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
Simple Brake light flasher circuit
This car led flashing lights project is installed in automotives, to modify brake light flasher circuit. Using a small number of pieces of equipment, so it is easy to build, consists of CMOS IC and power transistors, etc. The rear brake light is warning lights to the behind car. Add Caution while tracking. This flashing … Read more