Fred Hansen

Digital I/O Primer

In this issue we take a look at digital I/O. If you are interested in getting involved with electronics, this is certainly a good place to begin. If you are an experienced electronics hobbyist, it is still worth some time to gain an understanding of how digital I/O...

A2D – Temp Sensors

In the last issue we took a general look at Analog to Digital boards and an example project building an inexpensive multiple input switch. In this issue we will continue our review of A2D boards by looking at connecting temperature sensors and dealing with the...

Analog to Digital

As a hobbyist, I’m inclined to find some cool piece of hardware, buy it, and then try and figure out what it’s good for later. True once again with my Analog to Digital (A2D) board. It just has to be useful – its so much fun to play with. Over the...