Dev board from an AVR programmer

usbasp

[jethomson] sent in a build he's been working on that turns an inexpensive AVR programmer into a development board. The build is based on the very affordable USBasp programmer that's based on an ATmega8. With hundreds of these boards available from China for less than a Hamilton, we're wondering how soon it will be before we see these boards end up in other projects. After fiddling with the AVR … [Read more...]

High Voltage Hacks: A 1000 Watt tube amp

amp

Normally when we hear of a Champ guitar amp, we think of a sweet-sounding rig that puts out 6 Watts through an 8-inch speaker. [John Chambers] of Champ Electronics wanted to build a true champion for the field of battle and came up with The Champ 1000 Watt Tube Amp, an amplifier that probably puts out enough heat to keep an igloo warm. The amp is based on 807 valves. With some clever … [Read more...]

Raspberry Pi might not be vaporware

smallpi

When we first covered the Raspberry Pi, we secretly wondered if the project might become vaporware. It looks like the tiny, full-fledged computer might actually be produced with the announcement of alpha boards in the Raspberry Pi HQ. In the announcement of the Raspberry Pi last May, the board was about the size of a USB thumb drive and would cost $25. It looks like the board will be a little … [Read more...]