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Sensors electronic circuits design projects

Sensor based electronic circuits design projects and schematics

Ice warning and lights reminder circuit diagram project

This ice warning and lights reminder electronic project circuit diagram is designed using common electronic parts .
This ice warning and lights reminder electronic project circuit diagram will tell a driver if his lights should be on and will warn him if the outside temperature is nearing zero by lighting a LED and sounding a buzzer .

Circuit Diagram: 
Ice warning and lights reminder circuit diagram project
Electronic Circuits: 

Touch switch circuit diagram with transistors

This electronic touch switch circuit is based on two transistors an can activate a relay , when the touch sensor is pressed .
The touch sensor can be constructed using a small piece of a printed circuit board ( two small tracks with a 2 mm distance between each other ) .

Circuit Diagram: 
Touch switch circuit diagram electronic project using transistors
Electronic Circuits: 

Smoke Detector circuit diagram using SD2 IC

This smoke detector circuit diagram is based on the SD2 CMOS Photo-Electric Smoke Detector Integrated Circuit manufactured by Supertex INC and include almost all needed components to build a very simple and high efficiency smoke detector project .

Circuit Diagram: 
Smoke Detector circuit diagram using SD2 IC
Electronic Circuits: 

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