Raspberry Pi Stack Exchange
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1500 questions
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5 answers

3.5 mm jack starts to "hiss" after sound is played

I'm having the following issues with my amp on the Raspberry Pi 2, Model B. Boot up the Pi, everything sounds great. Play a sound byte through the Pi (using ALSA) Speakers hiss regardless of PCM being "muted" (using alsamixesr) or having a any kind…
Mikey A. Leonetti
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How to start core 1,2,3 in Raspberry Pi 2

I have written a bare metal multi core example. Code, circuit diagram is here - https://github.com/jeffreyantony/multipi/tree/master/Example_01 In my example, there are 3 LED's connected to the GPIO pins of the raspberry Pi. There are totally 4…
robomon
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How can I log into my Raspberry Pi Samba share from Windows?

I'm trying to set up an SMB share on my network using Samba. I followed the directions here as well as I could as I have Raspbian installed on my Pi. When I plugged in my USB drive it automounted to /media/Media/ so I skipped the first part. What I…
Biff MaGriff
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May I redistribute Windows 10 IoT?

Say I have a Raspberry Pi 2, built something around it and wrote a piece of Windows 10 IoT software for it. Let's call the whole thing a "product" which fulfills a particular purpose. May I sell the product in this form or do I need a (commercial)…
Thomas Weller
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6 answers

How can I turn an GPIO to its alternate function?

I want to use the altenate function of GPIO 4 namely the GPCLK0 function. How can one set a GPIO to its alternate function? Many alternate functions are summarized here: elinux-wiki The best would be if it is possible with the wiringPi Library. But…
user61664
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5 answers

gpio library on windows while developing

I am new to Python so maybe this is not an appropriate question. I am working on a project on Python that will use GPIO functionalities of the raspberry Pi. Right now, I am developing the python code on my local windows environment. This is because…
luisgepeto
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3 answers

PowerShell can't connect to Windows IoT

I am following the instructions from Using PowerShell to connect and configure a device running Windows 10 IoT Core to access my Raspberry Pi 2 with Windows 10 IoT via PowerShell. PS C:\> Enter-PSSession -ComputerName minwinpc -Credential…
clamp
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Where is the space in my SD card?

I just got a raspberry pi. It came with an 8GB SD card (actually an SD adapter + microsd card) with the RPi logo on it. It supposed to have 8Gb, but "parted" command says something different ... $ sudo parted GNU Parted 2.3 Using…
FlamingMoe
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3 answers

Alter dhclient to retry fetching IP address

It turns out raspberry pi doesn't try very hard to get an IP address with dhcp, during a power failure, my rpi booted faster than the dhcp server, and never got an IP address. In such a situation, the rpi seems to be booted, but it doesn't get an IP…
nos
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How to add a package to official raspbian repositories?

How to add a package to official raspbian repositories ? Debian has a very extensive guide into the matter : https://www.debian.org/doc/manuals/distribute-deb/distribute-deb.html#adding-packages-to-debian But what about raspbian ? Will it…
Cerber
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3 answers

Are there any damaging effects to leaving the Raspberry Pi on all the time

I have a Raspberry Pi B+ hooked up to my router and I leave it on all of the time, it rarely gets switched off. Does this cause any damaging effects to the Raspberry Pi?
Darth Vader
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1 answer

How to investigate why device crashed?

My Raspi after 6 days of uptime just crashed. I wasn't able to see nothing on the screen, if I plugged a USB device, no action from it. And all the LEDs were steady and not a blink at all. I have the debian distro. I am trying to detect what could…
Pentium10
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4 answers

Reverse the expand root FS

When installing Raspbian, the first thing you're told to do is to expand the file system to stretch across the whole SD card. Works great. But what if I want to save space when doing a disk image. Can I reverse the expansion, and end up with a small…
Paolo Vacirca
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2 answers

GPIO Voltage Thresholds

It is obvious, that 3,3 V is a HIGH, and 0 V is a LOW at a GPIO input pin. But I am looking for the exact voltage thresholds for the GPIO input pins. I have a Pi B+ and a Pi 2. Watching this video (for an older Pi) I get: LOW: 0 - 1.19 V HIGH: 1.34…
Dennis
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Snappy Ubuntu - reasons?

It is probably a naive question, but why should someone install Snappy Ubuntu to a Raspberry Pi? I did not get the advantages over Raspbian Wheezy. Maybe somebody has some experience or a case...
jaromrax
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