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Electronics => Electronics => Topic started by: gaurav.p on July 16, 2010, 04:38:59 AM

Title: separate power supply
Post by: gaurav.p on July 16, 2010, 04:38:59 AM

i m making a uC board where i want different power supply for logic and different supply for the output devices...............how this functionality can be configured.i hav made the board on the platform of atmega16 chip.

regards,
shakerobo

Title: Re: separate power supply
Post by: Soeren on July 16, 2010, 09:21:55 AM

Hi,

Just connect the grounds (0V lines) of the two power sources and use transistors or opto couplers to isolate between them.