Make ones fish bowl bright and colorful by this Aquarium LED Lighting Circuit which work like tiny sun for fish tank. It have special LED lights that light up water. Some circuit are also smart enough. They can turn ON or OFF by self when room get bright or dark like day and night time. […]
Simple Contactless 220V Phase Detector Circuit using IC 4017
In this post we will see how to make Simple Contactless 220V Phase Detector Circuit using IC 4017 This small tool help to check wire or cable if current is inside or not without touching it. Very useful for electrician to find problem in big electric system. If current is there in wire the light […]
Backyard Lamp Circuit using IC CD4060
This Backyard Lamp Circuit using IC CD4060 works like smart switch for outside light. It uses one special sensor, LDR to know if it is day or night. When night comes circuit turn ON the backyard lamp by itself. Then morning comes with light again it turns OFF the lamp. It do this with a […]
Simple Shadow Detector Security Alarm Circuit
This Simple Shadow Detector Security Circuit is like one guard with very sharp eyes. It uses one light sensor like photodiode to look shadow in one place. If something stop the light and make shadow then the circuit think someone is there and start an alarm. Alarm can be loud sound, blinking light or something […]
Simple Storm Detector Circuit
Simple Storm Detector Circuit is like small weather magic in box. It can feel lightnings electric noise which shows storm is coming near. This circuit uses one antenna to catch small signal in air like small radio. But signal being weak it uses amplifier to make signal strong. Sometimes it also uses special filter to […]
Ultrasonic Security Alarm Circuit
Ultrasonic Security Alarm Circuit work like invisible wall for ones home. It uses very high sound wave like tiny squeaky noise which human ear can not hear it uses this to find the movement. Think like circuit sends sound wave then it waits to hear echo come back. If someone walk in the way and […]