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555-556 Timer info

555 Astable Circuit

When the 555 IC is used to produce an ASTABLE circuit - it will continually pulse until power is removed. Astable circuits can be used to flash lights/LEDs on and off or to turn a buzzer on and off repeatedly. They are also used in many more school based circuits.
Look at the circuit drawn below. Pins 6 and 2 are connected and go to the negative (0 volts). This is the easiest way of recognising that a 555 IC has been set up as astable.

 

555 Astable application Circuit schematic

Keywords : ASTABLE, Lm555, NE555, 555, Timer, Application, Schematic, Circuit, IC, Timers, Converter, DCDC, Dc, Direct, Current
Writer : delon  |
15 Jan 2007 Mon   
|  22.813 Views
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