Category Archives: Electronics

A Better Voltage Regulator

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

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

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

How Not To Build A Tablet PC

Dave of EEVBlog has found a device worthy of a full-blown Dave Rant. It’s not pretty. Continue reading

Posted in Design, DoNotTryThisAtHome, Electronics, Reverse Engineering, Reviews | Leave a comment