### 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: Gumuro Tagrel Country: Jamaica Language: English (Spanish) Genre: Automotive Published (Last): 13 January 2018 Pages: 144 PDF File Size: 18.87 Mb ePub File Size: 12.5 Mb ISBN: 706-4-77116-719-2 Downloads: 92195 Price: Free* [*Free Regsitration Required] Uploader: Zulum Pin 1 is the Adjustable Pin Adj. The arduino, with suitable code, can then interpret this measured analog voltage and output to us the temperature in degrees Kelvin, Celsius, and Fahrenheit.

The code is shown below. Once this analog voltage in millivolts is calculated, we then can find the temperature in kelvin by the equation: Temperature Sensor Circuit The temperature sensor circuit we will build is shown below: We can use any type of arduino board.

We can now write code in the processing software to give instructions to the arduino. So you circuit connections are: Since the output pin can give out a maximum of 5 voltsrepresents the full possible range it can give out. The type B side of the connector goes into the arduino and the type A side into the USB port of the computer. We can then easily convert this value into fahrehnheit and celsius by plugging in the appropriate conversion equations.

Pin 2 gives an output of 1 millivolt per 0. This is ideal because the arduino’s power pin gives out 5V of power. So, for example, if the output pin, pin 2, gives out a value of mV 0.

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

## View lm355 datasheet:

We get the ratio of the raw value to the full span of and then multiply it by to get the millivolt value. So if the LM is giving an output reading of 2.

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. You can adjust this value to meet your personal preference or program needs. Once we obtain this Celsius value, we can convert into Fahrenheit with the following equation: 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. All we datashet do is write this code and upload it to the arduino to convert this kelvin temperature into fahrenheit and celsius.

### LM Datasheet, PDF – Alldatasheet

Pin 3 is the ground datxsheet and connects to the ground GND terminal of the arduino. Pin 2 is the output pin. This allows us to calibrate the temperature sensor if we want a more precise temperature readout.

This is the datasheet of the LM IC: 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 ml355 temperature in degrees Fahrenheit. It is divided by because a span of occupies 5V.

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The output pin provides an analog voltage output that is linearly proportional to the fahrenheit temperature. All you have to do is take the output reading and divide it by 10 in order to get the temperature output reading. Once we have this ratio, we then multiply it by to give the millivolt value. Below is the pinout of the LM IC: The IC has just 3 pins, 2 for the power supply and one for the analog output. All 3 are calibrated different to output the millivolt voltage reading in proportional to these different units of measurement.

So to get the degree value in fahrenheit, all that must be done is to take the voltage output and datasueet it by this give out the value degrees in fahrenheit. This is because there is millvolts in 5 volts. Before we can get a Kevlin reading of the temperature, the analog output voltage must first be dataeheet. This translates into the circuit schematic: We attach this pin to analog pin A0 datasheft the arduino board.

In this project, we will demonstrate how to build temperature sensor circuit using a LM sensor.

This output reading of The raw voltage over this value therefore represents the ratio of how much power the output pin is outputting against this full range. Now the computer is connected to the arduino.