0
votes
0answers
5 views

Confusion regarding gpio interrupts

I have studied in bcm2835 manual that its gpio peripheral can generate Three interrupt lines.But i found in same manual (in interrupts section) that there are four gpio interrupts gpio_int[0] to ...
0
votes
0answers
5 views

Comparison of terminal (non-gui) performance for Raspberry Pi 3 Model B on different Linux OS distros

From the range of OSs available for Raspberry Pi, I would like to know whether the distro impacts the performance of the OS in pure terminal mode. I plan to run computationally power consuming ...
2
votes
1answer
18 views

Use Arduino shields with the Raspberry Pi

I have a Raspberry Pi 2 and a bunch of old Arduino shields. I am switching a project from the Arduino to the Raspberry Pi 2, and I would not like to buy a lot of new components. I have limited space, ...
2
votes
0answers
17 views

How construct MISO byte order with SPI interface

I have a raspberry Pi 3, model B. I have an RFID-RC522 hooked up to it using SPI. I want to read from it, raspi being master device, RFID being slave(MISO). I am struggling to construct the correct ...
1
vote
1answer
11 views

Making the admatec C-Berry 3.2" display the primary screen

After I had a few issues with the ODroid C1 3.2" display I now bought an admatec C-Berry 3.2" display for the same purpose. Unlike the nice 7" display I have and that is auto-detected, this 3.2" ...
2
votes
0answers
14 views

Debugging a RPi using SWD

Has anybody been able to figure out how to debug a Raspberry Pi 3 model B using SWD? To be clear, I'm looking to debug the Pi itself using SWD. We've tried setting up the GPIO pins to use JTAG-SWD, ...
2
votes
1answer
24 views

Autorun Firefox on startup…grrrrrrr!

Long Story (Short): Okay, I've read all of the guides, questions etc I can find and it's still not happening. I can't get the browser to open its self up when the pi boots. Background: I'm following ...
4
votes
1answer
28 views

What is the speed of the Camera Serial Interface (CSI) and its cable?

What is the speed of the CSI interface and cable? I'm looking for an answer that is in either x kb/sec or x secs/picture. Thanks.
1
vote
0answers
9 views

Raspberry Pi 2 NEON instruction set, vector report generation?

Lately I have been trying to generate a vector report of an OpenCV project implemented on the raspberry pi 2 model B, but for some reason there is no output. The same algorithm produces vector report ...
2
votes
0answers
9 views

Permission issues using sickrage and transmission

I've setup transmission and sickrage to automattically download series. This went well, however when Sickrage tries to move the files, it gets stuck and the logs say: 2016-07-25 16:10:13 POSTPROCESSER ...
2
votes
1answer
16 views

UWP app on Raspbian

I'm part-way through making a headed UWP app for my Raspberry Pi 3, which is running Windows IoT Core. I would like to switch to it running Raspbian Jessie, so that I can use the RasPi cam, but I don'...
0
votes
0answers
9 views

Can't switch to hdmi display with pitft 2.2

So I installed the pitft 2.2 display on my raspberry pi 3 with the Jessie-based pitft 2.2 hat image. It works great! But trying to switch to hdmi display is where things get buggy. First when I use "...
1
vote
1answer
21 views

External powered HDD not listed after boot

I have an hub for HDDs where I have two of them (WD purple 2TB). If the Raspberry is ON and I switch on also the hub, the two HDDs are recognized by the Pi as sda and sdb (listed with sudo fdisk -l). ...
1
vote
1answer
27 views

How do I get the 74HC165 shift register to work with my Raspberry Pi and Java

I have been using the following link for reference... http://robsraspberrypi.blogspot.co.za/2016/01/raspberry-pi-adding-more-inputs-using.html // setup SPI for communication int fd = Spi....
0
votes
0answers
17 views

How to send data(CSV FILE) from android app to Raspberry Pi using Bluetooth? [on hold]

I am trying to do get the data from the bluetooth enabled sensor and stored it on raspberry Pi, raspberry Pi can fetch data automatically from sensor via bluetooth periodically, How this can be done? ...
0
votes
4answers
33 views

Steady Red Light With One Green Light Flash After Booting Pi

I have a 16GB RAM Raspberry Pi 3 I'm using a Mac 10.11.5 I have 2 SD cards: 64 GB micro SanDesk and 8GB micro SanDisk (both should be supported by the Pi) I've formatted the SD card using the SD ...
0
votes
0answers
20 views

Citrix Receiver & Midori

I need help with getting Citrix receiver (xenapp) to work with the Midori browser. I cannot download the .ica file from the client's web page. How can I do this?
0
votes
1answer
22 views

Can I use scratch for generating the script which can use Raspberry pi3's peripherals?

Actually One of my friend don't know much about scripting. But he have good creativity and logical skill. He want to use scratch for generating a script which can turn on LEDs connected to GPIO pins ...
0
votes
2answers
37 views

How can I lower the USB voltage of my Raspberry Pi?

I have a USB fan attached to my Raspberry PI. The pi runs 24/7 and is standing right next to my bed together with the USB fan. The USB fan has only one on / off switch and no other fan speed ...
1
vote
1answer
29 views

Port forwarding - Not sure which community to post this in

I would like to assure my boss that port forwarding a raspberry pi is safe. I plan to be doing port forwarding the web port, so I can run an Apache server, and also port forwarding my own program (C ...
2
votes
0answers
14 views

Official 7 inch display with Windows 10 preview?

I found this answer http://raspberrypi.stackexchange.com/a/50118/894 which says it works with the older preview version referenced. I have installed the latest preview and when I turn it on, I get ...
1
vote
0answers
30 views

Using a potentiometer to control a servo HAT

I bought the servo hat from Adafruit and a MCP 3008. My goal is to control a servo with a potentiometer with my Raspberry Pi. With a Arduino there is a function called map. Is a there a similar way to ...
1
vote
1answer
44 views

Raspberry pi 3 no wlan0 listed - no wireless

I just got my pi3 yesterday and out of the box wifi was working with retropie. I performed some updates and somewhere along the line the wlan0/wifi stopped working. Because it did work I do not ...
1
vote
0answers
21 views

Visual C++ Linux Development Environment, Raspbian, and nRF24L01 (RF24)

I recently discovered the Visual C++ Linux Development Environment, which allows to debug and release code from Visual Studio (on the PC) directly on the Pi (in my case on Raspbian Jessie). Since I ...
1
vote
2answers
18 views

How to reinstall 1wire support

While trying to configure my Pi0 for read-only mode I deleted my /sys/bus/w1 folder. Now the 1wire bus is not working anymore. How can I reinstall the module?
1
vote
1answer
15 views

Multiple rotary encoder raspberry pi 12C GPIO

I found this PEC11-4215F-S24 rotary encoder on Adafruit (https://www.adafruit.com/products/377) and I want to use three of them - or another rotary encoder - to use it in my Raspberry Pi project. I ...
1
vote
1answer
20 views

Is there any way to further increase the speed of clk in spi?

At first, i tried to communicate with MCP3008 with raspberry using wiring Pi library and as it communicates through the spi driver, the data retrival of it is quite slow. Then, i opt for the next ...
1
vote
1answer
16 views

Hardware Volume Control - Runeaudio - HifiBerry Amp+ - Python

Okay, so I am building a sweet vintage style boombox for my nana using a RCA Victor X551 case, a Rpi3, running runeaudio. I have most of everything figured out, but could use some help with the ...
1
vote
1answer
40 views

Problem with everloop_demo from MATRIX Creator

I am attempting to set up and use the MATRIX Creator hardware. I have taken the following steps with a Raspberry Pi 3 and Matrix Creator attached (be gentle, I'm new to linux, RPI, hardware in ...
1
vote
1answer
33 views

Raspberry pi 2 B won't detect temp sensor DS18B20

I have a rasp pi 2 b+ and a temperature sensor DS18B20. I can't get my ls /sys/bus/w1/devices command to show anything other than w1_bus_master1. I suspect it is a problem with my set up but I've ...
1
vote
0answers
11 views

Set Navit's internal keyboard language - Help!

I have an Rpi2 with Jessie and I have install Navit for navigation. I am from Greece and all the towns on my map are in Greek language. I know navit only "knows" Latin and Cyrillic characters for the ...
1
vote
2answers
20 views

what devices to be used for communication

i have several devices like sensor, motor etc.which are connected to arduino.i want to transfer my sensor data from arduino to raspberry pi by wirelessly.which module should be used for that? also all ...
0
votes
0answers
22 views

Can I creat a scheduled NAS backups using a raspberry pi?

I'm new here, i saw many tutorials explaining how to creat a NAS with a raspberry pi but no one speaked about an automated/scheduled backup like regular NASs.
1
vote
0answers
17 views

How to use Raspberry Pi 3 inbuilt bluetooth for serial communication with PC?

I want to send data from Raspberry Pi 3 having Raspian Jessie OS. I can pair with other bluetooth devices using the Bluetooth Icon on the task bar and also using bluetoothctl. I tried to connect to a ...
1
vote
0answers
8 views

overlay from opencv on top of camera stream

I watched this video. There is a face being tracked by a Raspberry Pi and a frame gets displayed around the face. I'm interested in creating the overlay with the frame. As you can see, the stream of ...
1
vote
0answers
15 views

socat Virtual Serial Port on RPi3 data issue

I'm having issues trying to log and forward data to a program (opencpn). I've got NMEA data coming in from a serial device via a RS232>USB converter. This is fine. I was having issues with opencpn ...
2
votes
1answer
6 views

How to get executable code for raspberry pi from arm-linux-gnueabi-gcc cross compiler

i am using arm-linux-gnueabi-gcc cross copiler for arm but i am not able to select different architecture of this processor. can anyone help me to choose raspberry pi architecture
1
vote
3answers
35 views

SSH and VNC insanely slow on RPi 2

I have a Raspi 2. I just installed Raspbian on it but the SSH session is insanely slow. I type something in the terminal, on my laptop and it appears in 10 seconds. I installed X11VNC and ran it ...
0
votes
1answer
21 views

Raspberry PI + DS1820 + Led. Resistor confusion (series or parallel?)

Preamble: Red Wire: from 3.3v of Raspberry Black Wire: ground from Raspberry Yellow: PIN 1-Wire (as IN) from Raspberry (7th?) Brown: PIN 17 (as OUT) from Raspbery The pull-up resistor used to ...
1
vote
2answers
35 views

Building a Camera that tracks a target

I am planning to build a camera which will track a target and keep "looking at it" in motion. The camera needs to have vertical/horizontal panning/tilt. I am not sure if this is the platform to ...
1
vote
0answers
22 views

My user “pi” is a sudo user but cant run the sudo command in LXTerminal

This is what happened: I tried to enter any sudo command (e.g. sudo visudo) and entered Pi's default password(raspberry if you don't know) and this is what it came up with: pi@(none) ~ $ sudo apt-...
2
votes
2answers
34 views

C++ API for Raspberry pi camera not working

I am new with R-pi. I need to use picam. While working with cpp, i came to know there are already different API for this. I am using an API link here: http://www.uco.es/investiga/grupos/ava/node/40 . ...
1
vote
1answer
18 views

Whats the name of the package for grub2

I need to run update-grub because I've compiled a new kernel but the update-grub command is not installed. What is the name of the package for the Raspberry Pi that provides this program.
1
vote
1answer
18 views

Using fbi - No such file or directory

I installed fbi on my Raspberry Pi Zero and I'm trying to display a picture using sudo fbi -T 2 -d /dev/fb1 - noverbose -a testpic1.jpg It then displays a black screen with Open testpic1.jpg: No ...
1
vote
1answer
18 views

Wifi Configuration wlan0 unassociated

Using: Model B Version 2 Dongle: TP-Link model TL-WN823N os: raspbian Tutorial: http://www.circuitbasics.com/raspberry-pi-wifi-installing-wifi-dongle/ Following the tutorial above i have altered ...
1
vote
0answers
21 views

Jessie Lite: kernel module knfsd.ko is missing

Jessie Lite doesn't provide the knfsd.ko kernel module. So I suppose that I have to compile a new kernel myself. However, uname -r returns 4.4.13-v7+ but apt-get install linux-source installs linux-...
1
vote
1answer
31 views

Getting bluetooth to work on Raspberry Pi 3 after a dist-upgrade

This is really frustrating. Not expecting a definitive answer... but I can hope ;) Just some more troubleshooting ideas would be great. Clearly this has something to do with serial ports. But what???...
0
votes
0answers
13 views

Using MacBook Pro Monitor for displaying Raspian OS

I have a Raspbian Pi 3 but I don't have a monitor nor mouse. How can I use MacOSX monitor to display the Raspian on it? My Macbook Pro doesn't have an ethernet port. I wonder if there could be some ...
1
vote
0answers
10 views

Launch omxplayer for video from local HTML

I'm building a simple HTML kiosk for a church. HTML5 playback is pretty bad, even on a Raspberry Pi 3. I'm wondering if there is a way to force the computer to open an a video anchor on the web page (...
0
votes
0answers
13 views

Can't write to i2c but can read. (LSM303 / Adafruit 10DOF)

I connected an Adafruit accelerometer + gyro + barometer to my Raspberry Pi v3 and did the necessary configuration to enable I2C, and installed some tools. running i2cdetect -y 1 shows me: 0 ...

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