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Arduino code to make my recycling bin glow on day I have to put it out
@johnmckerrell says that if I don't put a diode on the relay then the switching will generate a reverse current and damage the microprocessor over time.
The diode should go in parallel between A1 and A2 on the diagram here.
http://www.farnell.com/datasheets/1702851.pdf
A DC jack / breadboard adapter:
http://proto-pic.co.uk/dc-barrel-jack-adapter-female/
Power supply for plugging into it.
Some batteries.
JeeNode have a battery board:
Adafruit probably have something
And either use or give up on it.
Can you get down to 1ms every 10 seconds like this example? http://tomtor.blogspot.nl/2012/09/solar-powered-arduino-and-attiny.html
e.g using http://boxmaker.rahulbotics.com/
Just found my question about it was answered on StackOverflow.
Follow the tips!
http://electronics.stackexchange.com/questions/11732/how-do-i-fix-my-multimeter-which-doesnt-seem-able-to-measure-resistance?noredirect=1
http://electronics.stackexchange.com/questions/8158/failed-multimeter
Digispark looks good:
http://digistump.com/products/1
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