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## LM355 DATASHEET PDF

The LM series are precision easily-calibrated integrat- ed circuit temperature sensors Operating as a 2-terminal zener the LM has a breakdown voltage. lm are available at Mouser Electronics. Mouser offers inventory, pricing, & datasheets for lm Data sheet, LM manual, LM pdf, LM, datenblatt, Electronics LM, alldatasheet, free, datasheet, Datasheets, data sheet, datas sheets, databook. Author: Kazijora Fausar Country: Mozambique Language: English (Spanish) Genre: Business Published (Last): 17 October 2004 Pages: 493 PDF File Size: 9.92 Mb ePub File Size: 2.86 Mb ISBN: 701-4-67195-522-3 Downloads: 8794 Price: Free* [*Free Regsitration Required] Uploader: Arakasa So if the LM is giving an output reading of 2. Once we have dayasheet ratio, we then multiply it by to give the millivolt value.

As a temperature sensor, the circuit will read the temperature of the surrounding environment and relay this temperature to us back in degrees Kelvin.

So to get the degree value in fahrenheit, all that must be done is to take the voltage output and divide it by this give out the value degrees in fahrenheit. This is the datasheet of the LM IC: Lm535 attach this pin to analog pin A0 of the arduino board.

## How to Build a LM335 Temperature Sensor Circuit

All we must do is write this code and upload it to the arduino to convert this kelvin temperature into fahrenheit and celsius.

We can use any type of arduino board. We get the ratio of the raw value to the full span of and then datsheet it by to get the millivolt value. We can now write code in the processing software to give instructions to the arduino. In this project, we will demonstrate how to build temperature sensor circuit using a LM sensor. The type B side of the connector goes into the arduino and the type A side into the USB port of the computer.

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This is because there is millvolts datasbeet 5 volts. This allows us to calibrate the temperature sensor if we want a more precise temperature datashset. The raw voltage over this value therefore represents the ratio of how much power the output pin is outputting against this full range. The arduino, with suitable code, can then interpret this measured analog voltage and output to us the temperature in degrees Kelvin, Celsius, and Fahrenheit.

It is divided by because a span of occupies 5V. Pin 3 is the ground pin and connects to the ground GND terminal of the arduino.

The IC has just 3 pins, 2 for the power supply and one for the analog output. The arduino will then read this measured value from the LM and translate into degrees kelvin, fahrenheit and celsius, which we will be able to read from the computer from the arduino serial monitor.

The output pin provides an analog voltage output that is linearly proportional to the fahrenheit temperature. So, for example, if the output pin, pin 2, gives out a value of mV 0. This is so that we can hook our arduino to a computer and send it code that it can run to display to us the temperature. Pin 2 gives an output of 1 millivolt per 0. All you have to do is take the output reading and divide it by 10 in order to get the temperature output reading. All 3 are calibrated different to output the millivolt voltage reading in proportional to these different units of measurement. This is ideal because the arduino’s power pin gives out 5V of power. We will integrate this with the arduino to measure the temperature.

This will be the raw value divided by times Since the output pin can give out a maximum of 5 voltsrepresents the full possible range it can give out.

### LM35 Temperature Sensor – Datasheet & Pin Diagram

Pin 1 is the Adjustable Pin Adj. The difference between an LM and LM34 and LM35 temperature sensors is the LM sensor gives out the temperature in degrees Kelvin, while the LM35 sensor gives out the temperature in degrees Celsius and the LM34 sensor gives out the temperature in degrees Fahrenheit. Before we can get a Kevlin reading of the temperature, the analog output voltage must first be read. Now the computer is connected to the arduino. The code is shown below. 