generator

Dynamo Rover

Dynamo Rover Rolls Along, Sans Batteries

This human-powered bot was created by Instructables user masynmachien. One of the two servo motors acts as a dynamo, converting muscle power into electricity, which runs along a wire to the other servo and makes the bot move.

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Longboard Generates Light While You Ride

Longboard Generates Light While You Ride

ITP student Danne Woo modified his longboard with strips of LED lights that illuminate when a wheel-mounted generator spins. In short, a stepper motor is run through a bridge rectifier followed by a one farad supercapacitor and then into the LEDs. The resulting project is suitably called “The Circuit Board.”

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Hand-cranked Toy Piano Hack Keeps the Tunes Coming Forevermore

Hand-cranked Toy Piano Hack Keeps the Tunes Coming Forevermore

When a battery operated device runs out of juice, most of us reach for a fresh pair of AA’s. But when his daughter’s electronic toy piano had drained its batteries, Dominik instead installed a hand-cranked dynamo to power the instrument ad infinitum. He hacked apart an Ikea flashlight to co-opt its cranked generator and installed it inside his daughter’s plaything. Now a little bit of elbow grease keeps the tunes coming while saving the environment and a little bit of money to boot.

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Fluttering Wind Generator Lights it Up

Fluttering Wind Generator Lights it Up

ITP students Michell Cardona and Nelson Ramon Ramirez created several different oscillating wind generators before settling on something that works the best. Similar to the Humdinger in function, their Linear Wind Electricity Catcher works by fluttering a magnet in close proximity to a transformer, which translates kinetic energy to electrical energy after being rectified.

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Make: Projects – Pedal-powered phone charger

Make: Projects – Pedal-powered phone charger

This winter, my dad and I took up the project of building a simple pedal-powered cell phone charger to mount on my bicycle. Cell phones are small potatoes in the big picture of energy consumption, but the apparatus we built could be a very practical concept for those on self-supported bike tours or those living […]

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Meatricity Christmas tree

Meatricity Christmas tree

MAKE Flickr pool member Whymcycles has contributed a great Meatricity powered Christmas tree build. Colin pedals my Dad’s ’75 Schwinn Exceriser stationary bike..30,000+ miles, with a fixed magnet electric motor rubbing on the wheel.’ All sizes’ will show the simple clamp set up to hold the motor and the device itself to the fork leg. […]

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