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Circuit detectors and sensors based electronics projects

Circuit detectors and sensors based electronics projects like: metal detectors circuits, smoke detectors circuit, water detector circuit, light detector and other based sensors projects.

Temperature fan speed controller using LTC2997

A very simple electronic temperature fan speed controller circuit can be designed using this schematic circuit diagram . This temperature fan speed controller electronic project is designed using Linear Technology electronic parts and is very simple , requiring few external electronic components. This electronic project use the LTC2997 single remote temperature sensor which provides a precise and versatile micropower solution for accurate temperature sensing .

Circuit Diagram: 
Temperature fan speed controller schematic circuit diagram electronic project

ICL7106 electronic thermometer with LCD display

A very simple electronic thermometer with LCD display can be designed using the ICL7106 circuit .

Circuit Diagram: 
ICL7106 electronic thermometer with LCD display electronic project schematic

UM3561 alarm project circuit

Using the UM3561 integrated circuit can be designed various alarm systems using few electronic parts . This UM3561 alarm electronic project require few electronic parts and is powered from a simple 3 volts dc power supply , you can use a single cell 3 volt battery or 2 1.5 volt DC battery .
T1 transistor enables supply to the sound generator IC when the base current starts following trough it .

Circuit Diagram: 
UM3561 alarm project circuit diagram electronic project

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