Category Archives: Power

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

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

Mystery Device

Posted on 2012-03-20 by M. Eric Carr

Two bucks at a thrift store — a bargain for an electrical mystery, especially one with a huge heatsink… Continue reading →

Posted in Electronics, Power, Reverse Engineering | 1 Comment

Unintentional Destructive Testing

Posted on 2011-10-13 by M. Eric Carr

Burnt plastic is one of Nature’s ways of telling you “DON’T DO THAT!” Continue reading →

Posted in Drexel, Electronics, Power | Tagged , , , , | 2 Comments