This post presents circuit which generates the Tick-Tick sound through the speaker. Circuit is based on 555 timer which works in astable mode to produce a square wave output. This means the output continuously toggles between on and off states.
|1.||Power supply (9V)||1|
|5.||10μF electrolytic capacitor||2|
|6.||10nF ceramic capacitor||1|
The frequency of Tick-Tick sound depends on values of R1 resistor and C1 capacitor.
Circuit is designed on a breadboard.
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