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Newest 'temperature' Questions - Raspberry Pi Stack Exchange
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Learn more about TeamsQuestions tagged [temperature]
This is for questions pertaining to the acceptable temperature ranges for the Pi and its respective parts.
204 questions
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3
votes
3
answers
424
views
How to log temperature data
I'm looking for a simple, low-maintenance, future-proof way to log the CPU temperature (and ideally voltage data too).
The Raspberry Pi is part of an embedded system attached to vehicles operated by ...
0
votes
0
answers
49
views
The DS18B20 temperature sensor not visible by the Raspberry Pi in the Proteus
I do the laboratory work from the site of the University of Cambridge (https://www.cl.cam.ac.uk/projects/raspberrypi/tutorials/temperature/), but using the Proteus only.
I did the schematic (VCC = 3....
5
votes
1
answer
944
views
Turn off GPIO fan when the temperature lowers by more than 5 degrees
I am able to trigger my Raspberry Pi 3B's fan to turn on at 50 °C with the following line in /boot/config.txt:
dtoverlay=gpio-fan,gpiopin=3,temp=50000
However, it automatically turns off again when ...
0
votes
1
answer
49
views
how do i run a script when the cpu gets too hot [duplicate]
i need to send commands to my hats that control fans and a little warning LED if the cpu goes above or below a specified state of temperature
https://unix.stackexchange.com/questions/756721/raspberry-...
0
votes
1
answer
625
views
Get package temperature of a Raspberry Pi pico using C
I'm working on a Raspberry Pi pico and I'm using the C pico-sdk. I want to get the temperature of my package so I followed the datasheet of the rp2040 (page 565) and I've used the following code :
...
3
votes
1
answer
1k
views
Raspberry PI Pico W temperature reading
I have been playing with my newly acquired Raspberry Pi Pico W and reading the temperature.
How much variation between the internal temperature sensor and an external TMP36 wired up to ADC2 should I ...
-2
votes
1
answer
54
views
hi i have a problem with dht11 and LED
I want to record data from dht11 and turn on the LED in the same code
the dht11 work good by separate code
the led also work well by separate code the problem is when I make it one py code problem ...
2
votes
1
answer
3k
views
How to PID control a heater with SSR, Raspberry Pi and python
I would like to PID control the temperature of a water bath using a RaspberryPi4, a solid state relay (SSR) and a heater (200W, 230VAC) using python.
The IVMech library seems a good starting point.
As ...
0
votes
0
answers
33
views
HTU21 read problem
I try to read temperature values from HTU21 with pigpio, C code given below:
#include <stdio.h>
#include <pigpio.h>
#define addr 0x40
#define rdtemp 0xF3
#define rdhumi 0xE5
#define wtreg ...
0
votes
0
answers
146
views
Cold start Raspberry Pi 4B? How cold?
My company recently ran tests on two Pi 4Bs in a temp chamber with camera attached.
Ran 1000 hours at 70C ambient - CPU around 80-82C No issues. (power always on)
Ran 1000 hours hot/cold cycle -25C ...
0
votes
1
answer
193
views
raspberry pi zéro 2
I wanted to ask a question. Is there a security system to shutdown the Raspberry Pi Zero 2 in the event of overheating? A hardware solution in the Raspberry Pi(a form of security) and not a software ...
0
votes
0
answers
319
views
Two 'burnt' HDMI ports on two Raspberry Pi 3B+s one after the other
Background:
I had Raspbian 10 (installed over NOOB) running on a Raspberry Pi 3B+ running:
BOINC (30% CPU time and 25% CPU cores used)
dump1090
Kodi
Kismet
since July 2020, pretty much 24/7 till ...
0
votes
1
answer
97
views
how to detect human presence at the computer
After working from home for a while, I bought a standing desk that can move up and down.
I'd like to have better understanding of my work patterns, especially these 2 metrics:
how much time do I ...
2
votes
3
answers
4k
views
How can Rpi4B use python to talk to the I2C DHT20 / SHT20 temperature and humidity sensor?
I'm trying to use a Raspberry Pi 4 to read an I2C temperature and humidity sensor. The part I'm using is a module from Grove based on the DHT20 sensor. Here's a link to a page about the module
I need ...
0
votes
0
answers
121
views
Measuring CPU temperature gives error
When I run the command vcgencmd measure_temp to measure the tempearture of my Raspberry Pi, instead of expected output (e.g. temp=50.1'C) it sometimes throws an error as follows:
vc_gencmd_send ...
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