13-07-2012, 08:05 AM
Please any one can give me project ideas based on 555 timer.please its urgent.
13-07-2012, 08:05 AM
Please any one can give me project ideas based on 555 timer.please its urgent.
13-07-2012, 09:19 AM
to get information about the topic "555 timer" full report ppt and related topic refer the link bellow
https://seminarproject.net/Thread-seminar-on-555-timer https://seminarproject.net/Thread-555-an...r-circuits
04-08-2012, 09:58 AM
555 Timer
555Timer.ppt (Size: 2.45 MB / Downloads: 495) This presentation will Introduce the 555 Timer. Derive the characteristic equations for the charging and discharging of a capacitor. Present the equations for period, frequency, and duty cycle for a 555 Timer Oscillator. Going Further…. Detail the operation of a 555 Timer Oscillator. Derive the equations for period, frequency, and duty cycle for a 555 Timer Oscillator. What is a 555 Timer? The 555 timer is an 8-pin IC that is capable of producing accurate time delays and/or oscillators. In the time delay mode, the delay is controlled by one external resistor and capacitor. In the oscillator mode, the frequency of oscillation and duty cycle are both controlled with two external resistors and one capacitor. This presentation will discuss how to use a 555 timer in the oscillator mode. Capacitor A capacitor is an electrical component that can temporarily store a charge (voltage). The rate that the capacitor charges/discharges is a function of the capacitor’s value and its resistance. To understand how the capacitor is used in the 555 Timer oscillator circuit, you must understand the basic charge and discharge cycles of the capacitor. |
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