0
votes
0answers
6 views

How can a USB Bluetooth Dongle be used as login TTY

I would like to be able to use a Bluetooth Dongle - not the HC06 module, but a simple USB dongle (the pretty generic kind, or even poundshop type) as a serial login console/tty. I have already tried ...
0
votes
2answers
9 views

Is Raspberry Pi powerfull enough for commercial web development?

I'm considering buying a raspberry for everything work related, especially software development for the web, since i'm a software engineering student and web start up founder. I would like to know if ...
0
votes
1answer
18 views

16GB Micro SD Card, but out of space.

I have a 16 GB SD card, but apparently I am already out of space! I ran ncdu / and apparently I am only using 2.5 GB. How is this possible? There is no way that the OS (Raspbian) is taking up the ...
0
votes
0answers
9 views

Can I use my raspberry pi as a wired access point

I'm in a situation where I have a device that only has an ethernet port, and I want to make it somewhat mobile. Can I use a raspberry pi to connect to the internet wirelessly and then use the ethernet ...
0
votes
0answers
10 views

My sdcards won't boot

I have several SD cards (three, currently). They are perfectly functional and I can use them in computer. However, when I dd any RPi image to them, they won't work. It just doesn't boot. Only red LED ...
-2
votes
0answers
19 views

How could I make a self levelling system? [on hold]

I want too use the raspberry pi as a levelling system in a motorhome, but have no idea of how to go about it.
0
votes
1answer
22 views

Emulate GPIO activity

I'm working on a project using GPIOs. I struggle to write some automated testing code. I would like to emulate activity on /sys/class/gpio/X/{direction,value}. Is there a way to achieve this? GPIO's ...
1
vote
1answer
24 views

cheap low light display for PI

I'm trying to build a dual-head alarm clock with a raspberry pi (1 pi, 2 display/button stations, 1 for each side of the bed). I was planning on using a pair of these off the composite port: ...
0
votes
0answers
9 views

Too many texture accesses

Opengl ES 2.0, GLSL version 100. I am using window (playing with 3x3 or 5x5, ...) in fragment shader, and was wondering what is the max number of texture accesses allowed? Because when about ~ 50 ...
1
vote
0answers
39 views

Did my PI lockup or was it halted?

I couldn't connect to my pi this morning until I turned it off and on again. I did this at around noon, didn't record the exact time, thereafter it connected via ssh. My sys.log state: Sep 18 ...
1
vote
1answer
24 views

How should I mount a raspberry pi model B rev 1

I'm looking to include a pi in a project and investigating ways to mount it into the project enclosure. I don't want to damage the pi as I may want to remove it in the future so things like hot glue ...
0
votes
0answers
15 views

how to get rid of colored grid on 100% cpu?

Whenever there is 100% cpu usage, I see a colored grid on right top corner of the screen, which is on top, even if fullscreen video is being played. This started happening after i fired update and ...
0
votes
0answers
12 views

Live audio streamed over wifi

Has anyone had any success taking live audio (like from an audio mixing board) into a Raspberry Pi and then streaming it over wifi to another Raspberry Pi for playback. Its very much like Airplay but ...
1
vote
3answers
24 views

Root file system corruption of RO partition

I am trying to run the system as an appliance style device (no monitor, keyboard, etc.) To keep the OS protected, I have made the root file system read only and moved config files and mysql to a ...
1
vote
1answer
23 views

How do I connect to my router through wifi?

I've bought a wifi adapter for raspberry pi, I don't have an OS, I'm running RetroPie so I need a console solution. Someone suggested accessing: sudo nano /etc/network/interfaces and changing it ...
0
votes
1answer
15 views

NoIR raspberry set the blue filter

I just got my NoIR raspberry pi camera and it comes with a blue filter. More info here: But I don't know how to place it. The lens comes with a blue label too and I don't know if that is a blue ...
0
votes
0answers
21 views

How to blink LED when a USB drive is attached?

I've managed to turn on a LED on the GPIO pin when i connect a USB drive. I've managed to turn it off as well when the USB drive is disconnected. Now i'm trying to get it to blink but having ...
0
votes
0answers
10 views

Looking for a reference sheet for both Raspberry Pi and electronics for a study gruop

I'm planning to start a robotics study group for children or adults new to both electronics, robotics and programming. I've collected some reference sheets for programming, but I can't find any good ...
1
vote
2answers
29 views

Building a remote drone with a pi

I am having trouble with powering my raspberry pi drone. I cant seem to find a battery small enough to let the drone fly but large enough to sustain flight for a decent amount of time. Any ...
1
vote
1answer
22 views

WiringPi + softPwm calculation to determine duty cycle

For my project we got a pre-installed rpi with all the working libraries and an example program to set a servo in middle position. The info: in a period of 20ms (50hz) we need 1,5ms to set it to ...
0
votes
1answer
23 views

sshd stopped accepting external requests

EDIT: I dont seem to get an error from the rpi, well it ignores the request as for as I can see grep sshd /var/log/auth.log says Server listening on 0.0.0.0 port 22 I have been using ssh to ...
0
votes
0answers
33 views

How to diagnose if lost WIFI connection issues are hardware/software

1) How can I determine if a permanent loss of connection, over ssh, is caused by hardware or software? 2) Are there any debug scripts I could run to diagnose possible issues? 3) What am I looking ...
1
vote
0answers
24 views

No wifi connection after bootup, again

Another "Raspberry doesn't connect to Wifi after bootup", but I'm out of ideas. Hopefully not too annoying, guys: Raspberry runs regular debian wheezy, system is updated. I use a RT5370 USB wifi ...
1
vote
1answer
16 views

Python serial permission issue

I'm trying to connect my Arduino to my RPi through python and PySerial, and I'm using the following code: import serial ser = serial.Serial('/dev/serial/ttyACM0', 9600) and I was getting an issue ...
0
votes
1answer
25 views

Connecting RPi GPIO into a relay that draw high ampere

So straight to the problem I need to connect My RPi's GPIO to a (or some) relay(s) that consume around 30 - 60 Amps to fire up and RPi GPIO only give around 16 mA/Pin(Accroding to this). My question ...
0
votes
0answers
9 views

No X access to Raspberry

I'm having trouble getting X access to my Raspberry from my Win7 desktop. I've tried Putty, Putty+Xming and Cygwin without success. When calling raspistill, the preview opens on the Raspberry instead ...
0
votes
2answers
41 views

Teamviewer Raspberry

I have to buy a Raspberry to control a monitor remotely. 1) Can I install a software like teamviewer on Raspberry? 2) Can I connect via wireless or Lan the Raspberry? 3) Can I connect a internet key ...
0
votes
0answers
148 views

TL-wn725n V2 driver needed for Linux 3.12.28

I'm Trying to get TP-link's TL-wn725n V2 Nano USB adapter working with my Raspberry PI and an running into problems. I've read a few posts, but an getting myself confused. I can SSH via Ethernet to ...
-2
votes
0answers
50 views

Bare metal programming for Raspberry Pi

I am currently programming raspberry pi. I wanted to get clear out some doubts, please can anybody help. Here is the code snippet. #define GPIO_BASE 0x20200000UL gpio = (unsigned ...
0
votes
0answers
12 views

Setting RTL8188CUS to Monitor Mode

I have a Wifi USB Dongle that I would like to set to monitor mode. I was able to set it to monitor mode in Ubuntu 14.04 (On my desktop machine) However I am having trouble with it on my Raspberry pi. ...
-1
votes
1answer
51 views

How to have the raspberry pi recieve text messages?

I have a raspberry pi and it can send texts, but how can I get it to receive text messages (SMS)? Thanks
0
votes
1answer
28 views

Running Windows CE / Windows Mobile applications on the Pi

Is it possible for .NET Compact Framework applications compiled to Windows CE / Windows Mobile to be execute on the Raspberry Pi with the help of Wine?
0
votes
1answer
26 views

Best way to report all GPIO Interrupts?

So I am trying to figure out the best way of reporting all GPIO pin interrupts. My plan is to capture the high and low interrupts and post that to a URL. I haven't found many resources except for ...
1
vote
1answer
24 views

How to enable or fix the TTL console connection on the Raspberry Pi?

EDIT: Finally got it to work, see answer below for a complete guide on how to make this thing work starting from scratch I have a PL2303HX cable connected to the GPIO on 5V GND RXD TXD and it IS ...
0
votes
0answers
38 views

Python Syntax Error Hello World

I hope this question is not too open for SE. I wanted to make my first steps with this guide I already found out how to run Idle3 via SSH and that print is now a function. So I wrote print("Hello ...
1
vote
1answer
73 views

Use raspberry pi 3.5mm jack as line in

Is is possible to use the 3.5 jack on the Raspberry Pi as a line-in? I need to record audio through the Pi and I didn't find anything conclusive about its audio capabilities. Would like to make sure ...
-1
votes
3answers
30 views

mounting content of pendrive to mobile phone via bluetooth

what should I do in order to view the contents of pendrive (which is mounted on pi)on mobile phone android, when connected with blue tooth (blue tooth module is connected on gpio). A new file should ...
0
votes
2answers
35 views

static eth0 adress

I tried giving my new rpi a static IP via eth0. I followed standard tutorials and changed interfaces from iface eth0 inet dhcp to iface eth0 inet static address 192.168.0.107 netmask ...
0
votes
2answers
27 views

Is it possible to power a raspberry pi using android phone in USB host Mode?

the android phone can be used in USB host mode to power an arduino, pen drive,mouse. Is it possible to use the android phone to power a raspberry pi?
2
votes
1answer
33 views

Show higher resolution on small screen (scale down)

I am using the PiTFT by Adafruit (see product page). It connects as a framebuffer device with 320x240px. I do not need to say that this is a bit low to display full web pages. Is there a way to ...
0
votes
0answers
10 views

SSH reverse tunnel, how does it work? Help setting it up

I've been experimenting with a raspberry pi, and I would like to do some home automation experiments with the gpio on the raspberry, but I would like it to be connected to the internet so I could read ...
-2
votes
0answers
20 views

Raspberry pi shell scripts, options for displaying users [duplicate]

Hi I'm trying to write a shell script and am trying to teach myself to write Shell Scripts on my Raspberry Pi, but I am struggling to make a menu where a user can choose from these different options: ...
0
votes
1answer
31 views

Help with Shell Scripts, creating a list of options for users [on hold]

I am trying to teach myself to write Shell Scripts on my Raspberry Pi, but I am struggling to make a menu where a user can choose from these different options: display a list of current users ...
0
votes
0answers
11 views

U-boot for Rasp, what stage would be?

I am preparing to experiment with U-boot for Rasp. For that reason I did some research about the boot process of the Rasp. What I understant is that the first stage bootloader is hardcoded in the ...
0
votes
2answers
37 views

5.3V power source w/ 24kohm resistor

Let me start with mention that I don't know shit about electronics. I bought UBEC to power my RPI but it had output voltage of 5.3V so I decided to use 24kohm resistor to lower it down. Now voltage on ...
0
votes
0answers
26 views

Is it possible to use GPIO's simultaneously?

I'm interested in using raspberry to control a number of brushless motors. PWM should be executed parallely to work in needed rate. As far as I've heard, RPi provides only consequent requests to ...
0
votes
0answers
37 views

Using Raspberry Pi to make Internet TV box (Power on/off issue)

I need to make a box (STB), which when plugged into TV can display live streaming URLs and can be controlled from remote control. So that a user can have the same experience as of a traditional live ...
0
votes
1answer
29 views

16 channel relay for RPi

I'm still kind of new to the raspberry pi, but familiar with turning an LED on/off using the command line or a python webserver. I have a Model B Revision 2. I've been asked to do a project that ...
0
votes
1answer
75 views

Replacing a PC with a raspberry pi

I want to replace an old pc which were used for controlling some devices in our lab. For this purpose we need a small pc with at least 26 GPIO-ports and the ability to send the retrieved data over ...
0
votes
1answer
19 views

What wiki can we use on a Raspberry Pi?

Does anyone knows what wiki can be supported on a raspberry pi? I am about to try this one : https://www.dokuwiki.org/dokuwiki Is there a better candidate?

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