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5G mini WiFi USB dongle to work with Compute module 3B+ and latest Raspbian OS

I have developed a client-server application in Raspberry Pi and used the edimax WiFi dongle to configure WiFi and access point needs. Now I want to change this Edimax mini USB dongle to a better 5G ...
0
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0answers
16 views

Installing Reaslsense On Raspberry Pi 4

Hi I am curious if anyone has seen this issue before? When I try to run realsense-viewer, it outputs "Could not initialize offscreen context!" PS: Followed this https://github.com/IntelRealSense/...
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0answers
14 views

Selenium and bs4 for Raspberry Pi Webscraping?

I am about to drive myself mad with this problem. After a few days, I have gotten my Raspberry Pi up and running with Selenium using Chromium and its webdriver. It pulls up the webpage and even ...
0
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0answers
27 views

All in one Raspberry pi Server?

Does Grafana server + influxDB + ChirpStack Gateway OS full runs on same Raspberry pi that RAK2245 mounted gateway? As you know latest raspberry pi 4 have 8gb ram. I will only monitor about 20-30 ...
0
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1answer
23 views

I need to troubleshoot a re-install of NOOBS

I had been using my Raspberry Pi as a desktop computer, and I wanted to reset it so that I could use it for a project, so I moved my personal files to a newer computer, and formatted the sd card, ...
0
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0answers
11 views

RasPi4 shows two connected screens even though there is only one

So I'm currently building my Smartmirror with Magic Mirror and I have some problems with the screen configuration of my Raspberry Pi 4 running Raspbian Buster. I tried changing the screen orientation ...
0
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0answers
11 views

How to backup a compressed version of your raspberry pi sd card image on Windows 10?

I'm interested in backing up my hard work and time invested RPi image with all packages setting and files installed in there and put it on a RPi zero w from RPi 4B so I've seen this thread on the ...
0
votes
1answer
14 views

SD Card Resize on 32gb SD Card Raspberry Pi

I have a 32gb SD card in my Raspberry Pi. I'd like to make use of all the space, please can someone tell me how to resize? Disk /dev/mmcblk0: 29.7 GiB, 31914983424 bytes, 62333952 sectors Units: ...
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0answers
11 views

Detection of Compute Module 3+ fails

i am having problems getting the CM3+ to show up on my Windows 10 64 bit OS. I connected the USB Slave to my Win10 machine and connected POWER IN to another USB Port (of a different machine, so just ...
0
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1answer
14 views

How to interface MLX90614 temperature sensor with Raspberry Pi

I have a mlx90614 sensor and I am interfacing it with raspberry pi 3 B+. I am using adafruit library python. Below is the code: import Adafruit_GPIO.I2C as I2C I2C.require_repeated_start() class ...
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0answers
19 views

Use Sony LCD screen with Raspberry Pi

I have a Sony Bravia model KDL-43W800D. The motherboard has gone faulty and does not even startup. The TV is dead. Can I use the screen with an external video and power controller and connect it with ...
0
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1answer
15 views

How to disable services on DietPi (debian linux) and harden the security?

Fresh DietPi install has bitcoin client and all sorts of unnecessary services installed. Which ones can I remove and how? The goal is to have a simple system can displays a website (needs to be able ...
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0answers
21 views

Artifactory Installation on Raspberry Pi 4

I have been trying to install Artifactory OSS on my new Raspberry Pi 4 (raspbian), but no luck so far. I tried all the ways suggested here but nothing worked. For example, Archive Installation fails ...
0
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0answers
33 views

64Bit and Wolfram Mathematica

My new RPi4 arrived yesterday, and I'm trying out the 64bit OS. Most of it has been fine. As a large program to try out the 64 bit space Common LISP in its SBCL implementation installed and ran fine ...
1
vote
1answer
48 views

GPS Module not working

Hi guys i'm quite new to raspberry pi and i'm having trouble with a GPS module that i have bought. https://wiki.52pi.com/index.php/USB-Port-GPS_Module_SKU:EZ-0048#Trouble_Shooting i go to installing ...
-1
votes
1answer
46 views

Desoldering ports on Pi4

Are there specific considerations to quality of traces/pcb for data? I want to desolder the ports on the Pi4, replace them with pins and mount the Pi to a dumb board that extends the lines to put the ...
0
votes
1answer
13 views

Device Tree configuration for I2S sound (MAX98357A)?

What needs to be done to run an I2S DAC/Amplifier board based on MAX98357A (datasheet) that appears to be a clone of this well-documented Adafruit product with the corresponding Device Tree overlay? ...
0
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0answers
23 views

Configure Pi 4B to hear specific sounds and light LEDs in response

I am trying to make a sound sensor using a Raspberry Pi 3B. I would like it to be able to differentiate between a door knock and a phone ringing. When a sound is detected, i would like to light a ...
0
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0answers
17 views

Enabling software i2c causes boot failure

I have a Raspberry Pi 4 model B, fresh installation of Raspberry Pi OS. I am trying to use software i2c to get around the clock stretch bug in the broadcom 2835 chip. I edit /boot/config.txt to ...
0
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0answers
20 views

Data file edited/created with vim/nano had problem with python?

I found out that data file (.txt or not) edited or created on vim or nano could not pass data after python script executed. I went through tested 2 raspberry pi (one with raspbian stretch and the ...
0
votes
1answer
18 views

Certain WiFi connections are greyed out and not accessible

Certain WiFi connections are greyed out and not accessible on Raspbian. I did try to modify the wpa_supplicant.conf but the changes don't seem to work. Does anybody know the correct way to add a WiFi ...
0
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0answers
13 views

how to improve real-time image processing performance

how are you? I hope you all do well. If someone could help me with an issue I would be very grateful, I am working on my Final Paper on my raspberry pi 3b, and I noticed when run remotly on VNC that ...
4
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2answers
1k views

Run 64-bit Raspberry Pi OS beta test version

With the latest release from 2020-05-27 the operating system was renamed from Raspbian to Raspberry Pi OS and its image names are changed from e.g. 2020-02-13-raspbian-buster.zip to 2020-05-27-raspios-...
0
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0answers
9 views

How do I use the proper linux header extension folder

I am trying to build a TP-Link driver and when I run make I get... "******************************************" "NO SKRC,we will use default KSRC" "******************************************" make ...
0
votes
1answer
23 views

Error when installing PiHole on Raspberry Pi Zero

Machine: Raspberry Pi Zero OS: Raspberry Pi OS (32-bit) Lite Hello, today i wanted to install PiHole on my Raspberry Pi. But when I try to install it via the script as a root user, it fails after I ...
0
votes
1answer
26 views

Add WiFi details and SSH to Pi Zero W

I have a Pi Zero W which I want to use for the MagicMirror. Because of some hardware limits I have to install "Jessie" to make it work. No problem there. The problem is that I need to add the WiFi ...
1
vote
1answer
22 views

Is it safe to connect a 3.3v fan to gpio instead of power? [duplicate]

I have a Raspberry Pi 4B and a fan. According to the instructions paper of the fan, it should be connected to a ground and a 3.3V power , or a ground and a 5V power. So I've used the former setup ...
0
votes
1answer
16 views

Trying to install OrientDB a run it as service

I'm trying to install OrientDB on my Raspberry 3, and configure it to run it as a service. I'm following the instruction found at here. I downloaded the binaries, and unpacked them at /opt/orientdb/ ...
0
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0answers
13 views

RPI2 with two WiFis works ok for single requests, browsing is impossible

I want like to create a simple WiFi booster with Raspberry PI. So I have RPI2 with two dongles: Ralink (rt2800usb) and Edimax (rtl8812au). pi@raspberrypi:~ $ lsusb Bus 001 Device 005: ID 148f:5370 ...
0
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0answers
15 views

Moving /home dir form sd card to USB drive on a Rasspberry pi 4

I'm trying to run Insightface package on raspberry pi 4 after struggling to install all required packages namely cv2 and mxnet but when I exit python or run my program I get “corrupted size vs. ...
1
vote
1answer
13 views

Rasbian WebDav-Client davfs2: Create folder successfully, but files won't

Dear specialists :) , I got a lot of help during the last month from this forum but this time I can't find the right thread. Problem: I had connected a WebDav-Connection to the https://dav.mailbox....
0
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0answers
7 views

xpt2046 LCD touch sreen doesn't work with xserver

I had installed the touchscreen on the gpio of my pi 0w and did worked like a charm. Then I decided to install Xserver, lightdm : sudo apt install raspberrypi-ui-mods After what the screen is grey ...
0
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0answers
17 views

Raspberry 4 not booting - green and red light not blinking - sd card problem?

My raspberry 4 bought on amazon doesn't want to boot, both red and green light are on but none of them are blinking even when plug / unplug the sd card, no reaction from the raspberry, my screen ...
2
votes
2answers
37 views

Output resistors and GPIO

I am planning to control a IC ([CD74HCT299E][2]). I have currently GPIO-pins directly hooked up to the IC. My Question is, does the Raspberry pi have resistors before the GPIO-pin, or do I have to or ...
0
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0answers
9 views

Sound dleayed or too early after winding/stepping in video

I have a problem after updating my old Raspi 1 from a very old version to a newer one (per automatic). Still in use, because it did well, what it should do. Raspi 1 Openelec 8.0.4 Kodi 17.3 The ...
0
votes
0answers
22 views

How much video can I store on a pi 3 a+?

I recently got a pi model 3 a+ and a camera module 2.0. I need to store about three hours of video on it. I have a 16gb SD card with raspbian installed. Can someone tell me how much video I can record ...
-1
votes
2answers
34 views

Raspberry Pi 4, terrible performance at the USB3 port

I have installed my Raspi 4 freshly today (latest Raspberry Pi Os). The SD Card performance is kind of okay (~40 MB/s write). However the USB3 performance is terrible. I have plugged in a mobile ...
-1
votes
0answers
26 views

Raspberry Pi motion sensor always high even when movement is not detected

I'm trying to use a motion sensor with the Raspberry Pi but despite all the tutorials I followed, the input of the raspberry pi is always high. Here is my code below. import time GPIO.setwarnings(...
0
votes
0answers
7 views

Adafruit PiTFT capacitive touch not showing on i2c

I recently picked up one of the overhang versions of the pitft 2.8 capacitive touch and tried the easy install with the 640x480 mirror of HDMI in pixel/xwindows. But I was not getting capacitive touch....
1
vote
1answer
48 views

Raspberry Pi motion sensor always high

I'm trying to use a motion sensor with the Raspberry Pi but despite all the tutorials I followed, the input of the raspberry pi is always high. Here is my code below. I used a LED to turn it on when ...
0
votes
0answers
17 views

pi 4 freezing when i try to open openshot or vlc media player

I have watched my cpu and memory usage when try to open these apps cpu does not go above 20 % memory stays in the hundreds. I also tested my sd card and it passed. I have this problem with two units.
0
votes
0answers
49 views

Raspberry Pi 4B Keeps Crashing

I'm not sure what happened. I have my Raspberry Pi 4B running on Raspbian Lite (May 2020 version). This all started happening when I decided to use my Pi to run a game server. I decided to submerge it ...
0
votes
0answers
19 views

Ham Software MSHV [closed]

If you are not a Radio Ham, this is NOT for you Since Christo LZ2HV , who writes the software MSHV moved to using QT5 , I know there have been a few problems with RPis, especially with Buster. I ...
0
votes
1answer
21 views

Messed up something with Python 3/pip3/Miniconda 3 Installation and Linked Directories

So I'm not exactly sure what I did but I was trying to upgrade from Python 3.4.3 (Miniconda 3) to Python 3.8.x and somewhere along the way I ended up deleting a folder or symbolic link. My main issue ...
0
votes
2answers
29 views

Can't access use my 802.11 wifi usb in Raspberry PI zero

I am newbie to Raspberries, and I couldn't install the driver correctly. My Raspberry PI 0 is the version without wifi, and i am trying to install the driver offline of an wifi usb dongle (Realtek ...
0
votes
1answer
20 views

broken apt update due to change of sources.list

pi@raspberrypi:~ $ sudo apt update Get 1http://archive.raspberrypi.org/debian buster InRelease [32.6 kB] Get:2 http://raspbian.raspberrypi.org/raspbian buster InRelease [15.0 kB] ...
-1
votes
2answers
21 views

How to install Oracle JDK 14 on my Rasberry Pi 4B?

I'm trying to install jdk 14 on my raspbian pi 4b but all tutorials either show how to download open-jdk or how to download an old oracle jdk version. I've already tried to install the .deb file ...
-1
votes
2answers
29 views

Pi 4 Boot problems, no LEDs [closed]

I am new to Pi's and have just bought a Pi 4 with a 64Gb card - bought as a complete package The fan works but there are no green or red LEDs lit on the board There is also no HDMI output What is the ...
1
vote
2answers
104 views

can undervoltage damage Pi 3?

I was running a Pi 3b model from an "insecure" power source, aka unknown car radio USB, no idea how many amps it gives. but the lightning symbol appeared on the HDMI screen, then the screen flicked a ...
1
vote
0answers
21 views

Failed to start Load Kernel Modules for installing Ubuntu 18.04 on Raspberry 4

I tried to install Ubuntu 18.04 on Pi4. I followed the link from ubuntu for pi. After inserting the SD card with Ubuntu image, the error appeared after few lines with [FAILED] Failed to start Load ...

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