Reviews

The Pi Cap adds capacitive touch buttons to your Raspberry Pi. Bare Conductive was kind enough to send me one. I do not have a project in mind right now, so here are my first …

Previously, I reviewed the smartphone DMM, Mooshimeter. It is a great meter. One feature I didn’t spend much time on in my review was the ability to graph. Some see it as an …

For fifteen years I used my Radio Shack 22-168A digital multimeter as my go-to meter. A couple of years ago I bought a Fluke 115. Not because the RS meter lacked a measurement, but …

When it comes to Kickstarters, I have been relatively lucky. Most of the projects I back have shipped, even if years after I forgot. However, few Kickstarters are something I use …

This past weekend Arduino fans celebrated Arduino and Genuino Day 2016. In classrooms, maker spaces, and impromptu meet-ups around the world enginerds got together to learn and …

Reading a blog post like this one is something we all do multiple times a day. As early as 20 years ago, such a concept was still entirely unknown to the rest of the world. Walter …

The Martian by Andy Weir is an engineer’s dream story. The story opens with Mark Watney being stranded on Mars after an accident occurs. The book is a collection of his daily logs …

A couple of weeks ago I was invited to join The Engineering Commons podcast to talk about capacitors on episode 93. I had been a listener of the podcast because I heard about it in …

When you need to buffer the output of an R-2R ladder or an RC filtered PWM signal, an op-amp is a single chip option. Unlike a discrete NPN transistor like a 2n3904, there is a lot …

One of my early hobbies as a kid was collecting baseball cards. At every card show, I was on the lookout for the 1989 Ken Griffey Jr Rookie card, #1, from Topps.My collecting craze …