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Sensors electronic circuits design projects

Sensor based electronic circuits design projects and schematics

Ionization smoke detector circuit using A5367

A very simple Ionization Smoke Detector with Interconnect and Timer alarm circuit can be constructed using the A5367 low-current, CMOS circuit that provides all of the required features for an ionization-type smoke detector.

Circuit Diagram: 
ionization smoke detector circuit diagram
Electronic Circuits: 

UM3561 high temperature detector circuit diagram

This heat detector alarm electronic project is designed using the UM3561 sound generator circuit and some other common electronic parts . This heat detector circuit project uses a complementary pair comprising npn and pnp transistor to detect heat .
T3 and T4 transistors connected in darlington configuration are used to amplify the audio signal from the UM3561 ic .

Circuit Diagram: 
UM3561 high temperature detector circuit diagram
Electronic Circuits: 

Smoke detector alarm circuit with RE46C140

This Smoke detector alarm circuit with is designed using RE46C140 and few external electronic components. The RE46C140 IC is a low power CMOS photoelectric type smoke detector circuit that will provide all the required features for a photoelectric type smoke detector project .

Circuit Diagram: 
Smoke detector alarm circuit with RE46C140
Electronic Circuits: 

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