Michael Beach

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Posts by Michael Beach

LED current source based on LT3080, the modern LM317 replacement part, runs off USB or 9V or any voltage in between

Saturday, July 7th, 2012

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Blue LEDs make healthy babies – Firefly Phototherapy from Design That Matters

Wednesday, June 6th, 2012

Posted in optics, photo, prototype | Comments Off

Eye exam using a smart phone, and some plastic optics – the NETRA project

Wednesday, June 6th, 2012

Posted in metrology, optics, parts, prototype | Comments Off

Energy Harvesting – battery-free radio

Wednesday, June 6th, 2012

Posted in energy, energy harvesting, how-to, prototype, video | Comments Off

high voltage testing of 208VAC phase controller used on semiconductor production equipment

Tuesday, June 5th, 2012

Posted in how-to, methodology | Comments Off

client action photo

Tuesday, June 5th, 2012

Posted in optics, photo, prototype | Comments Off

photos of recent work

Tuesday, June 5th, 2012

Posted in optics, prototype | Comments Off

plausible, feasible, tangible

Friday, September 16th, 2011

Posted in methodology | Comments Off

in the future, robots will have arms

Wednesday, August 10th, 2011

Posted in metrology, photo, prototype | Comments Off

Arduino motor control

Tuesday, August 2nd, 2011

Posted in how-to, parts, photo, prototype, tools, vendors | Comments Off