Alternate Energy Plans by Lee Bell
At the PackRat WorkShop Lee Bell has archived Power-Energy Ideas, Mechanical Howto and Robot Designs too. A Practical Man, His drawings are a language by itself. He has created a useful resource which will...
Category: Hobby Lab
Erik Grindheim and Engineering Assistant
Some projects are Audio VU meters, Serial Port PIC programmer and other interesting articles. The low and high logic levels are displayed by LEDs,which are OFF if the probe tip is floating or connectedto...
Soundcard Oscilloscope by Christian Zeitnitz
The Soundcard Oscilloscope receives its data from the Soundcard with 44.1kHz and 16 Bit resolution. The data source can be selected in the Windows mixer (Microphone, Line-In or Wave). The frequency range depends on...
Make a Shake LED Flashlight
I was enlightened about this Battery Less wonder. This is a boon for rural areas and an emergency tool which depend only on your will and your tendons. I found this bright flash of...
