20 Band Graphic Equalizer
Here the 20 band graphic equalizer schematic diagram. This is stereo graphic equalizer, it should be 2x10 channel equalizer. Graphic…
3V-30V/3A Adjustable Regulated Power Supply
The circuit diagram of 3V-30V/3A adjustable regulated power supply. This is an adjustable and regulated power supply with stabilized DC…
Running LEDs
This is running LEDs circuit which use timer ID NE555N and logic IC 4017N. IC 555 act as a multivibrator…
70W High Power Amplifier with MOSFET
Here the schematic diagram of 70W power amplifier with MOSFET for your audio system. There are possible alternative input stage…
2x10W Audio Amplifier with TDA2009A
This 2x10W audio amplifier circuit power output will be 10 watt on each channel with 4 ohm speaker resistance. The…
Pre-Amp + Tone Control with TDA1524A
This is a low noise and distortion pre-amplifier and tone control circuit in one module. Using a special IC TDA1524A,…
Sound Generator with IC 555
This is a sound generator based on general purpose timer IC 555. A flip-flop circuit is included, so this circuit…
18 Watt Audio Amplifier with HA13118
This is a 18 Watt audio amplifier circuit based on power IC HA13118. The supply voltage required for this circuit…
Touch Switch
Turn on and turn off your electrical devices using touch switch, so you can "play" your electronic devices more fun..…