Hand powered USB charger from hacked IKEA flashlight

Werner sends this handy hack he found at IKEAHackers. Giovanni Gentile devised this simple hack which mods an IKEA Ljusa hand powered flashlight into a USB charger. “The procedure was simple, it was enough to eliminate some resistors and use a capacitor sufficient to handle the charge given by the Ljusa’s dynamo. I set the […]

Dynamo powered LED bicycle taillight

Martin uses a dynamo to power his bicycle taillight and wanted to find a way for it to remain lit when the bicycle was not in motion. He sent in this quick hack he used, adding a supercap in the taillight circuit, which powers the light without the need for batteries. Via the contact form.