Author Archives: M. Eric Carr

TTL debugging techniques

Posted on 2012-08-02 by M. Eric Carr

Here are some of the most common reasons why a digital circuit might not work, along with tips on how to diagnose the problem. Continue reading →

Posted in Design, Digital, EET205, EET325, Electronics, HOW-TO | Leave a comment

Rediscovering Vacuum Tubes, Part 1

Posted on 2012-07-30 by M. Eric Carr

A 6J6 vacuum tube is run through some DC tests… Continue reading →

Posted in Analog, Digital, Electronics, HOW-TO, Nostalgia, Power, Science | 4 Comments

Freestylin’

Posted on 2012-07-30 by M. Eric Carr

The new Coke Freestyle machines are pretty cool. I finally got to try one — and ended up fixing it in the bargain. Continue reading →

Posted in Current Events, Digital, Digital Citizenship, Reviews | 2 Comments

An Introduction to Programming: Lesson 00

Posted on 2012-07-27 by M. Eric Carr

What is computer programming? What can you do with it? The basics are actually quite easy. Here’s a step-by-step introduction to get you started. Continue reading →

Posted in Coding | Leave a comment