The Simplest Circuit

Every room has a noise level,you can detect the noise level of your room with noise room detector. You can see the series of noise detector ...

All LEDs give off light of a particular colour but some LEDs are also able to detect light. Obviously they are not as good as a device that ...

Electrical Schematic Symbols: Electrical circuit schematic symbols are graphical sign, that is used to design electronic, electrical circui...

If you really want to have classical staircase switch with push to switch on from one place and off from another place, here you have more c...

50MW Audio Amplifier circuit The following is a small audio amplifier comparable to what you may come across a small transistor radio medium...

After several requests of the correspondents, the decision to design a headphone amplifier 9V power was finally taken. The main requirement ...

Amplification is the method of increasing the amplitude of a AC signal current or voltage such as audio signal for sound or video signal for...

Signals when an on-circuit battery is exhausted 5V to 12V operating voltage A Battery-status Indicator circuit can be useful, mainly to mon...

This is a slightly simpler circuit than the one above. The circuit uses just one resistor and one capacitor with the 555 timer IC to create...

LA4440 is a dual channel audio amplifier IC. It can be used in two modes; one is Stereo amplifier and another Bridge amplifier mode. The LA...