LED does not blink in Experiment 11 (Make Electronics, 2nd Edition)
Electrical Engineering Asked by czheo on December 8, 2021
I couldn’t make the LED blink building with my breadboard.
So I tried out the experiment with an online simulator.
The LED does not blink in the simulator as well. Is it because the simulator does not reflect the reality, or I connected it wrong?
One Answer
The article has 470K resistors and you've used 470 ohm resistors, that's off by 1000:1 (too low). I can't really see what your values are on the breadboard.
The simulator may or may not work, oscillators sometimes need a bit of a whack to get going.
Edit: In this case, it does work when the resistor values are changed.
Answered by Spehro Pefhany on December 8, 2021
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