More ideas from Peder
Eco Friendly Metal Detector - Arduino: 8 Steps (with Pictures)

Testing of a new four coil PI Arduino metal detector. In this clip am attempting to triangulate target under the detector head on TFT color touch screen.

Wooden knot puzzle plan

The knot puzzle is an extremely simple puzzle which has the shape of a Greek cross. This puzzle does not belong to the hard category but it is very interesting because it is equally difficult to assemble it as it is to dismantle it.

Stop using Ferric Chloride etchant! (A better etching solution.)

Ferric chloride is a traditional home-use circuit board etchant. It's easy enough to come by, and the Ferric by itself is no big environmental problem.

47 projects to do with a 555!

All the electronics info you need to know about the 555 Timer. With over 80 different electronic circuits that you can build.

47 projects to do with a 555! - All

These are a whole bunch of things to make with the 555 timer IC with a note for each picture. I do not take credit for these schematics, they were made by Collin.