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1500 questions
10
votes
6 answers
Setting up Bluetooth dongle
I am trying to get my Bluetooth dongle set up. When I search for it using lsusb, the following comes up in the terminal:
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 002: ID 0424:9512 Standard Microsystems Corp.
Bus…

user7130
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10
votes
3 answers
How can I find the MAC address of my Wi-Fi interface?
I want to determine the MAC-address of my Wi-Fi interface on a Raspberry Pi Z W running Raspbian Lite.
Is there a command that I can run to tell me this? Is there a device in the /proc tree that will disclose it?

Bex
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10
votes
1 answer
Bluetooth does not work with Raspbian Stretch and Raspberry Pi 3
On a new install of Raspbian Stretch, log in and with the first command of systemctl status bluetooth, I get:
$ systemctl status bluetooth
● bluetooth.service - Bluetooth service
Loaded: loaded (/lib/systemd/system/bluetooth.service; enabled;…

Roxy
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10
votes
6 answers
ssh not working
I am not able to ssh into my pi.
RPI is connected directly to my host PC.
I have set IP address of my host :----
sudo ifconfig eth0 192.168.0.204 netmask 255.255.255.0 up
sudo route add default gw 192.168.0.200
Pi have default IP in network…

Allan
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10
votes
2 answers
How to install OpenSSL 1.0.2 on Raspberry Pi3
How do I install OpenSSL 1.0.2 version in Debian (Raspberry Pi3) OS. It just installs OpenSSL 1.0.1 automatically. I require version later than this i.e. 1.0.2* which supports DTLS.
Please help how to install latest version

Jyoti Raj Sharma
- 141
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10
votes
4 answers
NUT + CyberPower data stale
I've got upsmon (nut-client) and upsd (nut-server) set up and almost fully working on an RPi3.
Connected is a CP1500PFCLCD UPS via USB. upsd and upsmon start up perfectly every time. However, given about 2-20 hours of uptime, a "data stale" error…

Malachi
- 203
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- 8
10
votes
2 answers
Fixing issues with Powered USB Hub
With my PI I'm trying to use the F4U018 Belkin 7 port hub (yes - the one on the problem list). Its one of three I have around, all of which happen to be on the problem list - I don't want to shell out for another one.
The RPi/Hub is working fine…

Jon Egerton
- 3,083
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10
votes
4 answers
RPI zero W as both Wifi client and access point
Everything points to that the Raspberry Pi Zero W can be access point and connect to wifi at the same time.
According to this article, with the command iw list describes:
valid interface combinations:
* #{ managed } <= 1, #{ P2P-device } <= 1, #{…

Mario
- 101
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10
votes
1 answer
How to precisely capture the arrival time of an input edge?
On the Arduino / ATmega328p, the 16-bit Timer/PWM modules have a input capture unit that allows the precise time of arrival for an input edge to be recorded even if the processor is busy when the input edge arrives. (For details refer to the…

AJMansfield
- 201
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10
votes
3 answers
Are there any expansion boards available for the GPIO?
Are there any expansion boards available for the Raspberry Pi for use with the GPIO?

FarhadA
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10
votes
3 answers
Can't access shared libraries when running with sudo
I'm trying to get a demo working writing PCM to the I2S; I've created a small demo program that gives an error when I run with the following command ./demo stereo_small.wav
can't open /dev/mem
So I run with the this command sudo ./demo…

Dog Ears
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10
votes
4 answers
Disable sudo for user Pi (or require root password)
I'm pulling my hair out over this thing.
Using Raspberian here.
So I'm trying to restrict the Pi user from being able to use sudo without the root password. After heavy searching, I gave up on that, and now I'm trying to just disable all access to…

daviddavidson
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10
votes
2 answers
Implement a GPIO function with a callback calling a asyncio method
I am testing a sensor attached to the GPIO in raspberry using python 3.5. The idea is something similar to this link.
My code is:
gpio.add_event_detect(4, gpio.RISING, callback=lambda x: self.motion_sensor(message_manager_f), bouncetime=500)
def…

King Midas
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10
votes
2 answers
What's the right way to run a python script as a daemon (service) in raspbian (or debian)?
I'd like to use my Pi as a home thermostat, with the control loop running in a python script. I want to run it as a daemon on raspbian (debian) at startup.
There's an example bash script in /etc/init.d/skeleton, but it seems unpythonic to mash bash…

hobs
- 203
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- 6
10
votes
3 answers
SSH over Bluetooth with iOS
Is it possible to connect to a Pi3, over Bluetooth for SSH, for iOS?
I know you can connect to it with BlueZ, and SSH is possible over wifi, but I can't find anything about doing both.
The advantage would be to do it in an area without wifi. Maybe…

D. Clayton
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