Now that we understand what the 555 is, and how it operates, it's time to explore what it can be used for.
The 555 has 3 basic modes of operation:
- Monostable/one-shot: The trigger input is used to make the output high for some amount of time, after which is goes low until it is triggered again.
- Astable/free-running: The output switches between high and low at a specific frequency and duty cycle.
- Bistable: The output is controlled by two inputs. This basically just exposes the internal flip-flop.
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