LM35 with Arduino | Temperature Sensor | SdevElectronics

In this Tutorial, we'll see about How to interface LM35 Temperature Sensor with Arduino & demonstration.

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#SdevElectronics #Arduino #LM35

[KshitijBhatnagar]

Your formula to calculate temperature is bit wrong. It has to be "float millivolts= (rawvoltage/1024.0) * 5000; ". As lm35 is of 5 volt, you need to multiply it with 5000. and its output ranges from 1024. So dividing with same.

[prasad]

Ur explanation was so gud ... But I have a doubt ..there r 4 types of temperature sensor right ... So thermocouples for measuring water state nd liquid state thermistor ... In this vedio u measured a solid state so which type of temperature sensor it is...?? Plz respond

[j.r.scaryy]

Hello there. Your video is very informative. I have a question. Is there a way to code an alert in difference of temperature change, for example, when the temperature increases or decreases within 5 degrees?

[waynetities]

Please brother I need an answer for my project, when you connected the wire to a certain points to arduino 3 can you tell me which one? And also for the temperature sensor

[binaryprotrader]

this is good, can this lm35 be used to determine the cooling temperature of a fridge or 1horse power A/C?

[dineshs]

Actually the code is not in the description and it's not in link too that you have uploaded

[roberthoegg]

I like this circuit, can it be reversed to show red with low temperature instead ? I want to use it to show if the heat isn’t working !

[MatsMatsuo]

i'm having some problems, i don't know if my arduino is not working, or the sensor, it's my first time testing both, but the monitor shows numbers that keep increasing and then decreasing the value, even when the sensor is not connected in the Analogic output,

[abdulhamityasar]

Hi,
can i make the same princip with a NTC resistor instead of LM35?
If yes, can i make it with 5 NTC‘s during the same time?
Many Thanks in advance fot help and reply.
Best regards

[JhelumMusic]

My sensor beacomes too hot and shows value more than 200 in the output. Can you help me with this ?

[arifahzulfah]

thank you for this beneficial video. i have a question, why when i hold the lm35, the temperature becomes 0? isn't it supposed to be body temperature, 37?

[liana]

Hey, can I use 10k or 220 resistor instead of 100k ? I just dont have 100k resistor

[sologrind]

When I powered my arduino with a 9v external power supply adapter, the reading temperature every sec is not stable, it fluctuates from 32, to 19, to 22, to 27 so on.. please help

[F.tm-uc]

explain this to us brother this part of the programming(float Imvalue analogRead (LM35);

10 float tempr (lmvalue 500)/1023;) we have a project on this
And thanks for help🎉🎉🎉

[GappleXD]

is there a library for this? because when I inserted the sensor the Arduino turns off please help.

[izzulhanif]

Hi, I just wanted to ask you..how can I change the temperature?? Like I want to set it 35°C and when it hit 35°C the buzzer will on...

[MasterKoala]

Thank you, this tutorial was awesome. :)

[i.salimismail]

Nice. Can we use two LM35 connected to two analog pin (A0, A1) to read the temperature of an AC room and a NON_AC room? When I try that, the second sensor gives erranious reading. Please help me to know the reason. Thankyou.

[sitinurbaya]

hi can I know to which pin did you connect the blue wire? appareciate the help.

[ISNLFN]

sir i have have a problem my value decreases when i rise the temperature near lm35 ...what should i do in code kindly tell this.