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  • Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.

Recent content by PAUL60

  1. P

    ic555 timer

    555 timer capacitor C2 i have no luck finding that size 0.1 is there another size that can work? paul
  2. P

    ic555 timer

    Timer Hi Mike, you said The 12V relay should have a coil resistance greater than 85Ω. how high can i go with the coil resistance? this is all new to me. very little experience with electronics thanks paul
  3. P

    ic555 timer

    Thanks Mike will try your circuit and see how it goes. paul
  4. P

    ic555 timer

    Can this work? I need to make a timer circuit that would switch a relay on for one minute then stay off for 5 minutes, then on for 1 minute and off for 5 minuites. and contuinue like this. i will be using this to operate a roof cooling system. where the misters come on for one minute...
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