31 May '13, 9pm

New post: LED mortal board battles suns brightness with 5.6A of power

New post: LED mortal board battles suns brightness with 5.6A of power

[Jeremy Blum] aimed to be the brightest student at his Master’s graduation ceremony this spring. He designed an LED rig for his mortar board which should battle the sun’s intensity by using up to 5.6 amps of power. But he didn’t stop with eye-catching intensity. while he was at it he also included some interactive features so the guy behind him has a way to keep from going blind. One thing that really caught our eye is the 3D printed parts he generated for the project. There’s a nice mounting plate for the LED side of things, and a wrist-mounted enclosure for the Raspberry Pi board. Wait, why does he need an RPi to drive some LEDs? We already mention interactivity which is facilitated by the Pi acting as a WiFi hotspot. Connect to the access point and choose a color. If you’re in the seat behind [Jeremy] you’ll want to choose black! All of this and is explained in his vide...

Full article: http://hackaday.com/2013/05/31/led-mortal-board-battles-s...

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iWatt aims at low-cost dimable LED light bulbs

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The Healing Power of Meditation

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care2.com 31 May '13, 4pm

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