Category Archives: Electronics

A Weather Prognosticator

Posted on 2016-09-22 by M. Eric Carr

A Weather Prognosticator, to visually show the hourly forecast temperature by color. Continue reading →

Posted in 3D Printing, Arduino, C, Coding, Design, Digital, Electronics, HOW-TO, Internet, Level 2, Networking, Projects | Tagged , , , , , , | Leave a comment

A Better Voltage Regulator

Posted on 2016-02-16 by M. Eric Carr

There’s a switched mode, drop-in replacement for the LM7805. Pass it on. Continue reading →

Posted in Components, Current Events, Electronics, Power, Toys | Leave a comment

Electronics Intuition, or The Giggle Test

Posted on 2016-01-26 by M. Eric Carr

Mathematical analysis is one of the most useful tools in electronics. With the right formulas, you can figure out what value capacitors and inductors to use to make a resonant circuit operate at a particular frequency, or what resistors to … Continue reading →

Posted in Electronics, Fundamentals, Troubleshooting | Leave a comment

Just the Thing

Posted on 2015-12-17 by M. Eric Carr

For $16, the SparkFun ESP8266 Thing can connect your gadget to WiFi. Continue reading →

Posted in Arduino, Design, Digital, Electronics, Internet, Networking, Reviews | Leave a comment