Free Spin—ambient light powered rotor
This rotating device I call the “Free Spin” and it is powered by ambient room light. The drive unit is from a solar powered toy. The rotor and support design is mine.
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Solar Powered Spinning Magnet Top
This is a spinning magnet top that is being powered by indoor indirect sunlight. The circuit is a simple two transistor / one coil design. A regular 22uf electrolytic capacitor is used instead of…
Motion Paperclip Note Holder– light powered
This shows an idea for a light powered motion desk gadget that can hold notes. The driver unit is out of a light powered waving flower and will work at light levels found in…
GravityLight is a Cheap, Green Weight-Powered Alternative To Solar Lamps
London-based designers Martin Riddiford and Jim Reeves — from Therefore.com – spent four years developing a light that would provide a viable alternative to kerosene and sun-powered lamps for developing nations. GravityLight works by harnessing…
4 rotors, 1 powered – Hum Motor
4 rotors running from only 1 being powered. 3V wall adapter setting @ 145mA
DIY Solar Powered Car + Build session – Power wheels – Dune Racer
I decided to upgrade my kid’s Power Wheels Dune Racer with better technology. This was a really fun project. The kids love not having to stop and ask for a battery recharge every 30…
Power Pill – 6 water powered oscillators
Description: 6x LED oscillators, running from the powered generated by 1 source of water. The top of a coffee jar has plain water in it and the electrodes, made of galvanized steel and copper…
Mattel DeLorean – Flux Inductor Powered
A project to bring in a couple of learned electrical circuit techniques…a fun idea to convert a $1.07 display model. The DeLorean now has a working Flux Inductor circuit (3x axial inductors that work…
Hydraulicity 1: Perpetual Water Pump, Self Powered ?
The Fountain of Heron, aka PerPump For how long must a self-powered water pump run to qualify for MrWayne’s ten large? Oops… I forgot to put in a Zed. Oh well… back to the…
One LED powered pulse motor
This is a Magnetic Jewelry Bead Motor powered at night by the light from one bright white LED. The rotor is partially levitated using permanent magnets and the drive unit is out of a…