Treble Booster circuit using IC-741
t is Treble Booster circuit help give the sound of music that you listens to bright go up. it is cheap, easy to build because a few pats with IC-741. Read more
TDA2822 stereo amplifier circuit with pcb & datasheet
People like TDA2822. Me too. Why? Dual Amplifiers in one. Power watts at 1W + 1W at 4 ohms speakers. Is it enough? Read more
CD4011 Oscillator circuit with inverter gates
Here is the tone generator circuit,it is small size. I use IC digital CMOS 4011 quad NAND gate. Read more
24 LED Decorative light circuit using NOT Gate
I am going to show you, LED Decorative light circuit. Do you like a LED blink or running light? I like a circuit like this. Although you will do not build it now. But it also a good teacher, right? If you have ever been to use a LED flasher. Some may wonder how the … Read more
Simple 3.3V Power Supply circuit @ 1A for Digital
If you would like to build Simple 3.3V Power Supply circuit for digital micro controller or esp8266. This circuit may be one way for you. It can power current at 1A maximum. We normally use common electronics parts, so easy and cheap. Read more