LM35 is a temperature sensor IC with a shape similar to the transistor. IC legs there are only three, namely to VCC, output, and GND.
This sensor can be used to measure the temperature of -55o - 150o Celsius. Based on the LM356 datasheet, then we can use the full measurement (-55 - 150o Celsius) or partial measurements that can only count on 2 - 150o Celsius. For the full measurement, then the circuit is basically as shown in Figure above, while for measurements in part, the circuit is basically as in Figure below.
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The basic circuit LM35 temperature measurement portion
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