Skip navigation

Techno Toys

2 Posts authored by: dougw Top Member
Merry Boxes & LEDs Enter Your Project for a chance to win a Maker Tool Kit, an Oscilloscope Grand Prize for the project that brings the Most Joy to the Heart, and Gift to Gives! Back to The Project14 homepage Project14 Home Monthly Themes Monthly Theme Poll   Sparky returns ..... Just a little fun and levity to say Happy New Year! Nothing like a cute new-born chick to welcome a new year...   I have been fooling around with magnetic levitation - will try to work it into a ...
This entry in the Project14 Techno Toys competition is mainly to boost participation without setting the bar too high. I don't have a lot of toys around the house that I own, but I did find one that nobody laid a claim on. I call her Sparky. In this project I am taking a little wind-up hopping toy (Sparky) and retrofitting an LED powered by a power-scavenging circuit. The power-scavenging transducer is a piezo disk mounted under Sparky's feet, so when she hops, the disk gets flexed and gener ...