This Roulette Wheel of Fortune Circuit help us make fun game like small roulette wheel of luck! When game start ten lights blink all in random way. Lights keep changing until only one light stays ON. That one is a winner! We never know which light stay ON so thee is always surprise when we […]
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Simple Day Night Activated Switch Circuit using a Triac and LDR
Simple Day Night Activated Switch Circuit using a Triac and LDR show how to make circuit which turns ON and OFF things by seeing outside light. We only need one light sensor (LDR), one resistor, one capacitor and one special switch called Triac. This circuit are used many time for alarm it turns ON light […]
Simple USB Lamp Circuit
This small and Simple USB Lamp Circuit show how to make as easy night light using USB port from computer or laptop. To make this only few parts are needed: USB plug like one on phone charger. One LED it gives small light and does not use much power. One resistor it control how bright […]
Simple Triac Flasher Circuit
This article for Simple Triac Flasher Circuit show how to make one circuit to turn lightbulb ON and OFF. We can use one knob to change how fast light blinks from maybe two to ten times in one second. This is an simple and easy to make circuit for beginners, but safety is always needed […]
Simple 220V AC Light Dimmer Circuit
This post teaches how to make Simple 220V AC Light Dimmer Circuit for home lights. With this dimmer we can make light more or less bright by turning off current slowly. Working with high voltage is not safe. Good electrician should fix this in house and only do if big person is watching. New people […]
Neon Tube Flasher Circuit
Neon light look very nice but it needs much electricity to work. This Neon Tube Flasher Circuit show how to make special circuit to turn ON and OFF neon light using small battery with low voltage DC. WARNING: Making high voltage circuit can be dangerous. Do this only when adult are watching. What is a […]