-1
votes
0answers
15 views

Using gpio value

Is it possible to reference the value of the pin 7 outside this function in a global variable? gpio.setup(7, gpio.DIR_IN, readInput); function readInput() { gpio.read(7, function(err, value) { ...
0
votes
1answer
19 views

RetroPie pre config image

I have been trying to get my retro pie working for the last couple of days and this is my last hope. I was wondering if anyone could lend me there file for retro pie that is already configured, for ...
0
votes
1answer
13 views

Raspberry Pi with camera module as webcam?

I have been running the raspberry Pi with camera module for a little time right now as my "outdoor camera" (because I couldn't really afford a nice camera for on the road). now that I have a decent ...
0
votes
0answers
6 views

Port forwarding / XBIAN

I have UPNP enable on my router, its may be a bit (very) unsafe. I'm worried now cause the raspberry PI have 3 port opened through UPNP 7000 TCP and UDP and 4433TCP From what I know 4433 is a ...
0
votes
0answers
8 views

HDMI image processing [duplicate]

I would like to know if is it possible to process images that came from a HDMI source (not a camera) with Raspberry Pi and OpenCV, even by using the HDMI to CSI-2 bridge (b102) or by using HDMI to ...
1
vote
0answers
11 views

Getting kernel headers for raspberry pi 2

I'm attempting to create a virtual video device on raspberry pi 2 using v4l2loopback and prior installation of the v4l2loopback on their website in the Dependencies section they say that the kernel ...
1
vote
1answer
22 views

HDMI input raspberry

I would like to know if it is possible to process images that come from an HDMI source (not a camera) with a Raspberry Pi and openCV. Even by using the hdmi to csi-2 bridge (b102), or by using hdmi to ...
2
votes
1answer
42 views

Detecting Pi has been unplugged instead of shutdown

I've been extending a weather station / webcam we have here at our model flying field. It has now an Arduino gathering the weather data and starting the Pi in a specific time interval (5 or 10 ...
1
vote
1answer
18 views

Secugen Hamster Plus Fingerprint Sensor Raspberry Pi Integration

I have a Raspberry Pi and SecuGen Hamster Plus fingerprint sensor. I am trying to get fingerprint inputs from the sensor to Raspberry Pi using the following code. import sys import usb.core import ...
1
vote
4answers
140 views

Red LED after `sudo halt`, may I unplug?

I flashed Raspbian and I use my Pi headless, connecting via SSH. To power it off I do sudo halt, which disconnects me from the SSH. After a few green led blips I have steady red led on. Does it mean ...
-1
votes
1answer
18 views

I need it to do a few specific tasks [on hold]

Im trying to find out if raspberry pi can access files through a local network on a main computer. get on the Internet through a browser and access things like Facebook, google drive, and a website ...
0
votes
0answers
16 views

How to supply more power to output devices (not to Raspberry pi)? [on hold]

Please help me to understand, how I can supply more power to my output device. For Example I have 100 LED lights, for those lights 5V is not just enough. They need more external power has well. How ...
0
votes
1answer
24 views

Can I create a web hosting for my website on raspberry pi and let it run 24/7 [on hold]

I had seen a post in which it was taught how to create your own hosting/server on your computer (but the problem is... You got to keep it running all the time.. It shuts down and the website is down). ...
1
vote
2answers
38 views

Use ssh as substitute of serial

Hi please excuse me if this is a dumb question. I'm making a small machine, driving 3 steppers, and the connection between the computer (linux OS) and the controller (Raspberry pi Compute Module) is ...
1
vote
1answer
37 views

Running Raspbian Jessie from SD in Mac OS

So, long story short, I've built a magic mirror for the lady, who lives abroad. I've edited wpa_supplicant and added her wifi credentials, but when she got home, it won't connect to the internet. ...
0
votes
2answers
27 views

Keyboard and mouse stops working after connecting usb hard drive

The wireless USB keyboard stops working when I connect a USB hard drive. I also tried to connect a non wireless USB mouse together with the USB disk and the mouse stopped working. I'm running ...
3
votes
1answer
18 views

Windows 10 IoT Wrong Time

my issues is that when I boot my pi the time is always off. Now I have already set the time to my location I am in Eastern standard time(US), I have also tried to manually set the time using ...
0
votes
0answers
8 views

Bluetooth keyboard won't reconnect without reboot

Following this tutorial, I've managed to connect my bluetooth keyboard to Raspbian. But the problem is, that every time I turn off the keyboard, or it simply loses connection, It won't reconnect. Only ...
0
votes
2answers
27 views

Driving a 4 digit 7 segment common cathode from GPIO

I have 8 330 ohm resistors wired up to 8 gpio pins (8 anodes), then I have the 4 cathodes wired to 4 other gpio pins. I tested all my connections with a multimeter and everything looks good. Then when ...
-1
votes
0answers
22 views

Change the slides of ppt using UART

I am new in raspberry pi. I have interfaced the bluetooth module with raspberry pi which has UART in it. Now I want to change the slides of my ppt through the UART. How can I do this thing? I am ...
1
vote
0answers
20 views

Will the Raspberry Pi Camera Board output to the Raspberry Pi 7" DSI Screen?

I am working on a project that makes use of the Raspberry Pi 2, a Raspery Pi camera board, and I want to output to the official Raspberry Pi 7" DSI Touch Screen. If I use the picamera library, am i ...
9
votes
4answers
1k views

Raspberry Pi hardware ID

Is there a possibility to store a hardware ID for each Raspberry Pi based device? Let's say I have 10 custom devices based on Raspberry Pi platform that are used for distributed tasks. At some point, ...
4
votes
1answer
52 views

Rasberry Pi IR Transmitter does not work

Config directory root@raspberrypi:/etc/lirc# ls hardware.conf lircd.conf lircmd.conf lircd.conf file # Please make this file available to others # by sending it to ...
0
votes
1answer
25 views

Access forbidden after using FileZilla client

I'm running apache2 webserver on raspberry pi and when I transfered few files from my PC to raspberry (via FileZilla client), I have no Access to them: Forbidden You don't have permission to access ...
-3
votes
0answers
24 views

My raspberry Pi 2 Model B not connecting to network via ethernet. What could be the reason? [on hold]

There is no response When I do "ping google.com". Seems some network problem.
0
votes
0answers
32 views

raspberry pi camera live video streaming with Gstreamer over RTH to Android

I am using Gstreamer to send raspberry pi cam live video feed through wifi to my android device When I use : raspivid -t 999999 -h 720 -w 1080 -fps 25 -hf -b 2000000 -o - \ | gst-launch-1.0 -v ...
1
vote
1answer
76 views

Only 2.5 MB/s transfer rate on WiFi

I have a raspberry pi that I use as a router, the configuration is basically as follows : Raspberry Pi Zero with raspbian (latest 4.4 kernel) USB 3.0 HUB with 4 ports connected to the main micro ...
0
votes
3answers
42 views

Static vs Dynamic IP for Pi [on hold]

World, So, I will be working on Raspberry Pi device (not sure which device to consider) and I am confused whether to choose a dynamic IP address for my device or assign a Static IP. Which one will be ...
0
votes
0answers
6 views

Video Menu disappeared [on hold]

when i go to the video/file option the screen is blank not even my external hard drive is visable. It has always worked previously. Anyone come across this problem? Cheers Steve
0
votes
0answers
5 views

Issues with root file system and mhddfs

I have an issue where I cannot seem to get new files created in my root directory even though I have added them to the /etc/fstab and setup a /virtual.data mount point. I used the following commands: ...
1
vote
2answers
43 views

Is it possible to install .exe file in Raspberry Pi running Windows 10 IoT Core?

Is it possible to install an .exe file on a Raspberry Pi running Windows 10 IoT Core, that is to say all .exe files which are supported by normal Windows? Does Windows 10 IoT core support all type ...
1
vote
1answer
19 views

Using Unpowered USB

Does the Raspberry Pi's USB need the 5V/GND wires in order to work with peripherals that are already connected to the same 5V/GND rails as the Pi? I have an application where a RPi is connected to an ...
0
votes
1answer
12 views

Wiegand GPIO read not working all the time. Works most times but hangs on some reads

I'm extremely new to Python, I've been learning a bit over the last couple weeks. This is what I've managed to come up with. I'm pretty over the moon the code works most of the time but it doesnt work ...
-1
votes
0answers
25 views

Can a Pi screen be used independently? [on hold]

So I'm completely oblivious to all things tech... but I need a small, like the 5in., screen for a project that would be best if it had hdmi. My question is can the raspberry pi screen be used ...
0
votes
1answer
43 views

Having two 2.5'' drives makes one turn off the other on plug

Currently I 'm using my RPi 2 with a 1 TB external Toshiba USB drive.Back in the day, I had to set max_usb_current=1 in my /boot/config.txt file, because when I plugged it in it would keep trying to ...
1
vote
0answers
22 views

Adhoc ports unavailable

I have created an adhoc network on wlan0 for my RPi using isc-dhcp-server to assign ips. This seems to work and I can connect from ubuntu and ping my RPi, however i can not SSH or access my remote i2p ...
1
vote
0answers
19 views

vsftpd permissions trouble

So, I got my Raspberry Pi 2 yesterday, installed nginx, php and vsftpd. nginx was running, PHP files were processed and served, I could connect to FTP, so I thought everything is fine and left it ...
0
votes
0answers
8 views

cec-client on Wheezy (retropie) not finding TV

I have a retropie setup (Wheezie) running, and a while back installed libcec to get my TV remote to work with the Kodi package Installed via Retropie. ( This works by the way ) I was tying to have a ...
1
vote
2answers
50 views

Wireless networking of multiple Pis without internet

I got 10 Raspberry Pis and each of them records video from a USB camera. I want to control them simultaneously with simple commands like "start" or "stop" the recording script. Is there a way to ...
0
votes
0answers
21 views

Make a dashboard that could also set some data

I've a project, for which I collect some data. I would like to make a dashboard showing those data. I saw ploty, which seems to do exactly what I want, EXCEPT, that I need to have some of the ...
1
vote
1answer
24 views

Performance with an encrypted disk

Is Raspberry Pi (model B, rev. 2) suitable for a home file server with external disks encrypted with LUKS? In particular, is the de/encryption throughput reasonable? I used to have such a disk in a ...
1
vote
1answer
68 views

Raspistill stops working after 3 hours of continuous shooting when writing to network share

I'm using a bash script on my Raspberry Pi B+ to take photos with the RaspiCam all 60 seconds and upload them to my FTP server: #!/bin/bash STARTDATE=$(date +"%Y-%m-%d_%H_%M_%S") DELAY=60 echo ...
0
votes
0answers
12 views

Change owner for backup file generated by backupninja [on hold]

I'm using BackupNinja on Raspbian Jessie Lite to create a scheduled backup of my SD. The backup job is configured as a simple TAR file backup. The default permissions on the generated backup files ...
0
votes
0answers
25 views

rc.local Doesn't start program on boot [duplicate]

So I've been trying for a couple of hours now to make my raspberry pi run a program on startup. I've tried running rc/local manually with sudo /etc/rc.local which works perfectly, but I don't ...
1
vote
0answers
22 views

Can't connect PS3 controller to Pi using Sixaxis

I am trying to use sixaxis to connect a ps3 controller to my Raspberry Pi. When I run sudo ./sixpair_rpi, I get: Current Bluetooth master: xx:xx:xx:xx:xx:xx Setting master bd_addr to ...
1
vote
0answers
19 views

long distance measuring modules - experiences: ME007-ULS V1

I am searching for a cheap non contact long distance (1 to more than 10 metres) measurement sensor with an accuracy <= 1cm. I'm already using the hc-sr04 ultrasonic in combination with the dht22 ...
0
votes
1answer
35 views

Raspbian Jessie (Debian 8) not displaying startup services and messages

I've setup a brand new SD card with Raspbian Jessie Lite (based on Debian 8). Now I no longer see startup messages and the services notification ("[OK]", "[Failed]", etc.) when using service ...
1
vote
0answers
16 views

Background Task on Raspberry pi windows IoT

I am working on raspberry pi 2 mod B with windows IOT. I am trying to create a background process where in I can start rotation of my DC motor using L298N motor driver. At back ground instance the ...
-1
votes
0answers
38 views

Is it possible to save data as per the incoming protocols in ascii? [on hold]

Edit Question I have connected my Raspberry PI 2 (Raspbian) to an automotive gateway via an Ethernet LAN. When I try tcpdump all packets are embedded together as per the Ethernet Frame protocol(From ...
1
vote
1answer
34 views

Using SignalR Client in UWP running on Windows IoT

I'm running Windows IoT on a Raspberry Pi. After I turn on my Raspberry Pi and Windows IoT starts up, I want to automatically begin reading sensor data from a serial port continuously, and also send ...

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