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Questions tagged [temperature]

The tag has no usage guidance.

0
votes
1answer
93 views

Nan values in Egg Incubator

I've recently built my Arduino Incubator, which consists of a DHT22 sensor, an LCD Keypad Shield, some fans, resistors, e.t.c. I uploaded the sketch, and everything seemed fine. However, when I try ...
-1
votes
1answer
42 views

Learn Arduino Basics : Temperature sensor with LCD Display and Potentiometer setup [closed]

I have temperature sensor, potentiometer and LCD screen attached to mini breadboard and wired to an Arduino. My temp sensor appears to be working fine however sometimes it reads inaccurate numbers ...
0
votes
2answers
90 views

7 segment display blinking

i'm not a professional in arduino code, when i want to display the DHT22 temperature and humidity sensor in 3 digit 7 segments , always the display show the sensor value and after 2 or 3 sec the ...
-1
votes
1answer
34 views

Adjustable temperature [closed]

How can I make a project where I can adjust a temperature with buttons and a display and if the temperature is higher than that I set, a led turn on ?
0
votes
0answers
83 views

Arduino shuts off randomly (Temperature?)

I've got an Arduino Uno running in a case, with a Fona 808 shield from Adafruit on top. It's used as a location tracker; it'll get the current GPS location three times a second, then send the average ...
0
votes
1answer
245 views

LMT 84 temperature sensor measurement error

I want to measure atomospheric temperature with arduino sensor i am using is LMT84. data sheet :http://www.ti.com/lit/ds/symlink/lmt84.pdf After uploading following code to arduino board i am ...
-1
votes
1answer
117 views

I keep getting an error message and I don't know how to fix it

I am using an Arduino Genuino, this is what comes up Multiple libraries were found for "LiquidCrystal.h" Used: /home/user/Arduino/libraries/LiquidCrystal Not used: /opt/ArduinoIDE/libraries/...
1
vote
1answer
277 views

Temperature control using a DHT11

I am trying to do a project on temperature control and found an example but cannot get the code to work. I have read forums and tried to fix the issue which is below the code. Code: #include<DHT....
6
votes
2answers
980 views

Fluctuating readings of LM35 temperature sensor (+- 5°C) with Arduino UNO

I am trying to read a LM35 temperature sensor with Arduino UNO which I got as a gift. The issue is the fact, that my readings of sensor are, well, suspicious at least - they jump with each reading ...
2
votes
2answers
173 views

Merging arduino code

I have a project where we need to create a virtual cane for blind people and it will have 3 functions: Pressure button when pressed will connect to an android phone through HC-06 Bluetooth modulo to ...
0
votes
2answers
376 views

2 sensors, add delay between each reading

I have two temperature sensors, an MCP9808 and a DS18B20, connected to an arduino and I've read that it could be advantageous to set a small delay between temperature readings. What I wonder is where ...
1
vote
0answers
42 views

Different behavior when Arduino Micro powered by laptop USB vs portable charger USB

I'm working on a project that uses an LM35 temperature sensor to control a few LEDs. Above 97 degrees, one LED should switch on. Below 95 degrees, it should switch off and the other should switch on. ...
1
vote
1answer
55 views

Lifespan of a hot microchip [closed]

I'm currently building my own Home Automation System with a bunch of Arduinos and Relais, all of them wired to Ethernet "Shields". The casing I am printing on a 3D printer. The Arduinos work great ...
0
votes
2answers
1k views

High Precision Temperature Sensor LMT70 connection to arduino mega

How can I connect an LMT70 temperature sensor (4Pins) to Arduino Mega board for atmospheric temperature measurement. LM35 sensor has got only 3 pins and connections are known. But LMT70 high precision ...
0
votes
0answers
644 views

LM35 gets very hot

I tried to connect a LM35 according the 'instructables' http://www.instructables.com/id/Arduino-Temperature-Sensor-Interfacing-LM35-THE-EA/step2/Setting-up-the-Arduino-with-temperature-sensor/ I ...