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555 Timer IC monostable

Discussion in 'General Electronics Discussion' started by Um_Mi, May 6, 2017.

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  1. Um_Mi


    May 5, 2017
    My 555 Timer IC monostable works perfectly fine. However, The circuit grounds itself even when I simply touch the ground wire's insulation. What could be the reason? Furthermore, when I use a push button switch, the LED doesn't even turn off. Any help will be appreciated. I am completely new to electronics and the 555 Timer IC. Thank you[​IMG] [​IMG] ,
    Last edited: May 6, 2017
  2. Alec_t


    Jul 7, 2015
    Welcome to EP!
    'Ground' is an arbitrary reference potential in a circuit. Your body provides a resistive path to true earth ground.
    For help re the switch and the LED you need to post (using the 'Upload a file' button) the schematic of your circuit. We're not psychic :).
  3. AnalogKid


    Jun 10, 2015
    And a photo. We're not telepathic, either.

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