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pdbeyer
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« on: March 05, 2013, 10:29:40 PM »

I building an automation project using an Arduino Uno board, and I am having a power problem. I want to power the project with an 18V Dewalt DC9096 battery. I need +12V and +9. When I try to use LM 7812 / 7809, I burn the voltage regulators out with no load on them. I really am at a loss as to why they are burning out, unless it is something to do with the DC9096 battery pack.
Battery Specs...

Chemistry    NiMH
Voltage    18
Capacity    3000 mAh / 3.00 Ah
Rating    54 Whr
Cell    15 cells

Is there something I'm missing? I am wiring the 7812 according to the basic schematic on the spec sheet
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remonx6
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« Reply #1 on: August 01, 2013, 06:58:23 AM »

U can Used uNIverSal AC aDapter Thanks Author helpful topics
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Thanks
Engineer Remon

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