Build this workable little practice amp in about an hour.Continue Reading
A momentary contact Single Pole Single Throw (S.P.S.T.)
switch that is based on a Popsicle Stick. It is easy to build and the builder learns how a switch works.
At normal listening distances, an array of twelve speakers arranged on the faces of a dodecahedron is a very good approximation of a point sound source, and the sound waves it produces are very close to perfectly spherical. A dodecahedron speaker can be a useful tool in acoustics research, and is definitely a fun toy […]Continue Reading
Star trails are the paths left by stars as seen from the earth. As the earth spins, the stars appear to move and circle in the sky. To capture the star trails you need a camera, a tripod and an automated trigger for your camera. The Arduino, a relay and the camera’s remote control will […]Continue Reading
[youtube http://www.youtube.com/watch?v=rnPKVXE_Lsg?wmode=opaque&w=620&h=349] BEAM robot building techniques allow you to build fun and simple little robots with lots of room for stylizing. BEAM robots can move anywhere from a fraction of an inch to a couple of feet, depending on how big their capacitors are. You can also use batteries. For these two projects, we’ll use […]Continue Reading
In these instructions, I teach you how to make a vibrating little cute buzzing humming beetle robot. This is great for beginners because of the simple circuit and low parts cost.Continue Reading
Using a few electronic components and some common household materials you can create a simple planetarium for your home.Continue Reading