Newest Questions
37,665 questions
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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
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
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
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
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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
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0
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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
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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
13
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Connecting RPI 4B to Adafruit FeatherWing RFM95W 433MHz
I wanted to connect the Adafruit LORA module to my RPI 4B.
I connected it this way:
RFM9x FeatherWing
Raspberry Pi 4B (GPIO)
3.3V
3.3V
GND
GND
SCK
GPIO11 (SCLK, pin 23)
MOSI
GPIO10 (MOSI, pin 19)
MISO
...
- 1
-1
votes
1
answer
28
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Rock solid ethernet via cellular modem, but why are my wired connections so flaky?
I'm having trouble keeping alive IP connection between Pi port(s) and laptop on a hard wire. The connection freezes after 5-10 minutes while I am using putty. However, I am having completely zero ...
- 97
0
votes
1
answer
45
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Raspberry Pi 4 as router
My ISP provider is charging very high for Static IP for port forwarding. So I decided to disconnect the internet cable connected to ISP router/modem, and connect to Ethernet port of Raspberry Pi4. I ...
0
votes
0
answers
28
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Skfuzzy not installed in Raspberry Pi 5 [duplicate]
I can't install the Skfuzzy on the Raspberry Pi 5 module. It is showing me the error below given ---
error: externally-managed-environment
× This environment is externally managed
╰─> To install ...
0
votes
0
answers
31
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What should I do about the rpi-eeprom package on Raspberry models Zero, 1,2,3?
I have a few of the older RPi (models incl. "Zero", 1, 2 and 3) that do not have any EEPROM. Despite that, I notice that during apt update, the rpi-eeprom and rpi-eeprom-images packages ...
- 1
0
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0
answers
20
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How to use a Pimoroni 1.3" SPI Colour Square LCD with pico & MicroPython?
I want to use the 1.3" SPI Colour Square LCD (240x240) with a pico and micropython. According to the website that is possible. However, when looking at the github page of examples there is ...
- 101
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1
answer
46
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12V output into GPIO
I am looking to wire this inductive proximity sensor to my Raspberry PI Pico W. I plan to power the sensor with a 12V source.
However, I obviously can't use the naive way since the sensor outputs at ...
