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Topic: battery or wall power (Read 334 times) previous topic - next topic

I have built a project that will run off an attached 12v battery. If I wanted to add the ability to power it off the mains instead, I thought of just adding diodes on the positive, but I was wondering if there was anything else I should do? Do I need a switching power supply? does anyone have a schematic?

Thanks
Nigel

Grumpy_Mike

Quote
I thought of just adding diodes on the positive,

Of the mains!!!

You need a mains 12V DC adapter, there are lots about for cheap.

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