Originally posted at www.instructables.com This video is created and provided by the Edmonton Bicycle Commuters' Society (EBC) (edmontonbikes.ca , http , twitter.com ), a non-profit organization that supports all cyclists in Edmonton by providing advocacy, education, free services at events, affordable used and new parts, and bicycle recycling. EBC also operates BikeWorks, a fully-equipped, volunteer-run community bike workshop, where volunteer mechanics teach & help members of the public to learn how to fix their bicycles. EBC also sells used bikes. --- This is the introductory video to building a high-power three LED bicycle light. The design here has 3 modes: High, Medium, and Strobe (blinking), and runs on a voltage between 5-10V. The price of the light, including batteries, charger, and worldwide shipping, is about US. Including batteries, it weighs about 200 grams, and should last about 1.5 hours on high mode (and significantly longer on medium or strobe modes). You don't need electronics experience to build this. The Edmonton Bicycle Commuters' Society occasionally runs in-person courses on designing and building your own custom bike lights: this design or one customized to suit your needs. This light is the same brightness, about 600 lumens, as the "Three P4" design here: edmontonbikes.ca , but the design in this video is cheaper and easier to build and use, and has a cleaner design. This light works in thunderstorms, blizzards, and has been used in ... Photography Digital Cameras Purchase Buy Baby Jogger City Select Onyx
