All Questions
37,822
questions
0
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1
answer
19
views
Hooking Up an RJ-12 Cable to a Raspberry Pi Pico W: Simplifying Data Collection
I'm looking to gather data from an industrial-sized battery with an RJ-12 port. My idea is to connect a Raspberry Pi Pico W to the battery using an RJ-12 cable for data collection. I'm considering ...
0
votes
0
answers
7
views
e4crypt Operation not supported?
I am running Raspbian GNU/Linux 11 with 6.1.21+ kernel. I am trying to use EXT4 encryption with it, as such:
sudo tune2fs -O encrypt /dev/mmcblk0p3
sudo mount /dev/mmcblk0p3 /mnt
sudo mkdir /mnt/enc
...
0
votes
0
answers
11
views
Transmit Data over PoE using PoE+ Hat Raspberry Pi 4
Hello I am using a Raspberry Pi 4 (Rpi4) as a WiFi to Ethernet converter. I programmed the Rpi4 to act as a DHCP server and this setup is working fine in converting WiFi to Ethernet (transmitting data,...
0
votes
0
answers
8
views
Host internet site on raspberrypi with SIM7600E HAT
Ive seen many tutorials on how to host webserver on raspberrypi and then put it online linking it to a domain.
However everyone of those tutorials presumes internet connection with a router. This ...
0
votes
1
answer
13
views
How to compile Qt 4.8.7 under Debian Bookworm and Bullseye
My Tool BoUML is based on Qt4 with Qt3 support, and I wanted to compile it under Debian Bookworm on my new Pi5.
For that I needed first to compile that old QT version from sources, and without ...
0
votes
1
answer
20
views
Can i use raspberry pi 5 into low power mode programmatically?
I am using raspberry pi 5. In which my service is running and it is doing some task for sometime.After completion of task i want raspberry pi to go in sleep mode and consume low power.Can i do it with ...
0
votes
1
answer
26
views
Install php rasbian stretch
I would install php (php-fpm) on my raspberry pi 3 b+.
Its running with raspbian stretch 9 i dont have choice, i must keep this version.
I can’t even update, the official mirrors that are programmed ...
0
votes
0
answers
15
views
Import is erroring with all modules in the root
Noob to Raspberry and Python but otherwise experienced (i.e. tech and development) here.
In the root of my Pico, I have these files:
mpu9250_jmdev.fake_smbus.py contains this.
class FakeSmbus(object):...
0
votes
2
answers
11
views
Pico W I2C timeout occurs when using multiple sensors on a single bus
I am using to VL53 lidar sensor chips on a single I2C bus.
This specific chip does not have an option to change I2C address through hardware and so I must do it through software. This works and I am ...
0
votes
0
answers
19
views
How to enable Raspberry Pico's I2C0_IRQ and set a callback function using MicroPython?
I need to setup a Raspberry Pico as a I2C Slave device. I know how to do this, but I don't know how to eneble the I2C IRQ and set a callback function on it so I can be notified of the I2C events ...
0
votes
1
answer
29
views
Raspberry Pi 5 Servo Jitter
I’m trying to control 2 MG996R servos with my Pi 5.
I’m using gpiozero and python. I’m using GPIO12 and GPIO13. I have a separate 5v power supply to power the servos.
The servos both move but jitter ...
0
votes
0
answers
7
views
Failed Kasm Workspace installation on Ubuntu Server 23.10 LTS On raspberry pi 4 7895Mib of memory
I was trying to install Kasm Workspace on Ubuntu Server 23.10 LTS and I received this error:
Setting Seed file as /opt/kasm/1.10.0/conf/database/seed_data/default_properties.yaml
yaml: unmarshal ...
0
votes
2
answers
18
views
Ubuntu Server 23.10 on Raspberry Pi 5 fails to register on home router
I have a fresh install of Ubuntu Server 23.10 via Raspberry Pi Imager. I used custom settings to set a hostname, ssh username and password, etc. I did not include a WiFi SSID and password. When ...
0
votes
0
answers
16
views
How do I find my SSID for LAN on my raspberry pi 2?
-Raspberry pi 2
-Trying to install a 3dprinting OS
-needs SSID for LAN
How should I find this?
0
votes
1
answer
13
views
sensor AMG8833 with raspberry pi5
I tried to follow several guides to get the AMG8833 working with the Raspberry Pi 5. The latest one I tried was this guide:https://cdn-learn.adafruit.com/downloads/pdf/adafruit-amg8833-8x8-thermal-...
0
votes
0
answers
15
views
HDMI issue: Arzopa display shows "no input" other displays work fine
I have a Raspberry Pi 5 running latest Pi OS (bookworm).
It works fine with a Viewsonic Omni portable display.
I unplugged the micro to mini HDMI cable from the Viewsonic and plugged it into an Arzopa ...
1
vote
0
answers
41
views
RPi.GPIO RuntimeError: Failed to add edge detection
I ran a python script on a Raspberrypi 4 on Raspbian Bookworm for a ups (uninterruptible power supply) quite a while. Since the latest update of bookworm the script fails. Since the script of the ups ...
0
votes
0
answers
21
views
Raspberry Pi Zero W with OpenMoko CAN adapter
I have a Raspberry Pi Zero W and a OpenMoko, Inc. Geschwister Schneider CAN adapter. I watched this video on YouTube and removed the resistor:
https://www.youtube.com/watch?v=DonsJ5cW55I&t=196s
I'...
0
votes
1
answer
16
views
Which document I can find bluetooth HCI event code meaning?
While I was searching how to find Bluetooth HCI event code meaning, I found the link below.
Raspberry Pi Bluetooth HCI Event Code Meaning
In this post, Section 7.8 Part E, Vol 4 and Section 7.7.14, ...
1
vote
0
answers
33
views
Systemd-homed on Raspberry Pi OS Bookworm
I recently bought a Raspberry Pi 5 and installed the latest version of Raspberry Pi OS Bookworm. My question is related to systemd-homed. When I create a new user following the instructions on https://...
0
votes
0
answers
5
views
runing interface from C# on raspbian os raspberry pi 4 B
i have project make interface using C# to control plc from raspberry pi 4, and i want to try use camera using library aforge.net, is it possible to run it on raspbian os ?
0
votes
1
answer
28
views
"Most direct" way to display an image on Official Display from Python
I have a Raspberry Pi 4 connected to an Official 7' Touchscreen Display that I want to display some data on, ideally from a Python application. What is the "most direct" way to go from an ...
0
votes
0
answers
10
views
Raspberry PI 5 RDP
I am trying to use the RDP session for a R-Pi 5. I can connect however the screen goes black and then drops. Does anyone have some suggestions. I have tried using a different users, disabling ...
0
votes
0
answers
13
views
Slow tkinter app loading and choppy mouse
I have a raspberry pi 5 running a python app that uses a customtkinter UI and TCP client running on a thread along with some serial port IO on another thread.
The app loads in around 15 seconds and ...
0
votes
1
answer
33
views
Bookworm GPIO pins 8 and 17 busy
I would like to use a Waveshare e-paper display but running their test software gives this error. When I check with gpioinfo pins 17 and 8 are already being used by something and this giving this ...
0
votes
0
answers
33
views
Raspberry Pi 5 + Google WiFi: Sounds like a NAT issue, but doesn't seem so
Background. I tend to have a raspberry at home running some services (ssh, svn, apache, vpn) that I can access from the outside world. A few days ago I upgraded my hardware from a raspberry pi 3 (...
0
votes
0
answers
10
views
Route all internet to OpenVPN tunnel, allow local traffic, in physical plug-and-play system
I have a raspberry pi and multiple hosts that I would like to connect to a VPN in a physical manner, i.e. I would like to be able to plug my devices into one (unmanaged) switch and have them connected ...
0
votes
1
answer
16
views
Attaching an interrupt on SPI MISO pin
I am reading an ADC that signals when the data conversion is complete by setting the SPI MISO pin low. I would like to set an interrupt on that pin, but using the GPIO library to do so isn't working. ...
0
votes
1
answer
18
views
R-pi Zero W can scan wifi but can't connect
I used the official imager to set up localization and networking and install its "recommended OS" (32-bit bullseye) on a Raspberry Pi Zero W. It comes up to a desktop where the network ...
0
votes
0
answers
23
views
raspberry pi 4B wont booting
At that time when Windows was running smoothly, I tried to connect to the internet using an Android phone via USB tethering. but suddenly my raspberry died, and didn't want to boot up again. then I ...
0
votes
1
answer
12
views
Can a CRON script log on a user
I am asking if it's possible to log a user on via CRON or Python or BASH
I am aware that you can AUTO LOGIN via Raspberry Pi Configuration and this question is not about this.
I have a situation where ...
0
votes
0
answers
35
views
Error on boot, Dependency failed for boot
Hello, suddenly an error occur during booting. Any idea?
Thanks in advance!
0
votes
1
answer
28
views
New to Python and Raspberry pi's
So i have started to play with the pi pico w and using them to light up some of my lego sets. this is the first time doing this, so i'm very new to coding in Python. i have all a total of 11 lights ...
0
votes
1
answer
32
views
How does gpiod number the GPIO pins?
With gpiod installed on a Raspberry Pi 5, you can use gpioinfo to list all the GPIO lines:
$ sudo gpioinfo gpiochip4
gpiochip4 - 54 lines:
line 0: "ID_SD" unused input ...
0
votes
0
answers
28
views
Rotary encoder noise with MCP23017 chips
I want to use multiple rotary encoders with my Raspberry Pi Zero so I have connected two MCP23017 port exander chips liked to addresses 0x20 and 0x21, and I am using the MCP23017-python library. These ...
0
votes
1
answer
14
views
Sudo is broken, missing libgcc_s.so
tl;dr Which version of gcc should I install?
Not sure exactly how it happened. It might have been caused by the last upgrade but sudo somehow broken. Any sudo command I try to run outputs the same:
$ ...
0
votes
0
answers
26
views
Raspberry Pi 4 won't boot, red LED keeps flashing and green LED blinks several times
I have a Raspberry Pi 4, when the SD Card is installed, the red LED lights up continuously, and the green LED blinks several times and finally becomes a black screen, when I remove the SD Card, then ...
0
votes
0
answers
14
views
USB not working for CM4S
I used to work with CM3+ and I recently got some CM4S. I have an issue with it and I don't know what to think about it.
Previous setup:
I have a Compute Module IO Board Plus designed by WaveShare. ...
0
votes
0
answers
8
views
generation of sine wave with ad5686 using raspberry pi through SPI communication
I am using an AD5686 DAC which is connected to the raspberry pi through SPI communication with CE1 (GPIO7). I have to generate a sine wave using the DAC. But I am not able to do it. Please help me. ...
0
votes
0
answers
14
views
2nd MUX PCA9548A not showing up
Trying to add a 2nd MUX on bus 1 of my Room.
I added the following to the config.txt, essentially duplicating my original MUX with a second one, changing the address:
dtoverlay=i2c-mux,pca9548a,addr=...
0
votes
0
answers
21
views
How may I configure my Pi to interface between my printer/ scanner on the Ethernet port to be accessible across the wifi network?
I have a MFP (printer/ scanner) that I have connected to my Pi using the Ethernet port, and would like it to be available across the network using the wifi.
At the moment, I have tried all the "...
0
votes
0
answers
16
views
Pico: upload without pressing the BOOTSEL?
I'm on Windows (11).
I'm using VS Code with PlatformIO.
I have an Adafruit QT Py RP2040 board.
I need to mount it into an enclosure so I won't access to the buttons.
USB-C port is exposed
How can I ...
0
votes
0
answers
7
views
Looking to set up Media Signage
I'm Looking to set a multi screen system in my place of work. We will have roughly 6 monitors throughout our showroom displaying different adverts/price guides on rotation.
We have heard about using ...
0
votes
0
answers
44
views
How to power a Raspberry Pi 4 through usb c or gpio pins?
Hello everyone I am running into some kind of problem. I want to power my Pi 4B+ through the GPIO pins via a buck converter but it just wont work.
I used the LM2596 non adj 5V buck. In its typical ...
0
votes
1
answer
39
views
Possible to ssh to remote Pi inside corporate firewall without port-forwarding?
Situation :: There's a Pi running an arcade machine inside a clients' office. I can connect to a network via utp cable, so the Pi has internet connection, but asking for port forwarding to ssh to the ...
-2
votes
0
answers
18
views
Can add rca port on below pcb have 40pin to dispaly [closed]
Please help to add rca port in this pcb.
Pcb have only 40pin touch display but i want to add rca port for screen extension.
0
votes
0
answers
33
views
Using an RPI-5 w/ Bookworm GPIOZERO errors on setting GPIO pins 4, 17 & 18, but all the others work fine. What am I missing? See code below
I am trying to use GPIO pin 4 for control of a purchased circuit board and there's seems to be an issue with 3 of the GPIO pins. The simple code below illustrates the issue. For visual diagnostics I'...
0
votes
0
answers
18
views
GPIO not performing program operations
I'm working on tensorflow lite project with custom models. I'm making a conveyor belt to detect and remove defective items which are trained by me. My camera detects object but when it comes to make ...
0
votes
0
answers
11
views
Extend GPIO ports or another options for use an HAT en 2" LCD SCREEN
I have a project to make a small robot based on Raspberry Pi 4. I am using an Adeept Motor V2 HAT that uses all the GPIO ports to control all the elements of the robot. I would like to add a 2" ...
0
votes
0
answers
14
views
no Analog reading (Using C)
so I'm currently working on getting readings from an analog sensor using the Raspberry Pi but I am facing an issue where i am not getting any analog reading (0 for readings), I am using the ADC chip ...