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LM3914 LM35 electronic thermometer circuit diagram project

Using the LM3914 and LM35 temperature sensor can be designed various electronic thermometer projects . The LM35 series are precision integrated-circuit temperature sensors, whose output voltage is linearly proportional to the Celsius (Centigrade) temperature.
The LM35 electronic thermometer does not require any external calibration or trimming to provide typical accuracies of ±1⁄4°C at room temperature and ±3⁄4°C over a full −55 to +150°C temperature range.
The LM35’s low output impedance, linear output, and precise inherent calibration make interfacing to readout or control circuitry especially easy. It can be used with single power supplies, or with plus and minus supplies. As it draws only 60 μA from its supply, it has very low self-heating, less than 0.1°C in still air.

Electronic Circuits: 
Circuit Diagram: 
LM3914  LM35 electronic thermometer circuit diagram project

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