I have a home automation and security system running on a mega 2560. All been working well for over 6 months with no changes. Nothing changed recently on the components list of things attached to the Arduino. Power is from a 220V Power supply that is rated output 12VDC 5A with a 12V 9Ah battery in…

Power Supply voltage dropping - faulty supply ?

fungus April 11, 2014, 6:18pm 3

Does it get hot?

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