In this quick Arduino tutorial I will explain how you can control a relay using the Arduino Board ... This voltage is used to drive the transistor that will switch ON the relay and the load (in our ...

This pneumatic cannon goes above and beyond any air-powered rifle we’ve seen with an Arduino that is able to switch between automatic ... and a rate of fire control. The mechanics of [smirpab ...

Here we’re controlling a laser ... and the VRy pin directly to Arduino A1. Again, the SW switch connection is not used in this project. What do you think so far? Post a comment.