March 12, 2007

5 Cool Self Balancing Skateboards
Complex Hacks

8

Balancing One-Wheeled Scooter Link “It’s very similar to a snowboard to ride, requiring no user input other than the movement of your body mass. Leaning forwards and backwards controls the velocity and moving your weight from heal to toe controls the turn radius. It’s easy and very intuitive to ride. The main controller is a PIC16F876A running at 20mHz. Pitch angle feedback is provided by an ADXRS300 Rate Gyro and

Recorded Audio Doorbell
Electronic Hacks

11

This project was constructed by Apnoe, a member of the Hacked Gadgets forum. His entire article has been reproduced here since he doesn’t have a Web server that is on 27/4. If you have any questions you can ask them here or email Apnoe directly at apnoe at gmx.de. “This is my self-assembled doorbell. I wanted a doorbell that can play a audiosample of my own choice and not that