This examples uses: 1. PCF8574T I2C Interface 8-bit I/O expander The PCF8574/74A provides general-purpose remote I/O expansion via the two-wire bidirectional I2C bus (serial clock (SCL), serial data ...

SparkFun_u-blox_GNSS_Arduino_Library: a GNSS, by using the example sketch Example3_GetPosition Adafruit PN532: a RFID, with the sketch readMifareClassic The tests have been performed with the core ...

This articles describes how you can use I2C (TWI) communication, Arduino and temperature sensors to measure 3 different temperatures. It can be very helpful when you want to measure the outside, ...

In this tutorial we will use I2C communication between two arduino boards and send (0 to 127) values to each other by using potentiometer.

The Arduino IDE 2.0 is the new official IDE for sketch development, the 1.8 versions are from now on legacy. What does it offer to justify switching over?

The new Arduino IDE 1.6.2 features a one click install of boards and libraries and now includes two new menu items in the form of “Sketch > Include Library ...

Being only ten at the time I was unable to build the thing and, now that I’m 40, I still can’t fathom how to build this DIY CNC plotter out of a DVD player and some Arduino gear.