to a microcontroller's analog to digital converter and then ...