Posted by admin | Posted in Uncategorized | Posted on 25-06-2011
Tags: bicycle, bike, cycling, diy, led, led dynamo bike lights, led dynamo flashlight, led dynamo headlight, led dynamo lights, led dynamo torch
can anyone tell me how to make a simple dynamo?
that can power one led light
please proved site links that have examples in the form of pics or clips
First of all you need a small box like the the box of carton milk. Wrap up 300-400 turns of copper wire. Now use two magnets attached to a small meta rod and insert it through the box by using a hole. Connect the wires to LED and start spinning. That’s it !! 
acme led dynamo in action
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Maxima dynamo rechargeable LED compact flashlight $9.99 Maxima dynamo 3 LED rechargeable compact flashlight does not need electricity, batteries or bulbs. Just wind the handle for 1 minute and use for the light 30 minutes. Suitable for kitchen, car glovebox, garage, emergency…. |
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iTouchless Multifunction Walking Cane with Forever Last Flashlight/Alarm/Warning Light $49.99 What it is? Foldable walking cane equiped with dynamo flashlight, emergency loud siren, and safety flashing red warning light. With its high intensity LED light that shines brightly from the handle, one will be sure to use this often in dark or dim lit areas. Just crank it for 1 minutes, can last up to 20 minutes of bright light, siren, or warning light. Since this walking cane is foldable it is g… |
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Dynamo Hybrid 12 LED Lantern by Viatek Today Viatek Consumer Products Group is a global company that develops innovative products. Their cross-functional team possesses unparalleled talent from product design, engineering, manufacturing and marketing. They bring the total innovation solution our customers require. Twelve super bright Led Hybrid lantern. Uses 3-AAA batteries. Has a 12v adaptor for auto use. Crank for one minute for up t… |
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Viatek NOAA Dynamo 5 LED Flashlight $12.49 NOAA Blackout flashlight has NOAA, Public Alert, AM/FM Auto Scan Radio, S.A.M.E Radio, 5 LED flashlights, and digtial clock…. |
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LEGO Head Lamp $9.99 The Head Lamp features the LEGO Minifigure which clips to the headband or to whatever you like – a backpack, jacket, or belt. Because the light emanates from the bottoms of the Minifigure’s feet, and its legs are posable, you can direct the light two… |
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LEGO Lantern $18.22 NEW for Holiday Season 2009! LEGO Portable Lantern Giant Lego Man Stands 8.8″ Tall. LEGO lights combine the fun and nostalgia of LEGO toys with a handy source of illumination wherever a little extra light is needed. LEGO products get to benefit from the g… |
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Green Science Windmill Generator by Toysmith $9.93 Ages 8 & up. Learn about renewable energy with this wind generator. LED light will glow as it is powered by free energy from the wind. No batteries required!… |
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Solar-powered LED Flashlight w/ Keychain $0.01 Imagine a flashlight small enough to attach to your keychain, but with three powerful LED lights, and it never needs batteries! This is the Solar Flashlight Keychain. A small solar panel on the back of the flashlight converts light to energy to power the bright LED lights. No cranking or shaking needed. Even ambient light is enough to keep this tough flashlight shining brightly! On your keychain, … |
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Kaito KA404 Emergency Hand Crank Dynamo 5-LED Flashlight with AM/FM radio $14.99 The Kaito KA404 combines a sturdy five-LED flashlight with an AM/FM radio, giving users a handy and versatile camping accessory, job site companion, car gadget, or emergency device. Made of durable, high-impact plastic, the rugged unit features five super-bright LEDs, each of which is rated at 15,000 MCD, and it can last ten minutes for every one minute it’s cranked. The flashlight is ideal for il… |