Arduino io ref - Arduino - Open Source Products for - hacksterio
Log 6 analog and 8 digital pins from Arduino Uno simultaneously in Excel. Find this and other hardware projects on Hackster. io.
This project brings support for ESP8266 chip to the Arduino environment. It lets you write sketches using familiar Arduino functions and libraries, and run them.
The Arduino Expansion Board includes several jumper headers to configure the board with different settings like IO voltage levels, Intel Edison kit for Arduino
This is an excerpt from Arduino Workshop by John Boxall. create a simple stopwatch using an Arduino. IO REF SCL SDA RST