Shrink down your Arduino project and stuff it into a small eight pin chip that costs little more than a dollar! Here I take my driveway proximity detector project and put it into this little ATtiny 85 - 20 chip, using less than a quarter of it's capacity.
http://hlt.media.mit.edu/?p=1706
http://hlt.media.mit.edu/?p=1695
http://www.youtube.com/watch?v=30rPt802n1k&list=PLBV_m9-RjxkRriXCJhQYXwr0WDejwElx7&index=2
http://www.youtube.com/watch?v=7LskShrK4vQ
http://www.atmel.com/Images/Atmel-2586-AVR-8-bit-Microcontroller-ATtiny25-ATtiny45-ATtiny85_Datasheet-Summary.pdf
http://electronics.stackexchange.com/search?q=ATtiny
Below is a link to a page Intructable that shows the connection and status LED hookup:
http://www.instructables.com/id/Self-contained-16-Digit-display-Arduino-Attiny/step4/Wire-up-your-Arduino-to-program-the-ATtiny85/
New find - covers the same material in an hour long classroom setting w/Q&A:
http://youtu.be/OQpItnWfI-8
Original upload on HillOrStream, August 8, 2013 had 773 views.
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https://www.youtube.com/watch?v=knfb3PN4oSA
A couple issues with the X10 wall light module (WS467 ?) when used with LED light bulbs. I still need to determine if receiving the X10 signal is impaired by noise or some other cause.
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https://www.youtube.com/watch?v=iJs30P-RAIo
Fried, hacked, re-fried, repeat. This hot tub controller, even when new and stock, has always been problematic. It would overeat and trigger a shutdown which could result in frozen pipes if
powwercaught too late.
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https://www.youtube.com/watch?v=Oei3v8l3ztA
A friend scowled upon what I'd been touting as a good deal on camera batteries. Do they really have more capacity than the OEM battery? I didn't want to invest the time in a proper MCU driven test setup, t just wanted a quick and dirty comparison without risking damaging my batteries.
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https://www.youtube.com/watch?v=tdc8JuvntNI
A brief look at many of the physical aspects of DOCSIS cable modem service as commonly deployed by cable operators.
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https://www.youtube.com/watch?v=1Y-MX2iZe14
A Look Inside a LATTE iPearl, MP3, WAV, etc. music player, FM receiver, FM transmitter, voice recorder, etc.
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https://www.youtube.com/watch?v=Ui3p2jqZbG4
Using a Feeltech Function Generator to find the Free Air Resonance of a woofer.
https://www.ebay.com/itm/20MHz-DDS-Arbitrary-Waveform-Dual-Channel-Signal-Generator-Sinewave-Squarewave/232625665648?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2057872.m2749.l2649
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https://www.youtube.com/watch?v=9MJ0Q8ZZDNw
Found a use for a little DAC that turned out incompatible for it's intended purpose when I bought it a few years back. Also discussed is a butane soldering iron.
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https://www.youtube.com/watch?v=BUyP4lYoQFc
Just a quick check of power usage of a Vaporizer type Humidifier. This relates to an offline conversation a while back, finally remembered to check it.
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https://www.youtube.com/watch?v=XugPRBYvq6c