In this post we are going to construct an automatic school bell system using the IC 4017 which can be programmed to activate an AC bell in regular intervals (between […]
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IC 555 Siren and Alarm Circuits
In this post we will learn how to configure IC 555 astable circuit to create various siren and alarm sound effect generator circuits The versatile astable multivbrator configuration of IC […]
Types of IC 555 Monostable Circuits
In this post we will learn how IC 555 can be used for making various types of monostable multivibrator circuits, such as one-shot type, debounce preventor, retriggerable type, and touch […]
Sawtooth Waveform Generator Circuit using IC 555
In a sawtooth waveform the voltage increases slowly in a slanting manner or diagonally, then as soon as it reaches the peak, the waveform voltage suddenly drops to zero. Once […]
IC 555 Oscillator Circuits
In this post we will learn how to build and optimize basic IC 555 oscillator circuits, whose waveforms can be further enhanced for generating complex sound effects. Overview The basic […]
10 Best Timer Circuits using IC 555
The circuits explained here are 10 best small timer circuits using the versatile chip IC 555, which generates predetermined time intervals in response to momentary input triggers. The time intervals […]