Most active questions
8 questions from the last 7 days
2
votes
2
answers
218
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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 ...
- 151
0
votes
0
answers
40
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Busybox when booting
I am running raspberry pi 4. It still work yesterday but got into BusyBox today when I boot. I have tried the command in here and also e2fsck -c /dev/mmcblk0p2 but it only said 2 files have error and ...
- 1
0
votes
1
answer
39
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Cant run fuzzy logic code in raspberry pi: is GPIO incompatible with rpi5?
I wanted to run some python code which uses fuzzy logic on a Raspberry Pi 5.
Therefore I had to call the skfuzzy/scifuzzy library to do that - from there the problem seemed to occur. It seems like ...
- 1
0
votes
1
answer
21
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LUKS unlock prompt invisible on Raspberrypi 5
I encrypted the root partition of my RPI 5 like this:
Burn the image to the SD card and perform a regular boot.
Install cryptsetup and cryptsetup-initramfs.
Make the following modifications (see e.g. ...
- 101
1
vote
0
answers
31
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Occasionally unexpected characters at serial port opening (Arduino Mega to Raspberry Pi via TTL-232R)
I'm using an Arduino Mega to send data via serial communication to a Raspberry Pi 5. The connection is made through a TTL-232R cable (TTL serial on the Arduino side, USB on the Raspberry Pi side). On ...
- 111
0
votes
0
answers
29
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Identify USB host plugged into Pico
I have a Pico attached to a USB hub switcher. This means depending on its state the Pico is connected to either a Windows desktop, or a Macbook. I want to display this on the screen I've attached to ...
- 101
0
votes
0
answers
19
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Camera Module 3 - Pi5 - getUserMedia - AutoFocus
I'm trying to have a simple JS app to open the camera and to display it on localhost a webpage.
Opening the camera and setting the resolution works fine with a simple :
navigator.mediaDevices....
- 1
0
votes
0
answers
18
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What is the DMA frame end (as referred in the official manual)
The official data sheet contains a remark that the TA bit in SPI_CS register is automatically reset on "dma_frame_end impulse" (see p 138 Table 160 SPI_CS register).
However there is no ...
- 101