Grathio Labs of Steve Hoefer
Steve Hoefer, the main brain behind Grathio Labs. A freelance problem solver and writer. Active in the Open Source software and hardware. The Secret Knock Detecting Lock unlocks your door when it detects the...
Home Improvement and Garage DIY Ideas.
Steve Hoefer, the main brain behind Grathio Labs. A freelance problem solver and writer. Active in the Open Source software and hardware. The Secret Knock Detecting Lock unlocks your door when it detects the...
The circuits below are variations on basic thermostat designs that can be used to control either heating or cooling devices.Potential applications include such diverse jobs as opening flaps or controlling heat in greenhouses, powering...
Sam has some wonderful Audio and Video circuits. He is from Greece the land of Mythology and the Gods. These are Electronic Circuits and DIY Projects for the hobbyist. Sam Electronic Circuits There is...
He has many achievements to his credit; From converting a Thomas Saf-T-Liner, a flat-nosed diesel school bus into a family camper To a DIY Op-Amp Hot Tub Temperature Controller. Look at Mr. Jake von...
This is one of the oldest Electronics DIY Project Sites in the Internet. I now discovered he has a dedicated domain too. Gary from Canada has many useful schematics and even provides kits and...
“Electronic circuits that are mostly for model railroads. Shown are designs that were developed to solve certain problems or achieve a desired control function. There are throttle, train detection, animation, control and general purpose...
Mark Rollins – Model Railroading – model railroad information, complete with model railroad circuit diagrams. Electrical Circuits you can make! With 3D wiring Sketches, easy for the beginner. I enjoy model railroading – HO...
Once upon a time i heard a story of pepper and pyramids. From that i concluded that the Gargantuan Pyramids were not built by punishment but by reward. This was the main Economic Activity...