auto timer off circuit

Discussion in 'The Projects Forum' started by firstsegun, Feb 24, 2009.

  1. firstsegun

    Thread Starter New Member

    Feb 24, 2009
    am working on a write up on auto timer off circuit for electronic appliances <t.v,dvd player pc>, cant find useful materials. need help
  2. mik3

    Senior Member

    Feb 4, 2008
    If you want a real time timer then it would better to buy a ready one. There are cheap ones in the market. If you want the device (TV, radio, etc) to switch off after a time duration when you set the timer then you can use a 555 and a relay.