Raspberry Pi Stack Exchange
Raspberry Pi Stack Exchange

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1500 questions
23
votes
6 answers

Has anyone got a Text to Speech engine installed?

Just wondering whether anyone has got a Text to Speech engine installed on the Pi?It would make a great addition to almost any programming project to make it talk to the user!
Alex Chamberlain
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23
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2 answers

How can I control a 12V motor?

I would like to control (switch) some 12V DC motors using the GPIO pins. I do not have (or want to use) an expansion board. Nevertheless, I think this should be possible using a transistor switch (and some resistors). So, assuming an external 12V DC…
Darren Wilkinson
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23
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3 answers

Is there a way to perform a full system encryption of Raspbian?

My Question is: I'd like to use my Raspbian encrypted, just like it is standard on Debian, Ubuntu or other Linux-Distros. My Problem: Technically, you are not installing Raspbian on a Raspberry Pi or a SD-Card, instead you are copying a prepared…
Toralf Westström
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22
votes
6 answers

Larger Touch Screen Displays

I was hoping to find a larger touchscreen display that will work with my Raspberry Pi. I wanted to make a "kitchen use" kiosk for looking up recipes, watching cooking shows etc. I was hoping to find a touch screen display that was 14" or larger…
john.weland
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22
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4 answers

Maximum, demonstrated SD card durability

UPDATE: I was able to solve this problem years ago, but for anyone reading this in the future, the durability problems turned out to be related to flaky power supplies. --- Original question --- I'm attempting to use the Raspberry Pi as an…
jefflunt
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22
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2 answers

What does "dtoverlay=dwc2" REALLY do?

Please don't point me to what it is used for, there are plenty of articles telling me how to make my Pi Zero an ethernet gadget. Putting "dtoverlay=dwc2" into /boot/config.txt appears to fix a known issue with a CH340 Usb to Serial device (arduino…
Lee Sanders
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22
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3 answers

What is the difference between CEA and DMT?

I have connected my RPi to a television using a HDMI to DVI cable, but the resolution is awful. The font is not sharp, so I need to use a lower resolution. For that, I can run a command like tvservice -e CEA\ 20. In this answer, Jivings writes that…
Lekensteyn
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22
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3 answers

Can I power a Pi through a 5V pin?

The PIN mapping of the Raspberry 2B says: The red ones are 5V pins. Are these just used as 5V out pins when power is connected through Micro USB? Or is it also possible to power the Raspberry Pi via those pins, so that I can get rid of the Micro…
Thomas Weller
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22
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4 answers

Image of a 16Gb card containing unpartitioned space at the end: Truncating possible?

I wanted to prepare a distro for some friends. As I didn't have anything else lying around, I used a 16Gb SD card. I started with the default Debian Weezy 2Gb image and did not do any resizing. Now, as I am done, I wanted to create an image of what…
Nippey
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22
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2 answers

Is mame ARM compatible?

I'm still waiting on my Raspberry Pi, but when I get it, will it be possible to run Mame on it? I'm not concerned about how it will perform, but I've got my mind set on a project and want to know if it will work in the first place.
Kyle Macey
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22
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8 answers

Set up a Raspberry Pi Zero W without monitor or ethernet module

I bought the new Raspberry Pi W but I don't have right now an mini-HDMI adaptor (to connect it to a monitor) neither an Ethernet module to connect by SSH. Can I connect somehow by SSH through USB? How can I connect by SSH by WiFi without it being…
Mikel
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22
votes
3 answers

How to increase resolution on latest Raspbian Pixel while connected to VNC client?

I downloaded and dd latest image of Raspbian Pixel on sdcard of Raspberry Pi 3. I activated VNC interface from Menu> Preferences> Raspberry Pi Configuration. Raspberry Pi is connected to the wifi and I access it on my iPad mini using VNC Viewer app.…
user55112
22
votes
2 answers

How do I change the editor used by visudo?

I would really like it to be vi or vim. I mistakenly typed some vi commands in the default editor for visudo, which I believe is nano, and broke /etc/sudoers so badly I think I am going to have to burn a new image and start over. I've been able to…
Vicky T
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22
votes
1 answer

Why Does raspi-config Depend On triggerhappy?

As far as I can tell, triggerhappy is a daemon for handling custom input. Since I have no direct use for this functionality (and there are no rules in /etc/triggerhappy/triggers.d/ by default) I want to remove it (for security/performance/OCD…
Hydraxan14
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22
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5 answers

Raspberry Pi 3 micro SD card speed

With the new Raspberry Pi 3 out, is the speed of the bus still limited to around 20 MB a second? I am looking to purchase a micro SD card in it and I am not sure if I should spend the extra amount for a UHS-3 card that can get around 30+ MB/s…
Oscalation
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