TheSpiffer1's channel

A box that unlocks only when you give the secret knock.

An inexpensive rotating platform for high school physics experiments involving circular motion.

Motor has a internal resistance of 20 ohms. 48 steps per revolution. 7.5 degrees per step. More info on motor from:

MFG

http://www.mitsumi.co.jp/...

Order the DVD with all chorus performances at www.harmonymarketplace.com or call 800-876-7464.

The Barbershop Harmony Society is proud to present...

My latest attempt to make the robot efficiently drive along a wall to its right. It's humbling how difficult this task is, while even the most prim...

Programmed to seek and then follow the wall on its right. This one is kind of slow, but it gets the job done.

My first attempt at using an Arduino to make a Rumble Robot navigate a maze. Thanks to Dinofab.com for the inspiration.