This Simple Water Level Indicator Circuit using IC ULN2004 work like small helpers for our water tank; as it uses one special chip named as ULN2004 to control many things together. This chip can work with big electricity but here it only control lights, the lights show how much water is inside the tank. So […]
Automation Circuits
Simple 220V Time Delay Switch Circuit with Triac
Think this circuit is like a smart switch for our home things which wait for some time before power comes. This Simple 220V Time Delay Switch Circuit with Triac work like power button but it does not gives power fast, but it waits for little time and then gives power to light, fan or motor. […]
Water Level Indicator Circuit with Digital Display
No need to check water with normal stick, because this Water Level Indicator Circuit with Digital Display use sensor to check water level. Then it show number from 0 to 9 on small screen, like mini calculator; so we can always see what level the water is in the tank. Hence, with this circuit, there […]
Simple Entrance Alarm Circuit
This Simple Entrance Alarm Circuit protects a door or entryway; it produces a loud sound when someone passes through an invisible IR light beam. Furthermore, it works good at day and night by not giving much wrong alarm; also the circuit is simple and good for hobby people during nighttime. Circuit Working: Parts List: Components […]
Smoke Alarm Circuit
To begin with, this smoke alarm circuit works like a house with a sensitive “nose,” because it detects smoke in the air and when it senses smoke, it immediately triggers a loud alarm. In addition, the alarm can be a buzzer, a blinking light or any other alert device that activates to warn people. Furthermore, […]
Automatic Night Lamp Circuit using IC 555
To begin with, this Automatic Night Lamp Circuit using IC 555 works like smart switch for night light, it also 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 and then when morning comes and […]