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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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…
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…
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…
4 rotors, 1 powered – Hum Motor
4 rotors running from only 1 being powered. 3V wall adapter setting @ 145mA
Solar Powered SEC
This is Dr. Stiffler’s SEC running on a 2 watt /12 volt solar panel. There is no battery and the system is drawing 80ma. Nothing special except that it is running three fluorescent tubes,…
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…
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…