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Solar powered calculator, nice site:

Solar powered calculator, nice site:

Science

s
Fast and Curious

slatington, pa, usa

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28 Dec 04
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01 Sep 10
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http://www.eevblog.com/2009/12/04/eevblog-48-solar-power-hope/

Lots of others on this home engineering lab. I'm jealous, he has a lot more test equipment then me🙂

That was just one video but here is the main site:

http://www.eevblog.com/

Take a look at his video blog #1, reviews a book by Woz and a voltage regulator that can output all the way to zero volts, something I had to design for a thermocouple calibrator, mine needed exactly 8 millivolts at around 200 ohms impedance. My design worked but it needed a lot more parts than this chip the LT3085.

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