Questions tagged [raspberry-pi]
Ultra low-cost computer the size of a credit card. Also check the Raspberry Pi SE: http://raspberrypi.stackexchange.com/
837 questions with no upvoted or accepted answers
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Raspberry Pi won't bring up wlanX interface - multiple wireless interfaces
Let me jump straight in.
I am using a raspberry pi 3 running latest version of raspbian (pixel) as a router/wifi hotspot
I have 3 wireless interfaces:
built in wifi interface (brcmfmac)
TP-Link ...
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Does Raspberry Pi 4 support AES hardware acceleration?
I have Raspberry Pi 4 B (4GB version), I wonder if it supports AES hardware acceleration (so some special instruction set for CPU for faster encryption).
According to https://en.wikipedia.org/wiki/...
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Raspberry pi wpa_supplicant can't connect on a specific wifi. CTRL-EVENT-ASSOC-REJECT status_code = 16
I'm having trouble connecting to a specific wifi using raspberry pi. Here is the output when I check /var/log/syslog:
Jun 19 09:44:52 raspberrypi wpa_supplicant[447]: wlan0: Trying to associate with ...
8
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1
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dd always fails to write one partition on first try; succeeds on second
For a robotics project, I've assembled a make target that uses dd (actually dcfldd) to write a Raspbian Jessie image to SD card. This way, I can be assured that my environment is reproducible from ...
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How to install the Ubuntu OS in Orange Pi 4G IoT?
I have recently buy an Orange Pi 4G IoT and I have installed the Android 6.0 successfully.
But for my project need I want to install the Ubuntu OS in it.
Can anyone help me.
Previous Work
Download ...
6
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0
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losetup refuses to detach
I've done the following several times, but now it doesn't work anymore:
downloaded the latest Raspbian image
qemu-img resize 2017-06-21-raspbian-jessie-lite.img +300M
sudo losetup -P /dev/loop0 2017-...
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Install Shiny Server and Rstudio Server on Raspberry Pi 3
I'm trying to install Rstudio server and shiny server in Raspberry Pi 3. It has a ARM architecture which is same as many chromebooks. There are serveral sources I've found
but non of them seems to ...
5
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1
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How to change the gamma/contrast/brightness of an LCD monitor via a Raspberry Pi?
I'm using Raspberry Pi B+ V1.2 with Raspbian.
My Samsung 960BF doesn't have any hardware adjustment, only a power button.
I tried using xbacklight and got error:
No outputs have backlight property
...
4
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Compile ffmpeg with mmal
I'm trying to compile ffmpeg with omx and mmal support for the raspberry pi zero on Debian Jessie. Omx seems fine and I got the headers from libomxil-bellagio-dev as per this stack overflow answer ...
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ALSA buffer xrun when recording with ffmpeg
Is there any way to increase the ALSA buffer size?
When running this command:
ffmpeg -f alsa -ac 2 -i hw:1 -ar 44100 -b 64k output.mp3
I get a "ALSA buffer xrun" before my system locks up
Input #0, ...
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Sending text messages from Raspberry Pi via email fails
I'm using mailx on my raspberry pi to try to send text messages updates for event monitoring.
My phone number: 9876543210
My phone's email-to-text gateway address: [email protected]
I can
Send ...
3
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(Re)start Linux NetworkManager or reconnect once the Wifi Access Point is active
I have a Raspi which Wifi connection is controlled by Network Manager.
The problem is that after a power loss the AP comes on-line later than the RasPi. This results in an initial failure of NM to ...
3
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1
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Setup Device Provisioning Protocol (DPP), also known as Wifi Easy Connect, with two Raspberry PIs
I would like to connect one Raspberry PI to a Wifi network using DPP (Wifi Easy Connect) by another Raspberry PI that is already connected to this network.
Both PIs are version 5 with Linux ...
3
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1
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wpa_supplicant disconnects with reason=3 on connection
I am using a raspberry pi 4 to connect to my college network (so using WPA-Enterprise using PEAP) using wpa_supplicant
when I run the command,
sudo wpa_supplicant -c/etc/wpa_supplicant/wpa_supplicant....
3
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No ping6 btween devices, 6lowpan network with raspberry pi
I am trying to make a 6lowpan network with raspberry pi device(s) and embedded systems. I enabled bluetooth_6lowpan (modprobe bluetooth_6lowpan and echo 1 > /sys/kernel/debug/bluetooth/...