Fresh hacks every day
With grand plans of tenting out for several days at a music festival [Josh] needed a way recharge his portable devices. In the past he's lugged around a 12V battery with him, but this year he wanted to make things easier. He ended retrofitting a camping light to do the job with the help of the summer sun. The first step of the project was to source some rechargeable batteries. He toyed with the … [Read more...]
To userp the Green Lantern oath is a sacrilege. But calm your rage as you take in this Green Lantern battery and ring project. [Jon] built the power battery portion out of LEGO, but inside you'll find an added bonus. An Arduino uses a set of LEDs and an RFID reader to bring the object alive. A matching ring contains the RFID tag that activates the lights when held up to the lantern's lens. You can … [Read more...]
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