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 […]
LED and Lamps
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 […]
How to Illuminate 18 LEDs from a 3.7V Battery
In this post for How to Illuminate 18 LEDs from a 3.7V Battery we need to power 18 LEDs with 3.7V battery like a small light party! To light all LEDs well we need smart plan. We have to make small LED groups and connect in clever way. Use series in line and parallel in […]
Buck Converter Circuit for 1 Watt LED Driver
Imagine we have a strong water hose of 12V, but plant need soft sprinkle with 3.3V to 3.5V. Buck Converter Circuit for 1 Watt LED Driver is like adapter for hose. It makes pressure low and is good for plant. It also control water flow like current, so plant do not get too much of […]
Simple 1.5V White LED Driver Circuit
Simple 1.5V White LED Driver Circuit is like power translator. It takes power from battery and changes it to right voltage and current for LED. This helps LED shine bright and safe. Without driver LED may be dim or may burn. Circuit Working: Parts List: Category Description Quantity Resistors 33k, 470Ω (1/4 watt each) 1 […]
Simple 1.5V White LED Flasher Circuit
This Simple 1.5V White LED Flasher Circuit uses few parts to make white LED blink ON and OFF again and again. It is an easy project and is good for beginners. Fun to play with blinking light with no need with hard design. Circuit Working: Parts List: Category Description Quantity Resistors 2.7k, 330Ω, 47Ω (1/4 […]





