Questions tagged [temperature]

This is for questions pertaining to the acceptable temperature ranges for the Pi and its respective parts.

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52 views

DHT 11 - Sensor with Raspberry Pi

OK, This is a little frustrating as I am JUST trying to get the temperature/Humidity readings on my DHT 11 sensor with Raspberry pi 4 and I am unable to do so. Please see below https://www....
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0answers
28 views

Can the GY-906 (meant for Arduino) be used on Raspberry? [duplicate]

I want to use a sensor to detect the temperature of a person. I have this sensor which is used for Arduino and I'm wondering if it can be used on the Raspberry Pi 4. Otherwise, what other choices do I ...
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1answer
45 views

Comfortable long-term operating temperature for Raspberry Pi 4B [closed]

I have a Raspberry Pi 4B 8GB running non-stop under a fairly mild load. Among other things, it serves a somewhat large PostgreSQL DB, but the mean CPU usage rarely exceeds 25%. There is a Low-Profile ...
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2answers
81 views

How I can control an AC 220v with a relay and a Raspberry Pi 3B [closed]

I'm a newbie in this topics. I love electronics and I love the power of the boards like Raspberry Pi and I want to learn to use it by myself learning in internet, but I have a lot of lacks of ...
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5answers
537 views

How much temperature is normal temperature for Raspberry Pi 4

I am running a haarcascade based face detection and face recognition on Raspberry Pi 4. The CPU temperature rises to 83-84C. So I have installed a heat sink and 5v pi fan. After installing this, I ...
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1answer
45 views

Do i need a fan, or will ventilation holes suffice?

this setup has not yet been completed. I'm only asking so I can order a fan if needed I plan on connecting the following elements directly to my pi4- relay(i think I'll need two) small LED with ...
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0answers
40 views

Raspberry Pi 4 fails to reboot

I have a raspberry pi 4 running Ubuntu server 18.04. I usually SSH into it and reboot the system. However, I noticed that some times the pi does not successfully boot up again after shutdown so I have ...
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1answer
31 views

High temp even when shutdown

Hello i just made build my first Raspberry pi4 (8Gb) build and i have run into a weird issue. When i Turn it off with (either via terminal or normal) it seems to keep sucking energy and stays warm. ...
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1answer
115 views

Will thermal paste help in cooling down the CPU of my Pi 4 even further?

I have the latest Raspberry Pi 4 (8gb edition), I'm using my Pi as a server to host a website, and to host a Discord bot that is being used in more than ~800 servers right now. I overclocked my Pi, ...
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2answers
75 views

Cooling problem

I'm going to put my raspberry pi zero in a water/air tight box outdoors, but I'm worried that it might overheat with it preforming tasks all day and sitting in the sun. Considering that, I want a way ...
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3answers
53 views

connect multiple temperature sensors to rpi

I need to connect multiple temperature sensors to my RPI. can you, please, elaborate whether/how can this be done with this or this unit? or can you suggest other unit? I need to measure temp on the ...
2
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1answer
149 views

Model 4B Running Hot

Here is my hardware/software setup: Model 4B with 4GB of RAM. Official 5V power supply (North American socket) Official case with provided heatsinks Ubuntu 20.04 (Most recent LTS, came out April 2020)...
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2answers
48 views

Alias quotation and escapes

I try to get a alias like this running: alias temp="vcgencmd measure_temp | sed "s/'/°/g" | sed "s/temp=/Actual CPU temperature /g"" I tried a lot to escape the quotes but I didn't got it. Probably ...
2
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1answer
573 views

Rpi3B+ Python DS2482 I2C to 1-Wire Bridge Connecting 10+ DS18B20 Temperature Sensors Using 30 Metres Long CAT5e Cables

I'm about to build a heating control with DS18B20 1Wire-sensors and the Raspberry Pi 3 Model B+. For the 1Wire-interface I'm using the DS2482-800 multi-channel busmaster (more precisely this pre-...
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3answers
549 views

Temperature measured using “psutil” and the “CPU Temperature Monitor” are different

I need to read the temperature using the python program. I am reading the CPU temperature of the Raspberry Pi using psutil module. When I call psutil.sensors_temperatures() it is returning the ...
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0answers
37 views

rasberry pi 3 says it's hot (50*C), but is cool to the touch

My raspberry pi 3 reports a [stable] temperature of 49.5 *C - which is pretty warm. However, when I touch all of the components with my finger, including the CPU, it does not feel hot or even a ...
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3answers
563 views

Does the DS18B20 1-wire temperature sensor ID change with different Raspberry Pi's?

I have set up 3 temperature sensors (DS18B20) and connected them to what I believe is a Raspberry Pi 4. I have only been using the Pi 4 for easy testing before I move everything over to the Pi zero ...
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1answer
106 views

Error when trying to read out temperature with gpiozero

I am new to gpiozero. I successfully managed to make some LEDs blink, but I am struggling reading out the CPU temperature as described in the example at gpiozero.readthedocs.io. My code is pretty ...
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2answers
484 views

Controlling fan of the LABISTS Raspberry Pi4

I'm a new Raspberry Pi 4 user. I have bought the Labists Kit which includes 3 heatsinks and a fan. As far as I understand the fan is connected directly two the GPIO pins (see for example this video ...
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1answer
245 views

Does this flat heat sink even work for cooling?

I bought a raspberry pi 4 case, and it came with these heat sinks you see in the picture + a fan. From the sizes, I guess the flat heat sink is for the CPU. I kind of find it hard to believe that this ...
2
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1answer
908 views

measuring the cpu temp and gpu temp in bash and python 3.5.3+ pi 2, 3B, 3B+, 4B, Buster

Two part question. Although these questions might sound more generally like linux questions, my need is to have these answers specific to the pi. Part 1 - Does the raspberry pi 2, 3B, 3B+, 4B, have ...
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1answer
88 views

Facing problems after the latest update of Buster!

I may have described some problems in my previous question. To eliminate that problem I had to flash my sd-card with the latest buster release. After that I am frequently facing these problems, 1. ...
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3answers
114 views

Running RPi 3B without a fan or radiator [duplicate]

I am using my RPi 3B purely for feeding data Flightradar24 (with Pi24 installed instead of pure Raspbian). I assume that usage of electronics and overall load of the device is rather low. My ...
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1answer
143 views

Measuring temperature by attaching thermocouple directly to the processor

I know that I can read RPi temperature through console, but I'd like to measure it using a standard, hardware thermometer. Is this possible? Can I attach thermocouple directly to the RPi's processor ...
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1answer
145 views

DS18B20 Temperature Sensor RJ-x

I am looking to create a complete temperature humidity sensor system with 72 DS18B20 sensors. I am aware that each sensor receives it's own unique identifier and you are able to daisy chain them ...
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3answers
275 views

Raspberry pi 4 gets hot while installing raspbian

I just got Raspberry pi 4 and it too hot while installing raspbian OS. > vcgencmd measure_temp temp=78.0'C Is this normal ? I installed NOOBS Lite from Windows 10 and installed in SD card. It's ...
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1answer
41 views

What is the hottest part, under light load?

For a hobbyist weather station project I am going to use a Raspberry Pi and a Si7021 temperature/humidity sensor. If possible, I want to use one of the available casings, and enclose my Pi and the ...
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1answer
71 views

How durable are the Raspberry Pi and the Raspberry Pi Camera?

I plan to use my Pi and the Pi camera v2 no IR version as a wildlife camera. Now my question is can I run the camera in the winter (maybe -10 degrees Celsius) and will it still work like the Raspberry ...
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1answer
78 views

No thermal throttling in Raspberry Pi 3 model B?

I am seeing that the thermal throttling doesn't work while you read the frequency from: /sys/devices/system/cpu/cpu*/cpufreq/cpuinfo_cur_freq And thermal information from: /sys/class/thermal/...
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0answers
37 views

is there a way to minimise the effect of the Pi on the Sense HAT's temperature sensor?

Is there a way to minimise the effect of the Pi on the Sense HAT's temperature sensor? I cannot seem to reduce it from mid to high 30s deg. C. Or do I really need a sensor that is external to the ...
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1answer
88 views

Temperature monitor for a rifle barrel?

Is there any good Raspberry Pi tutorials for making a temperature monitor that can be used to monitor the temperature of a rifle barrel? So far, I can only find tutorials for contact-less temperature ...
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0answers
43 views

DS18B20 reading double after long use

I installed two DS18B20s on a pi almost a year ago. They have worked great until the last couple months. I am doing a bit of a stress test on them and have been polling them every second for almost a ...
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1answer
200 views

RPI Fan Startup and Temp Control

Info: I am running a rpi 3b+, with Recommended Raspbian installed, and also with a Noctura NF-A4x10 5V, mounted on the lid, with vent holes, of the official rpi case. I will eventually turn this ...
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2answers
222 views

Why is Raspberry Pi 3B / 3B+'s CPU temperature precision 0.538°C?

While monitoring CPU temperature from /sys/class/thermal/thermal_zone0/temp, I noticed that the minimal step is exactly 0.538°C. This is the same on both Pi 3 B and Pi 3 B+, and I suppose that it ...
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1answer
58 views

Raspberry Pi 3B is heating up very quick and PUTTY cannot connect. Is it gone?

I cannot connect anymore to Raspi using PUTTY for a few hours. Short before I saw during boot time some mmc1 110 errors and a undervoltage sign on the screen. At the same time, the temperature of the ...
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2answers
57 views

Running temperature options

I have new RPi 3B+ intended to run 24/7. I am looking to ensure it doesn't overheat, so am wondering whether having wired ethernet would make it run cooler than using the WiFi? The Pi is situated ...
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0answers
55 views

Can Raspberry Pi survive outside temperatures? [duplicate]

I am making a raspberry pi outside security camera, but I am scared that my pi will not be able to survive my area harsh temperatures. I live in Illinois, so it gets pretty cold here. Does anyone know ...
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1answer
3k views

How to hookup pt100 with pi 3 without max31865 for temperature logging

Absolutely noon on pi here. I wanted to make a temperature logger with my raspberry Pi 3 and a "pt100 2 wire k type" thermocouple. I spent the evening googling about it and learned that one of the ...
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2answers
483 views

Small wireless temperature sensor recommendation [closed]

I am working on a human-care project using RPi. The second phase of project is in progress, and I need small wireless temperature sensor to be able to place on a human body. I've searched the internet,...
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1answer
68 views

Automatically bring back the Pi while it shutdown

I've experienced several P3B+ automtically shutdown cases, by skiping the analysis of the root cause, I wonder what is the solution to automatically bring back the Pi again while it shutdown, I mean ...
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2answers
902 views

Pi3B+ automatically shutdown while the temperature is less than 65C

I'm using Raspbian Stretch with desktop which published at 2018 JUNE. I'm doing some performance testing with Pi3B+ by running my application, the application is just keep send/write data via TCP/IP ...
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6answers
27k views

How to directly get CPU temp in Python?

Goal is to switch an exhaust fan at an outside data-logging station at a solar power station. The data-collection program is written in Python under Raspbian. For reading CPU temp at a command line, ...
2
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2answers
1k views

Raspberry pi for extreme outside using

I want to use raspberry pi for a vehicle park project. The Raspberry will stay in a metal box and it will never power off. The metal box is waterproof but its in middle of a empty area so it will get ...
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2answers
220 views

Raspberry PI 3 freeze for some hours and afterwards its working

I've a strange issue with my raspberry pi 3: The raspberry is working fine, after a while the raspberry stops working for about 5 hours. Afterwards the raspberry recovers itself (without rebooting!) ...
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1answer
854 views

How long do Rasperry Pis last when run continuously?

(Note, this is not a duplicate of question because my question is based on constant running at a temperature. Just because another question has one point in common does not make it a duplicate ...
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0answers
333 views

Is it possible to connect a Raspberry Pi Camera Module V2 without any concern to the CSI Camera Connector?

I have recently tried to connect the Raspberry Pi Camera Module V2 to the CSI Camera Connector on the Pi. At first, it worked properly and we could capture pictures and record videos. As part of a ...
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2answers
12k views

Raspberry Pi thermal throttle

I am running Raspian 9.4 Stretch and access it through SSH. How can I determine whether my RaspberryPi (3B+) is currently in a state of thermal throttle? I know I can get the RasPi's temperature using ...
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2answers
238 views

Where is the Raspberry Pi temperature measured?

Through the command vcgencmd measure_temp I can get the Raspberry Pi's temperature in Raspbian, therefore I know that it is possible to measure the temperature. Unfortunately I cannot really find a ...
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2answers
10k views

How Hot Is Too Hot?

I have a Raspberry Pi 3 Model B. I installed Ubuntu MATE but decided to go back to Raspbian as Ubuntu MATE was very slow. But during the short lived time I had with Ubuntu MATE, the processor's ...
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1answer
132 views

Any way to kill an application on high temperature?

I have a Raspberry Pi 3 and I'm thinking of running a process 7/24, but it sometimes uses CPU too much, and from my last 2 questions, I understood that Raspberry Pi 3 cannot power itself off on high ...