LM555

Wailing Alarm Siren

Here is the wailing alarm siren circuit diagram: Components List: R1,R5___________ 4.7K R2______________ 47K R3______________ 10K R4______________ 100K Rx______________ *see…

55 years ago

Basic Monostable Multivibrator based IC timer 555

The following diagram is the circuit diagram of basic monostable multivibrator based IC timer 555. This circuit uses only 4…

55 years ago