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Questions tagged [sensors]

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17 views

Handle mechanical door switch [on hold]

I'm having trouble communicating with a door switch. I don't have any experience with this kind of device, but I have managed to read and from a coin and bill acceptor, and send print jobs and read ...
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2 views

interface AFE4404 -SPO2 sensor with nrf52

I want to interface AFE4404 with nrf52 to measure SPO2 using two LEDs Red and IR LEDs. I have tried interfacing it using the register values given in the AFE4404 DATASHEET in table 11. But I am not ...
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15 views

How do I find the specific serial-id for each of the three individual USB devices connected to Ubuntu machine?

I currently have multiple ultrasonic sensors hooked up to my Ubuntu system and I am trying to read the unique serial id's for each one while they are all plugged in through USB. I run the command ls /...
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1answer
141 views

Compilation error in arduino IDE while integrating with DHT11 sensor

I have added the DHT11 library already but I am still getting this below mentioned error while compiling. Kindly help me to fix this. Thank you in advance Arduino: 1.8.9 (Windows 10), Board: "...
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19 views

sensors command causes segmentation fault

What would cause the sensors command to result in a segfault and how can I troubleshoot this further? $ sensors amdgpu-pci-0800 Adapter: PCI adapter vddgfx: +0.75 V fan1: 1155 RPM ...
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205 views

Is the fingerprint scanner of HP laptops such as the ProBook 430 G2 simply incompatible with current Windows versions?

I recently bought a refurbished HP ProBook 430 G2 in Japan. It feels new and I'm very happy with it. I believe this model was originally sold with Windows 8 or 8.1 but it had a fresh install of ...
3
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1answer
108 views

Profibus or MODBUS over RS485

We are operating old systems which have many modules we are not able to find on the market. So we are looking for replacements. S7-200 PLC with several sensors is communicating over RS485 pair cable. ...
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13 views

TI SensorTag CC2650 missing 6 out of 11 services

I was doing a project with TI SensorTag CC2650. I was able to see 11 services when I got this sensortag. The firmware was v1.20. After I tried to upgrade the firmware using the IOS app, the device ...
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0answers
672 views

How do I calculate the rpm of the fan connected to my Raspberry Pi? [closed]

So what I've got is a Noctua fan(product link: https://noctua.at/en/products/fan/nf-a4x20-5v/specification) connected to a Raspberry Pi 3. I want to know the RPM of the fan at every second interval. I ...
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21 views

What is the priority of sensors used in smartphones from the oldest one to the newest? [closed]

For Instance, I know that the Accelerometer Sensor is one of the earliest sensors that has been used in smartphones, but my question is that what is the history of adding sensors to the smartphones ...
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1answer
26 views

Why my computer mouse reacts to tube light?

I was working on my computer and I lifted my mouse and rotated it. Light from the tube light which was 2-3 meters away from my mouse fell on the mouse sensor, the cursor started moving as if I shook ...
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2answers
1k views

Why does my Logitech mouse sometimes ignore the scroll wheel turning?

About a week ago my Logitech G502 Proteus's scroll wheel intermittently stopped scrolling correctly. It appears to happen in a pattern; so if I scroll up 50 times in a row, it will ignore the 10th, ...
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4answers
9k views

SpeedFan suddenly stops being able to detect controllers and sensors mid game

so I'm playing games on my PC and I have some fan control setup using SpeedFan for my PWM fans which usually works really nice. However, the other day my game wasn't running so smoothly and I saw that ...
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1answer
922 views

Create Discovery Rule for Zabbix Agent

I am trying to create a discovery rule to automate task of creating new items for temperature sensors. We have inbuilt key:sensor[device,sensor,. I had added sensor name manually key: sensor[coretemp-...
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1answer
193 views

PC is shutting down due to overheating but heat sink is cool to the touch

my PC is freezing up and shutting down. I have tried reseating the heatsink but the issue isn't fixed. I am very new to hardware maintenance and I'm not sure what to try next, any advice appreciated ...
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2answers
392 views

Locate hall effect sensor for disabling

We are wanting to use windows tablets in a high magnetic field. The problem we have encountered is the sensor used to detect a "smart cover" and shut off the screen is being triggered upon entered the ...
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224 views

Is using it87 Linux driver with ASUS M5A99FX safe?

Can it87 Linux driver conflict with BIOS or hardware devices (motherboard ASUS M5A99FX PRO 2)? For example, there is a function in Linux driver (drivers/hwmon/it87.c): /* * Must be called with data-&...
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757 views

What temp sensors does my motherboard have?

How can I tell what temperature sensors my motherboard has and then be able to know what those sensors are when looking at various monitoring programs?
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0answers
125 views

Dell EC not detected after Windows crashed accessing it but is detected again when accessing it after some time. EC failure or compatibility issue?

When accessing Dell Embedded Controller (EC), which should be a temperature sensor on Dell Studio XPS 1645 notebook PC with SpeedFan and HWInfo, Windows would randomly crash with BSOD with memory-...
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1answer
437 views

Cpu is reporting its at 108 Celsius

My CPU in my HP Laptop ENVY TouchSmart m6-n113dx AMD FX-Series FX-7500 (2.10GHz) 6GB Memory 750GB HDD AMD Radeon R7 Series 15.6" Touchscreen Windows 8.1 1 Year warranty is reporting its at 108 Celsius ...
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1answer
598 views

How easily and continuously monitoring CPU's temperature using only “sensors” (without a gui widget)?

How easily and continuously monitoring the CPU's temperature using only "sensors"? That is, how continuously monitoring CPU's temperature without additional software (without a gui widget, for example)...
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3answers
1k views

How fast should a hot laptop's fan spin?

I am having some problems with my T420 Lenovo laptop overheating. The fan is working, in that I feel air being blown and can hear it when I put my ear near the heat sink fins. I have noticed however, ...
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1answer
570 views

Disable light sensor of Webcam which lights up LED

I use an external webcam with pre-built LED lights which light up in low-light situations. The light sensor is on the top of the webcam. The software supplied with the webcam doesn't have a function ...
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1answer
4k views

Could my CPU Temperature Sensor be broken?

One of my older computers started shutting down suddenly and when I tried running it again, it would give me the beep code for overheating. However, I tried to get some info using Speccy, but couldn't ...
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1answer
98 views

Mini “Xinda” board with 3 pins

Does anybody know what is this board, if it has some resistors and how is it wired to the sensor. The component on it is Dallas 18B20 digital temperature sensor.
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1answer
43 views

Receive realtime data from phone

I am using an android app that streams real-time accelerometer data to the specified ip address of a server. I have written a "server" in C running on Linux which is running in VMware. I am connected ...
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1answer
660 views

Strange battery behavior (not discharging)

Lately my laptop got this problem. Right after i unplug it (with full charge battery) it says that the duration remaining is about 30 minutes. Then, after few seconds, it drops from 100% to 90/96% ...
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222 views

Identifying temperaturs of sensors output

I need some help with interpreting the output of the sensors command. I use it together with watch to have updated live temperatures. Part of the output is this: f71882fg-isa-0a00 Adapter: ISA ...
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1answer
3k views

Why is my motherboard's CPU temperature inconsistent with the individual core temperatures? [duplicate]

This image demonstrates what I'm talking about: The motherboard's CPU temperature is in green. The individual cores' temperatures are in red. I've tested the temperatures in three different ...
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660 views

Can not view fan speed rpm in hp 4530s laptop

Output of sensors is: ~$ sensors acpitz-virtual-0 Adapter: Virtual device temp1: +31.0°C (crit = +128.0°C) temp2: +0.0°C (crit = +128.0°C) temp3: +31.0°C (crit = +128.0°C) ...
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1answer
265 views

What does the confidence value mean on the output of sensors-detect?

Sample output of sensors-detect taken from here: Driver `coretemp': * Chip `Intel digital thermal sensor' (confidence: 9) Driver `lm90': * Bus `SMBus nForce2 adapter at 4d00' Busdriver `...
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932 views

Where can I find temperature sensors locations on a laptop?

I'm trying to identify the locations of the different sensors highlighted in red (TZx_) to find where exactly the hot spot is. I assume TZ5_ is probably located near the GPU which is also running at a ...
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5k views

How can I control the keyboard backlight when running Windows on a MacBook?

I installed Windows 7 Ultimate 64bit on my MacBook Air 2014, using Boot Camp. When I'm using the Windows partition, the keyboard backlight turns on randomly, and I cannot turn off the keyboard light ...
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627 views

GPU sensor not working, fans out of control

My fans are out of control and my GPU is apparently hotter than the surface of the sun. I'm using an iMac with Windows 7, (no OS X partition) and I already tried resetting the pram and nvram. ...
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1answer
137 views

How do remote sensors connect to a password-protected wifi network?

I'm quite new to networking in general, and am wondering how remote sensing devices are able to connect to someone's home wifi network? For example, take a device like this: https://www.kickstarter....
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1answer
46 views

Re-enable Sudden Motion Sensor

I installed Mathias Bynens dotfiles which are very handy but when I check his code it says # Disable the sudden motion sensor as it’s not useful for SSDs sudo pmset -a sms 0 I don't have an SSD and ...
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1answer
53 views

iTunes 11.1.5 versus S.M.A.R.T. hard drive sensor

After I installed a bigger startup drive in my Mac Pro, I renamed the prior startup drive and use it to keep my media contents, including my iTunes media folder. I work that drive hard, doing video ...
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1answer
484 views

How to check CPU temperature on BAMT (Debian)

How can I check CPU temperature on BAMT? BAMT is Debian based bitcoin/litecoin mining distribution (kernel is 2.6.32-41 32 bit version). I've tried with lm-sensors, every time I'm using, I'm ...
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2answers
3k views

Temperature sensors showing high CPU temps, CPU not super hot

(For monitoring heating I have used SpeedFan, Ai suite II (asus mobo software), RealTemp and my bios (on an Asus Gene IV Rampage)) SpeedFan says 100-120 C RealTemp says 30-80 C at idle (30 C ...
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0answers
522 views

Laptop Thermal Sensor Reading Excessively High Temperatures

My laptop has done a thermal shutdown several times tonight due to high temperature readings. The computer however is not running at a temperature any higher than it normally does. I think the ...
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1answer
243 views

how to send temperature DS9097 sensor data to apache and keep an archive of it

I want to show at my website this temperature readings data. USB DS18B20 with the prolific adaptor PL2303. instructions for Debian are: apt-get install digitemp digitemp_DS9097 -i -s /dev/ttyUSB0 ...
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1answer
229 views

Compass a la USB [closed]

I'm looking for a compass (the cardinal direction kind) sensor that I can connect via USB. I'm willing to revert to an integrated circuit and Arduino or some such, but an off-the-shelf device is ...
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1answer
5k views

Computation of temperature using Temp Sensor Lm35 with LPC1768

I have connected a LM35 to ADC channel 1 of LPC1768. getting a value of 306(adc reading). Vref =5V For 12 bit ADC Step size = 5V/4096=1.22mV to calculate the output voltage. Vout in mV = ...
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3answers
4k views

Interpreting sensor names

Here is the output from the sensors command on my Late 2012 MacMini 6,2 running Linux. I am unable to find out what each code means. What parameter do each of these code represent? I would like to ...
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1answer
125 views

How much heat can a heat sensor on a video card handle?

I have some troubles with my XFX HD5770 (video card), the head sensors on my video card are broken but I'm out of warranty. I need to prove to the reseller that I didn't damage the head sensors by for ...
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2answers
803 views

Is it possible to replace the thermal sensor of my case?

During the update of my computer hardware, I managed to damage one of the thermal sensors which my case has, making the display LCD show a "Er" (Error) on the LCD screen which monitor the temperatures ...
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3answers
9k views

Are there any disadvantages of having a “free fall sensor” on a hard disk drive?

This is a general question that came out of a specific comparison between the Western Digital Scorpio WD3200BEKT and Western Digital Scorpio WD3200BJKT (which is the same as the former but with a free ...
7
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1answer
4k views

sensors-detect does not detect

I am trying to run sensors-detect in Debian6 64 bits and I get: Sorry, no sensors were detected. Either your system has no sensors, or they are not supported, or they are connected to an I2C or SMBus ...
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3answers
12k views

How can I manually control a fan from the terminal?

I'm trying to control the fan speed on my desktop, and I'd appreciate your help. Goal: Use a script to control the fan speed on my computer. Motivation: The embedded BIOS "Smart Fan" settings isn't ...
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1answer
135 views

Server keeps resetting

I have a server that keeps resetting. I installed lm_sensors last time, and discovered it was die to the fan not working, causing the temperature to rise. Now the problem has returned, and lm_sensors ...