You’ve obviously heard of the Arduino boards and how they’ve revolutionised hobby electronics. Here’s a little primer to get you started.

This tutorial will guide you through the process of building a tachometer around an Arduino. Tachometers are used to measure rotation rate in Revolutions Per Minute (RPM). You don’t need much… ...

This will attract users to post their content online versus other sites like Instructables because tutorials posted on Arduino measure the click-through purchases and reward the original curators.