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Re:Making My Own USB Keyboard from Scratch by goodwork on Sunday February 17, 2019 @05:48AM (#19183787)
I wanted to make 12v instant failover UPS.

No idea how can i make DC to DC UPS with easily available items

I've 12v 0.5amp requirement @6watt.

I need this appliance to be running for 5-6 hours when power has failed.

Does anyone know of the community where I can ask such question?

Re:Making My Own USB Keyboard from Scratch by niwo on Sunday February 17, 2019 @05:58AM (#19183822)