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Building a Motor from Scratch: An adventure in retrospect
From this: To this: This was my first true Electronics class. My entire life theretofore, I had only studied the virtual world of software. I finally had a chance to get my hands dirty! And get...
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The PASCO Fan Accessory: Hardware Hacking for Physics Education – Part 1
$60??!?!?! and it isn’t programmable?!?Time to fix that. A little under a month ago, my physics teacher ran into a few limitations of the astronomically priced PASCO Classic Dynamics System & Fan...
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Sneak Peek: Hardware Hacking/Physics Ed. Part 2
While I’m busy writing up my next blog post on the subject, take a look at these photos; these are of the Time-Pulse Accessory’s PCB. There isn’t anything more to the device – it’s just a $102 PCB....
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An Elegant & Reliable Door Sensor
In this configuration, with the second iteration of my sensing algorithm, draws ~10ma idle – near the absolute minimum for an Arduino Leonardo. Diagram created with Fritzing. Last Thursday, October...
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