This Header Tank Water Level Controller Circuit control water level in header tank. It stops motor when tank is full and start motor when tank is empty. It saves water and save electricity. There is no need to watch tank every time. Circuit works automatic with sensor in tank. Circuit Working: Parts List: Category Description […]
Motorcycle LED Turn Signal Indicator Circuit
In this post for Motorcycle LED Turn Signal Indicator Circuit the LED flashes with chasing effect, instead of old bulb type. IC 555 works like oscillator and gives flashing signal. Circuit Working: Parts List: Category Description Quantity Resistors 390Ω 1/4 watt 5 10k 1/4 watt 5 4.7k 1/4 watt 3 Capacitors Electrolytic 100μF 25V 2 […]
Stop Dog Barking using IC 555 Circuit
Basic H-bridge PWM circuit uses IC 555 which helps to control dog barking and stop it. Main part is ultrasonic tweeter. It work with two IC 555 and four driver transistors. Circuit Working: Parts List: Category Description Quantity Resistor 1k 1/4 watt 1 Potentiometer 100k 1 Capacitor Ceramic 1nF 1 Semiconductors IC 555 2 Transistors […]
H-Bridge PWM Driver Circuit using IC 555
H-Bridge PWM Driver Circuit using IC 555 controls DC motor speed and direction. In this circuit no driver transistors are used. Motor connect direct to two IC 555. Motor speed and direction can change. We can only use two IC 555 to control the motor. This circuit is easy to make and is used for […]
Simple Fade On Fade Off LED Circuit
Simple Fade On Fade Off LED Circuit makes LED turn ON and OFF slowly, but not suddenly. It is also called a dimming circuit with fade effect. It looks smooth and nice to eyes. Circuit Working: Parts List: Category Description Quantity Resistors 100k 1/4 watt 3 1Ω 0.5W (or 8.2Ω depending on LED color) 1 […]
Simple Traffic Signal Lights Circuit using IC 555
This project is Simple Traffic Signal Lights Circuit using IC 555. It uses 555 IC and LEDs to show traffic signal lights in sequence. The circuit is simple to build and parts are easy to find. Circuit Working: Parts List: Category Description Quantity Resistors 470Ω, 100k, 47k 1/4 watt 1 each 220Ω 1/4 watt 2 […]