A simulated blinking LED circuit using an astable multivibrator a.k.a "flip-flop" as a square wave generator.

A simulated blinking LED circuit using an astable multivibrator a.k.a "flip-flop" as a square wave generator.

A simulated blinking LED circuit using an astable multivibrator a.k.a "flip-flop" as a square wave generator.

A simulated blinking LED circuit using an astable multivibrator a.k.a "flip-flop" as a square wave generator. It also includes PCB layout of the project.

A simulated blinking LED circuit using an astable multivibrator a.k.a "flip-flop" as a square wave generator. It also includes PCB layout of the project.

A simulated blinking LED circuit using an astable multivibrator a.k.a "flip-flop" as a square wave generator. It also includes PCB layout of the project.

Fire Alarm circuit project, a thermistor works as the heat sensor. When temperature increases, its resistance decreases, and vice versa. Fire Alarm system works off a 6V-12V regulated power supply. Timer IC NE555 (IC1) is wired as an astable multivibrator oscillating in audio frequency band.