with David L. Jones
The EEVblog is an off-the-cuff video blog and Podcast of interest to anyone involved in electronics design. Electronics professionals, hobbyists, hackers, and makers will find something of interest here. Presented in Dave's unique non-scripted overly enthusiastic style!
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EEVblog #67 – Hacking the Princeton Tec EOS LED Headlamp with a Cree XPG
Posted on March 10th, 2010 27 commentsDave does a teardown of the Princeton Tec EOS headlamp and mods it with a new Cree XPG LED.
Throw in a quick reverse engineer of the circuit, gratuitous scope shots, torturing a thermistor, a practical demonstration of why you really do need 5 multimeters on your bench, and as usual Dave finds no problems filling up 25 minutes.
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EEVblog #50 – Solid State LED Lighting, and How Thermal Design Sucks
Posted on December 19th, 2009 22 commentsDave lights up his new backyard deck with Cree XPG LEDs, and then winds up measuring the wind from a storm instead. And who can spell efficacy?
LINKS:
Cree XPG LED Datasheet
Arctic Silver Thermal Adhesive
Luminous Efficacy Graph
Graph #1
Graph #2
LED Strip, Mounted LED
700mA 35W Mains LED driver -
EEVblog #48 – Solar Power Hope
Posted on December 4th, 2009 29 commentsCan solar power hope beat out the engineering reality for Dave’s latest project?
Was Doc Brown right?Solar Cell DATASHEET
CHEAP custom PCB’s from China
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