Author Archives: M. Eric Carr

Planespotting, The SDR Way

Posted on 2015-02-22 by M. Eric Carr

ADS-B broadcasts allow modern-age planespotting by tracking local aircraft position reports. Continue reading →

Posted in Aviation, Digital Citizenship, Internet, Reviews, RF, Toys | Leave a comment

Arduino Step By Step

Posted on 2015-01-07 by M. Eric Carr

I recently came across a very interesting Udemy course called “Arduino Step by Step: Your guide to the Internet of Things.” It covers everything from blinking a LED (the traditional microcontroller take on “Hello, World” to Internet-connected applications. It’s only … Continue reading →

Posted in Arduino, Current Events, Digital, Resources, Reviews | Leave a comment

Word Lens

Posted on 2014-12-22 by M. Eric Carr

Word Lens is an Android-based Augmented Reality app that can translate text on the fly, using the camera. Continue reading →

Posted in Android, Reviews, Tools, Toys | Leave a comment

The EBCs of BJTs

Posted on 2014-11-30 by M. Eric Carr

Bipolar Junction transistors (BJTs — NPN and PNP types) are inexpensive, reliable, relatively easy to use, and very useful. Here’s how they are used. Continue reading →

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