This is a 220V LED flasher circuit which is intended as a reliable replacement to thermally-activated switches used for Christmas…
Here's the 3V lamp brightness controller circuit diagram used to control the brightness of the light bulb. You simply use the…
This is a motor speed controller circuit diagram built based MAX4295 from Maxim. By using this circuit, you will be…
Here is the wailing alarm siren circuit diagram: Components List: R1,R5___________ 4.7K R2______________ 47K R3______________ 10K R4______________ 100K Rx______________ *see…
This is a very easy and simple LED flasher with only three components: a flasher IC LM3909, a LED indicator…
This is the sound generator which will simulate British police car siren. The circuit is built using 2 pieces of…
This is the circuit of LED color fade effect. Just like the name of the circuit, the light intensity of…
This is running LEDs circuit which use timer ID NE555N and logic IC 4017N. IC 555 act as a multivibrator…
This is a sound generator based on general purpose timer IC 555. A flip-flop circuit is included, so this circuit…
Turn on and turn off your electrical devices using touch switch, so you can "play" your electronic devices more fun..…