This is a simple LED Vu meter circuit based on the LM3914 IC. You can use either the LM3914 or the LM3915.The difference between the t...
7446 seven segment decoder driver circuit diagram
4 ideas of simple door buzzer circuit diagram | ElecCircuit.com
Door buzzer sound circuit using CD4001-CD4060
PCB Layout Design - Image download
share PCB Power Amplifier, Tone Control Speaker Protector, etc. You can see all about PCB Design of all around the world here:
PCB Layout Design - Image download
PCB Tone Control Transistor MONO
Burglar alarm Circuit using IC 555 - Gadgetronicx
IC 555 alarm circuit homemade burglar alarm circuit you can do by your own.IC 555 timer using as astable multivibrator and it was used as a burglar alarm.