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X****Liu
Single button start-shutdown in MCP1640 circuit with modes
994
1
Feb 22.2020, 00:43:49
I am trying to modify this circuit incorporating a n.o. pushbutton to power it on and off, and to have different modes depending on how long the pushputton is pressed. I would like to use an Attiny13 to control the logic for the modes and control the on-off but I am new to circuit design and wondering if anyone could help.
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A****min
Feb 26.2020, 09:32:03
Typically you can have the push button actuating a MOSFET to switch on the power, this then boots up the microcontroller and it can then supply power to the same MOSFET to latch the power on.
