Think about small switches they only do “ON” or “OFF”. Simple Flip Flop Circuit is same like that but for electronics. It stay in two state like 0 or 1. This small switch very important it can remember stuff, keep data and help control what happen next like timing and by coordinating things. We can […]
Simple Entrance Alarm Circuit
This easy and Simple Entrance Alarm Circuit is made to protect door or way where people enter. It makes loud sound when someone walk through invisible IR light. It works good at day and night by not giving much wrong alarm. The circuit is simple and good for hobby people during nighttime. Circuit Working: Parts […]
Smoke Alarm Circuit
This Smoke Alarm Circuit is like house that has got a big nose. This circuit smells smoke in air and if smoke come it make loud alarm sound. Alarm can be buzzer, blinking light or it can be other alarm to start also. Smoke detector can work in different way one can use small light […]
Battery Charger Circuit using a Solar Panel and 220V Supply
This smart Battery Charger Circuit using a Solar Panel and 220V Supply charges the battery using sun and normal electricity. During daytime solar panel take sunlight and charge the battery. No worry if sky is cloudy or if it is night time it also uses normal 220V electricity to charge. Also it has hot backup […]
Automatic Night Lamp Circuit using IC 555
This Automatic Night Lamp Circuit using IC 555 works like smart switch for night light. It have one special light sensor called LDR to check how much light is outside. When night come and outside become dark the circuit turns ON the lamp by itself. Then when morning comes and light comes back it turn […]
Simple Servo Motor Controller Circuit
Think about a motor which is very special. It can turn to be very exact, this small circuit is like a brain. It tells motor how much to turn using small electric pulses. Long pulse motor move more then the short pulse motor move less. We can say it what to do like move robot […]