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3 views

Bus error raspberry pi

I have a function make_model() which works fine everywhere and I ran it on my raspberry pi in the morning and it worked fine but now it gets the following error: Using TensorFlow backend. 2020-07-11 ...
0
votes
0answers
4 views

Unable to log into Ignition Account

While setting up ignition I signed up my username and password, but still unable to sign in, I reinstalled ignition but same issue.
0
votes
1answer
12 views

Creating a hotspot and connecting Pi to the internet over WiFi?

I would like to create a WiFi Hotspot using the Raspberry Pi. It does not have to provide a internet connection to the devices which are connected. But the raspberry Pi should still be connected to ...
0
votes
2answers
13 views

How to remove under voltage issue with Raspberry Pi 4

I have a project where I am using raspberry pi 4 and 5inch touchscreen. This screen is from waveshare but I have not enabled touch in it. I am using a USB splitter cable which on one end has usb male ...
0
votes
2answers
27 views

Do I need to use a UPS with my RPI?

Whilst I am OK with software, hardware especially electronics is not my field. I have an RPi. It is enclosed in an water-proof case apart from an aperture that lets out a usb-c cable. Inside this ...
0
votes
0answers
22 views

Optimize graceful shutdown / poweroff [closed]

I can't seem to find any www info on how to reduce shutdown time from shutdown now or systemctl poweroff on a Raspberry Pi? (a safe shutdown via software). Searching instead of Raspberry Pi (Raspian) ...
0
votes
1answer
17 views

Mirabox Capture Card and External Power Source

I'm looking to power my Raspberry Pi 4B from a 12V tractor battery. I have a buck converter which can be found here. I am considering using this device to step-down the battery voltage and hook up the ...
0
votes
0answers
19 views

How can I use the 200 seconds exposure time in Raspberry Pi HQ camera?

I would like to use the Raspberry pi HQ camera for astrophotography. I have read in this answer and comments on this question that I should be able to use a maximum exposure time of 200 seconds. This ...
-1
votes
0answers
19 views

cc: error trying to exec 'as': execvp: No such file or directory [closed]

I entered make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- rpi_defconfig getting the error : HOSTCC scripts/basic/fixdep cc: error trying to exec 'as': execvp: No such file or directory scripts/...
-1
votes
3answers
37 views

Battery Solution for Raspberry Pi 3b

I am working on a project for which I need to attach the four raspberry pi boards on the ceiling of the room (one at each corner). The script that will run constantly scans the BD Address and the RSSI ...
0
votes
0answers
17 views

Raspberry Pi Zero W auto login

I am trying to enable an auto login on a Raspberry Pi Zero W with Raspbian Booster 10. I am interested in the Desktop interface, not the Command one, which works with auto login enabled. I have tried ...
1
vote
1answer
25 views

Raspberry Pi ssh X11 Forwarding

I have a raspberry pi 4 (4gb) as my local machine and am trying to ssh in to an ubuntu laptop with X11 forwarding. I can connect just fine but I have the classic empty $DISPLAY variable and I'm not ...
0
votes
0answers
15 views

Wifi disconnects when logged in the desktop [closed]

Wifi disconnects when logged in the desktop but wifi restores when headless if logged in via the desktop, wifi disconnects all pings to and from raspbian buster is timed out but i turned off my ...
0
votes
1answer
26 views

Raspberry pi 4 bluetooth file transfer rate [closed]

I am new to raspberry pi so please forgive me if I ask a silly question. What I am trying to do is send files from my windows 10 laptop to raspberry pi with raspbian OS, I was able to send some data (...
0
votes
1answer
36 views

what servos should I use? [closed]

I want to make a humanoid robot with my pi, but am unsure of what servos I would need. I did some research and found out they a rated in kg/cm, so I calculated the weights they would be lifting, ...
1
vote
0answers
12 views

Kernel.img displays a blank screen instead of the intended text to be printed | Bare Metal | Pi Zero

Please note that I am building this Os through a different sd card with raspbian, but on the same machine(Pi Zero W) as the one I'm testing my Os on. I am trying to learn how to create my own ...
0
votes
0answers
20 views

ACT (green) light blinks 7 times on startup

I use PINN to dual-boot between the 32 bit and 64 bit Raspberry Pi OS. When I boot to the 64 bit version PINN exits and the screen blanks, but then the ACT light repeatedly flashes slowly 7 times. ...
1
vote
1answer
16 views

Minecraft server closes after closing remote connection on headless Rpi4B 2GB

I had a spare pi lying about, a model 4b with 2GB ram, and recently I had been playing alot of Minecraft games with my freinds over lan from my pc but realised I could setup a server off my pi. But ...
0
votes
1answer
16 views

MiniDLNA doesn't want to refresh - different version

Long story short: MiniDLNA installed, manual refreshing via -R does NOT work. But inotify works. Partially. I start MiniDLNA - 0 files. I move all my files from the default location away and move them ...
0
votes
3answers
20 views

how to create .iso file from Raspbian SD card with two partitions

a few years ago, when I created my Raspbian SD card from a downloaded Raspbian iso file, it created two partitions - boot and data. Now I want to clone what I have into a larger SD card. How can I ...
0
votes
1answer
17 views

how to acces mini uart on a raspberry pi 0?

I would want to be able to access the serial console and have an extra serial port so is there any way to access the mini uart with the gpio since its not being used for bluetooth. I'm using a ...
-1
votes
0answers
17 views

ERROR: vfat(boot.vfat): could not setup bcm2710-rpi-3-b-plus.dtb [closed]

I am getting below error while compiling buildroot for raspberry pi 3 ERROR: file(bcm2710-rpi-3-b-plus.dtb): stat(/home/rpmuser/buildroot-2019.02.8/output/images/bcm2710-rpi-3-b-plus.dtb) failed: No ...
0
votes
0answers
16 views

manually update curl on raspbian stretch

Raspbian stretch only supports curl 7.52.1, but I need at least curl 7.56 for an application. Is it save to manually update curl or is it likely to breake the linux distro?
0
votes
2answers
41 views

Raspberry Pi 3 high IO

my Raspberry Pi 3 is currently suffering from a very high IOWait. Running iotop gives me the following: It's listing some perl process but I have no idea what it is or why it's using 99% IO. Any help ...
-2
votes
0answers
21 views

How to get CPU temperature in Assembly

Is there any way to read Raspberry Pi's CPU temperature using Assembly? I tried searching in the internet but there are only informations how to do this on linux via command.
0
votes
0answers
19 views

open GUI terminal automatically using systemd service file

I have a shell script that i run with a systemd service file. The shell script executes a python script. The service file works and the script is executed, but i cannot see a GUI terminal, in order to ...
1
vote
2answers
40 views

BlueZ BTGATT-client.py WriteValue

I had a successful attempts with BlueZ-5.50 > test > example-gatt-client.py with ESP32 set as HeartRate Sensor Server.I am able to read from ESP32 which i modified to suit the BlueZ example. ...
0
votes
0answers
11 views

Bluetooth library for Raspberry Pi

Based on this update of the author of bluepy https://github.com/IanHarvey/bluepy/issues/403 it looks like it will take some time before it is updated or might be abandoned if there is no further ...
0
votes
0answers
10 views

LAN_RUN device tree dt-blob.dts for LAN95XX

I have setup Compute Module 3+ with LAN9512 for ethernet port. The only problem is the ethernet chip needs a pull_up for shutdown I have connected GPIO31 to LAN_RESET in my circuit I am trying to ...
0
votes
0answers
35 views

Problematic : booting from SSD on raspberry pi (new to raspberry pi)

Recently got a raspberry pi 8, and want to configure it to boot from SSD i have.. i am new to linux, so i may not be doing this right, but i have followed instructions on several guides i found online ...
1
vote
1answer
48 views

Pi 4 performance against x86 - CI/CD server with Java/Maven

I was considering using a Raspberry Pi 4 as a cheap CI/CD server with Jenkins & Maven. Does anyone have a performance comparison of a Pi 4 against a modern Intel Core i3/i5/i7. For example, how ...
0
votes
2answers
24 views

Best resource for raspi-config equivalents in config.txt

I am trying to figure out how to edit my /boot/config.txt with the same functionality implicit in raspi-config. For example, I'd like to know how to enable/disable for "P6 Serial" in this ...
0
votes
2answers
17 views

Pigpio get_pwm_dutycycle returning old values

Using pigpio, I can set the hardware PWM value but getting it seems to consistently give three of the old values, a zero and then the new value, as well as the old value returned with the initial ...
0
votes
2answers
38 views

rc.local shell script to run socket program

I have a raspberry pi 4 and i connected a sixfab LTE HAT to it. I wrote a program that works manually (sudo python3 server2.py). I wrote a simple shell script and put it to rc.local that has the ...
3
votes
4answers
258 views

Voltage monitoring of battery pack (i.e. before voltage regulation)

I am looking to use four 18650 batteries and a step-down DC-DC converter to power my Raspberry Pi 4. The negative terminal of the DC-DC converter is common for the input and the output. I would like a ...
0
votes
1answer
35 views

PWM issues with pigpio and RPi.GPIO

I am using Pi Zero W with latest Raspberry Pi OS. I have a backlight of an LCD that I am trying to control via PWM. If I use RPi.GPIO I get flicker at anything other that 100% (or 0%) duty cycle. As ...
0
votes
1answer
31 views

What parts to control a 220V button (not constant, but connecting for 1 second)?

I want to automate a dumb analogue door opener. My guess is that if I connect the two lines for a short amount of time (1 second, maybe), the motor on the door opener works to open the door. The ...
0
votes
0answers
22 views

TCPDUMP stops reading after 20 minutes [closed]

Raspberry wifi is configured as monitor and after launch a tcdump for reading beacons, 20 minutes after launch read stops but tcpdump is running... There ir no reason on console, log or .cap that can ...
0
votes
1answer
21 views

Two USB cameras and ASP.NET Core

I want to build a project based on Raspberry Pi 4B and I would like to hear opinion someone's more experienced with this platform (as I am mostly SW and did some projects with Arduinos) if it is ...
-1
votes
0answers
51 views

My Raspberry Pi is automatically rebooting at a specific minute

My Pi is rebooting randomly. When it reboots, the time is usually 17-18 minutes after the hour. What could be the reason behind this?
0
votes
0answers
15 views

Pi 4 / Buster (desktop) stopped automatically mounting USB-connected SSD drive to /media/pi

I have an ext4 external SSD drive connected via USB. Until today it always automatically mounted the drive when the desktop manager started up, to /media/pi/drivename. Today I got some error, I ...
0
votes
1answer
27 views

Boot Rpi 0W via start-signal from Arduino Nano 33 IOT

My Arduino Nano 33 IOT and Rpi 0W can either share or have their own 5V powerbanks. I would like to boot Rpi via a signal from my Arduino, i.e. the Rpi boots on Arduinos command. Can this be done? How?...
2
votes
2answers
239 views

Raspberry Pi random reboots (Raspi 3B+)

I have a raspberry pi 3B+ model that I bought back in February 2019. For sometime, I "remember" it was working fine (although I can say from experience - memories can be deceiving). Then I ...
0
votes
0answers
20 views

No signal red light on green light flashes 4 times [duplicate]

Some please talk to me like Im an idiot and explain how I can fix my sons computer. Power on, red light on - green light flashes four times. It was working ... now no signal and issues. I have no idea
0
votes
0answers
14 views

rpi zero wh as a hackstation fittable external wifi adapter

i'm planning on using rpi zero as a remote server, in a hackaton. i'm trying to figure out, which adapter to use with it. will any adapter going to work via the OTG or do i need to find a rpi zero ...
0
votes
0answers
13 views

Stich multiple videos to one HDR clip?

Hey :) I got a strange question: I´m currently working on building a GUI for the Raspberry-HQ-Camera and noticed that it is possible to record up to 3 videos at the same time. So my question is if ...
0
votes
1answer
17 views

Service in systemd dies when logging rotated

I have a Python program that I start on boot with a service in systemd. It works fine until Unix tries to rotate the system log file, and I get an error: "Journal has been rotated since unit was ...
0
votes
0answers
21 views

reboot does not work after setting OTP to USB host boot mode

On an Rpi 3 model B V1.2, I changed the OTP to boot from usb device like here. It works as it should but if I issue a "sudo reboot now" command, the computer shuts down but doesn"t ...
1
vote
3answers
57 views

Does Raspberry Pi 4 consume considerable amount of power in soft-off state?

In the Start menu (you know, the fruit button at the top-left corner), I clicked shutdown. I did not unplug the USB-C power cable. The red light was still on, but I thought it was like the sleep light ...
0
votes
0answers
21 views

Emailing with python problem [closed]

I'm trying to send emails with claws mail through python. I used to do that with google, but they give me grief about logging in with a non google app. This is the code I tried: # instance ...

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