Author Archives: M. Eric Carr

How Not To Code

Posted on 2014-08-08 by M. Eric Carr

Recently, my friend Dan shared a thought-provoking picture of a quote by Martin Golding:   When I first started writing programs back in the Dark Ages (1980s), I wasn’t even aware that coding styles existed. Not only did I probably … Continue reading →

Posted in BASIC, Coding | Leave a comment

Resistive Security Loops

Posted on 2014-07-30 by M. Eric Carr

Incorporating a resistor into a security system loop circuit can make it a lot harder to spoof — provided it’s done correctly. Continue reading →

Posted in Electronics | Leave a comment

CNC Etch-A-Sketch

Posted on 2014-06-29 by M. Eric Carr

An Arduino and Adafruit Motor Shield are used to automate Etch-A-Sketch drawings. Source code provided. Continue reading →

Posted in Arduino, C, Coding, Digital, Nostalgia, Toys | Tagged , , , , , | Leave a comment

Components: LEDs

Posted on 2014-05-30 by M. Eric Carr

LEDs are useful devices. They require a bit more thought to use than indicator lamps, but are very versatile and efficient. Continue reading →

Posted in Building blocks, Components, Electronics, Fundamentals, HOW-TO | Tagged , , , , , , , , , | Leave a comment