What could be better than a tube amplifier? How about an entire surround sound system built using tubes! Radar hacker Greg Charvat built such a beast back in 2005, and he refers to it affectionately...

Big news for many folks out there who use Eagle... Premier Farnell buys design software firm CadSoft (Eagle) - via oomlout Premier Farnell has acquired CadSoft Computer, developer of the Eagle brand ...

The latest (free) electronic edition of EE Times is online and it's devoted to the LED. Entitled "LEDs: Let There Be Lighting," the issue explores mainly the business side of LEDs and th...

Here's a simple helping hand upgrade that makes soldering wires to potentiometers and switches tons easier. Just replace one of the alligator clips with a squeeze style "wide mouth" clip...

Stephan Martin writes in to tell us about his homemade thermal imaging system, the Thermoscanner. He mounted a TPA81 thermopile array onto an XY servo mount, then hooked it up to his computer using a...

MAKE subscriber WidgetNinja writes in to share their first circuit board design, a fan speed controller. This circuit monitors air temperature in a home theater equipment cabinet, and regulates the s...

Has going back to school got you stressed out? If so, check out how to make some DIY hallucinogenic goggles. Trippy! This post will describe how to construct a pair of goggles which can be used to in...

Where would the maker be without his/her tools?? Here are some of the tools in my shop that I use every day. Read more about them here. I'd love to here from other makers. What tools can't yo...

If you've ever wondered why there are so many types of capacitors, and how to choose the right one for your project, you should definitely catch the latest installment of David L. Jones' EEVbl...

Here is an easy way to implement automatic temperature control for your next project. The web site includes the schematic, parts list, PCB artwork, and application examples. The heart of the circuit ...