Basic Analog Circuits || 555 LED

555 Timer Circuit

 

http://www.555-timer-circuits.com/inside-the-555.html

What they are used for?

http://www.555-timer-circuits.com/

http://en.wikipedia.org/wiki/555_timer_IC

 

Comparator is used to measure differences in voltages

http://en.wikipedia.org/wiki/Comparator

 

Op Amp is Used to amplify & measures small differences in voltages

http://en.wikipedia.org/wiki/Operational_amplifier

 

http://en.wikibooks.org/wiki/Electronics/Capacitors

 

Figure 16 || Applications

http://www.basicanalogcircuits.com/Session_4_files/555an.pdf

555 N ||

555 C || pulls nano-amperes, very low currents

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