This darkness detector circuit beeps when the light drops below a certain level.
The main elements of this circuit are the 555 integrated circuit, working as an astable multivibrator and an LDR which is used as darkness sensor.
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This darkness detector circuit beeps when the light drops below a certain level.
The main elements of this circuit are the 555 integrated circuit, working as an astable multivibrator and an LDR which is used as darkness sensor.