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Use your DMM with this to measure unknown capacitors. Measures from a fraction of a pF to a few uF.
I left a few things off of the schematic, as I drew this in 1985 for my own use. I’d previously built (and sold) one built with a 50uA meter built-in, all with parts from Radio Shack. (more…)
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This weekend, learn how to put your projects on a breadboard! Start off by going to the Sparkfun site and go through their tutorial about getting power set up on your board. - LinkThen get out Make: Volume 10 (Note: I mistakenly called it volume 11 in the podcast, but it’s Volume 10) and look up the article on 555 timers by Charles Platt. We’re going to make a timer that you can use when playing chess to know when your partner’s turn is up! I’ll also put this article in the pdf that goes along with this video. - Subscribe Link
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