Category Archives: Arduino

Automatic Beam Blocker

A beam blocker (BB), also known as "beam shutter", is a device used to block / unblock a light beam while the source power stays on. In this post, I will present how to implement an extremely cheap and simple Automatic Beam Blocker (ABB) that can be used to block a low power laser beam.… Read More »

How to communicate with Arduino using a command table

There are thousands of examples in the web showing how easy is to communicate with an Arduino board using the serial port. In this post, I would like to go one step forward and show how to communicate using a command table which is a method used by many commercial devices that allow communicating effectively… Read More »