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![SOLVED]12v UPS DIY circuit attiny85 lm317 - Raspberry Pi Forums](http://1.bp.blogspot.com/--C0zA-uW9qw/TqoRskylLhI/AAAAAAAABJI/RysH4wkM5t0/s400/simple+12V+UPS+circuit.jpg "SOLVED]12v UPS DIY circuit attiny85 lm317 - Raspberry Pi Forums")
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