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Results tagged with 555
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user 95714
The 555 timer IC is an integrated circuit (chip) used in a variety of timer, pulse generation and oscillator applications. The part is still in widespread use, thanks to its low price and ubiquity. The 556 timer is simply two 555 timers in a single package.
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How the pin2 of 555 timer triggers this simple circuit?
Personally, i would add a resistor shown as Rx. Its value will be chosen in conjunction with R3 such that the resting (untouched ) voltage will sit near the trigger level point, see pic...
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