ALPHANUMERIC CALENDAR CLOCK

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555 Timer



www.electronics.dit.ie/staff/mtully/555%20folder/555%20timer.htm

The 555 Timer. The 555 timer IC was first introduced around 1971

www.doctronics.co.uk/555.htm

The 555 timer is an extremely versatile integrated circuit which can be used to build lots of different circuits. 

www.instructables.com/id/555-Timer

This tutorial provides sample circuits to set up a 555 timer in monostable, astable, and bistable modes. 

www.555-timer-circuits.com/

All the electronics info you need to know about the 555 Timer. With over 80 different electronic circuits that you can build.

 




 

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