If you have ever thought about building your own audio amplifier why not go old school and build a tube amp! Have a look at a well documented K-502 Tube Amplifier Kit construction process. The end result is a fine looking piece of equipment. “With the K-502 tube amplifier kit is a piece of pine to mount your finished amp, but it’s more fun to put it in a box.
Have a look at this Autonomous Sentry Gun that was built for the Defconbots competition. The site has lots of good documentation of the build. (Article mirror) More videos after the jump. “The electronics for this project are going to be relatively simple as well. To control the three servos (pan + tilt + firing), we are going to use the Pololu 8-channel servo controller. Normally we might use
Here are some cool ideas for old hardware, don’t toss it if you can make it into something nice…
Doktor Andy has developed a method of using a cheap print server as a network controlled switch. Video after the jump. “One day it hit me. I wanted to connect my coffee-machine to the internet. and my television…and my desk light… There are different approaches. One of the most stupid ones was to stuff a relais-board into my pc and….greeaaat idea..absolutely….”sorry, I cannot cook coffee because I first have to
Youtube user Starcross42 has posted a number of interesting Laser Effects. The Galvanometer laser show is the most complex and is my favorite. Lots more videos after the jump.
Reverend Jones from the Hacked Gadgets Forum has posted a creative way of making an old wall-wart (plug in power supply) into a useful USB power supply. “Here is a quick and easy way to make an USB charger/power supply powered by the wall outlet. This can be used to charge/power a PSP, iPod or any other USB device. First you need to acquire a regulated 5 vdc wallwart rated
Check out this Western Digital Hard Drive Oscilloscope. The Google translator didn’t do much with the text so other than the pictures the page may be hard to follow… Anyone want to do a short English translation?
