Power failure detector for computer

Discussion in 'Homework Help' started by agsnip, Nov 19, 2009.

  1. agsnip

    Thread Starter Member

    Nov 19, 2009
    Hi, i'm a new user,
    right now i'm doing my end of semester project on power failure detector for CPU. i attach the question. I've been trying to do it with lm393, pull-up resistor 4.7k and Vcc=5v.

    Can anyone give their suggestion or opinion that may help me do it. Got another one day to submit it.:(

  2. beenthere

    Retired Moderator

    Apr 20, 2004
    A DPDT relay arranged to be self-latching. The other contacts provide a signal to the computer.