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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.

  • 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.

instant off

  1. T

    Delay on - Instant off timer

    Hi to all - newbie here, I am a programmer with basic knowledge of electonics, so please forgive my ignorance. I'm trying to create a circuit (maybe using a 555???) that meets the following criteria: The circuit has 2 inputs, the 1st is a NC momentary switch and the 2nd one is a NO momentary...

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