555 Timer
555 Timer  |
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The 555 is a timer chip with many applications. It is a very rugged and robust chip with 300mA drive from output pin 3. It is not suitable for use in circuits that use gating chips as it produces a lot of interference on the supply rail. |
For a complete discussion on this chip, see the subscription section of: Talking Electronics Interactive. |
Circuits using a 555:



 Producing a negative supply


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