This is the circuit diagram of drinking water alarm based a small water sensor by using aluminium foil and plastic…
This is a really simple smoke alarm circuit design. The circuit consists of two important modules that are sensor module…
Here the circuit design of vibration sensor alarm. Initially, when power switch S1 is flipped to "on" position, power indicator…
This is a simple and low cost dew sensor circuit that can be used to switch off any gadget automatically…
This is the simple circuit of proximity infrared detector, proximity sensor based infrared. The applications of this circuit are the…
Here is the simple and low cost light alarm circuit built using timer IC 555 as the sound generator and…
This is the circuit diagram of car parking guard based IR sensor to detect the distance between car bumper and…
This is the electronic circuit diagram of aquarium temperature probe capable to monitor the temperature of water and indicate the…
This is the ultrasonic distance detector or sonar ranging system which can be used for general purpose. There are kit…
This is the circuit diagram of 230V automatic night lamp based photo resistor to sensing the light environment. When the…