Simple electronic fuse circuit
It can be used to replace conventional fuses. Because it’s comfortable not need to replace the fuse every time the power too over. This circuit use transistors so simple and low cost. Read more
Analog signal selector switches Circuit
This is Analog signal selector switch. Do not waste time, choose the input method with interchangeable input cables. But press the input selector switch, as you like. Easy and cost effective alternative is Input selection switch. With features the optional four-channel signal input. and volume to Increase or decrease the signal. In the event that … Read more
Sound level meter circuit using LB1409
This project is a sound level meter circuit that easy and very cheap, can drive 9 LED display,The LB1409 is used as base of this circuit makes small size. Read more
How to use TL497 Switched mode power supply
How to use TL497 as the switched-mode power supply schematic that outputs a current of 500mA, and there are 3 models: step down, step-up, and inverting voltage converters. Now, a switching power supply is highly popular. We are used to suggesting a lot of projects. Those who want the switched-mode power supplies that have small … Read more
74HC4066 Quad analog switch CMOS Datasheet and example circuits
What switches is in In digital? 74HC4066 is a good answer. Most people use them. Why? The 4066 is a high-speed CMOS Quad Logic Chip. Which containing with silicon gate Cmos technology. To use as analog switches. They can turn ON or OFF with external logic signals. See inside 74HC4066 or 4066. It consists of … Read more