This is simple circuit that we makes in hobby time or toys for my son but really uses. It will have sound alarm when morning like a normal clock alarm with lighting sensor same clock. We use a IC-4011 CMOS only one and a few components also can generate pulsating tone like a general clock.
How This Circuit works.
As Figure 1 This circuit use the IC-4011 quad nand gate as main of circuit, it includes for separate positive logic nand gate on a single silicon chip. In circuit diagram consist of an oscillator circuit in astable multivibrator 2 set.
First set include of IC1a and IC1b, then second set include of IC1c and IC1d
How This Circuit works.
As Figure 1 This circuit use the IC-4011 quad nand gate as main of circuit, it includes for separate positive logic nand gate on a single silicon chip. In circuit diagram consist of an oscillator circuit in astable multivibrator 2 set.
First set include of IC1a and IC1b, then second set include of IC1c and IC1d
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