Posted inControls & Timers
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.
Posted inControls & Timers
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…
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…
Posted inControls & Timers
Automatic Fan Controller circuit
This is automatically fan controller for heatsink. when it hot so the fan controlled to high speed. it use LM334z as temperature sensor that is accurate. [...]
Posted inControls & Timers
Automatic night light circuit using SCR
This automatic night light circuit to controls power on-off in home. If daytime stop working circuit. But at night will working electrical AC 220 volts. [...]