All Questions

I am looking to capture images simultanously using 2 picameras (tried USB the FPS is low). It seems like there are 2 options: Raspberry Pi compute module 3 with IO board which gives 2 CSI ports(...

I'm in a bit of a python death spiral, here, with the "ImportError: No module named encodings" error when I try using python. I've read a dozen or so different posts on the problem, and none of them ...

I need to find ip address of my device by mac address of it in my network by a python code. how can i do that? or is there any way to determine ip address of my device in python? my device is an ...

I have a python script called mediacircus.py that works when run manually (using Idle) in /home/pi. I have a Cron schedule to run it every minute that looks like this: * * * * * /usr/bin/python /home/...

Edit: I found the possible culprit, see end of question I have started off Jessie, and I need the Pi to be able to connect to various Wi-Fi networks (it will get sent away, so it "just needs to work")...

A Javascript that successfully makes HTTP calls to other servers under Chrome on other platforms does not work under Raspbian on Raspberry Pi. I have a page on localhost with a javascript attempting ...

I've got a Raspberry Pi with a running Node.js server on it. After connecting it with my router via Ethernet, I have to set the Internet connection of one of my devices with the SSID of my router. ...

Hope I'm in the "right" place for this query. If not, please direct me to a more appropriate SE or other site, thanks. I have a Pi 2B, to which I have USB connected an old DroboS and it works fine as ...

Is it possible to run MPD with bluetooth in the Pi? Currently many guides which I have seen are mostly utilizing Upnp/Wifi setup to run. Now this is fine if there was only Apple devices. Since ...

A Javascript that runs well under Chrome on other platforms does not work on Raspberry Pi. What does Javascript require to make a simple call http call to an external site from Javascript under Chrome?...

I have been trying to get this working for a lot of hours now but no success. Here is what I have done- ping 8.8.8.8 works Also added nameserver 8.8.8.8, 8.8.4.4 in etc/resolv.conf as suggested on ...

I bought a sd card but i am not sure if this card is fake . I tried to install noobs and raspbian but i failed The green and the red led are working

I used this tutorial to make my Raspberry 3 an access point. After following that, I can't connect to the internet—neither via Wi-Fi nor via cable. With this tutorial when I see the DHCP status—it ...

I have an electromechanical 7-segment clock display with each segment controlled by an electromagnet. A segment is 'on' depending on the polarity of the last pulse to its electromagnet. Can anyone ...

I have developed a smart bulb using relay to switch the bulb on and off when I clap. This works with a simple python script but that i want to use django as a server for handling this use case. I ...

I'm looking for a way to use a barcodescanner to trigger a digital timer. The context is a workshop, where there are certain tools that can be safely used for only 4 hours. These tools will be ...

Mouse and keyboard does not work properly when connect to my pi3 modelB's usb port. It worked perfectly a day ago. But wifi dongle can process as usual. dmesg show below [ 3410.013515] usb 1-1.2: ...

Recently my SD card died, becoming permanently locked in a read-only state. I realized it a few weeks after the fact, when I saw that files I would create disappeared after a reboot. Of course, all ...

I am fairly new to command line and rPi, all previous experience has been desktop & web apps and have fallen at a major hurdle with my new Pi. As the title suggests I am struggling to sftp into ...

I have a video recording system developed using RPi 2 Model B and Cam v1 and plan upgrading to RPi 3 Model B and Cam v2. My application is such that I need higher frame-rates (60fps +) at Full FoV, ...

I am new to raspberry and would like to know simple steps to follow to start Teamviewer on Raspberry Pi startup thanks in advance

I flashed the latest version of raspbian-lite to an SD card and booted my Model B from it. I changed the hostname and other config settings in raspi-config, then reboted and tried to run sudo apt ...

I've got a Pi 3 with Raspbian that connects to my NAS. I want to display the digital photos we've accumulated over the years but haven't found a really good way to do that. Right now I'm running a ...

I have a Raspberry Pi 3b+ that is booting to the pi user terminal, no GUI. I need to have a small CLI app run after the pi has finished booting. So far I have tried editing /etc/rc.local, and using ...

I've started the linux ubuntu mate on raspberry pi skipping the install step and entering in live mode. Now i want to install on microsd but i can't find where to start the installation. I don't want ...

I recently reset my Android Things on my Raspberry Pi 3 because it was unable to find my own WiFi. After the reset I tried to go into settings and change the time zone to GMT+02:00. If I click at ...

I need to be able to access an IP camera that is on the same local network as a raspberry. I do not have access from the outside because it is a mobile data network that does not give me public IP or ...

I know this has been asked several times, but I went through a lot of trying to connect from my PC to my Raspberry Pi via SSH and I don't get it to work. My Setup: Raspberry Pi 3 Model B+ Working ...

I need to send video feed from one raspberry Pi to another raspberry Pi for 10 meter . Can I use Ethernet cable ? what do i need to do?

I want to toggle an GPIO pin with a certain accuracy. (i.e. latency about 1 us). I have a Raspberry Pi 3 model. Therefore I wrote a simple test kernel module. The toggling loop does basically this: ...

Unable to open the autostart file to enable RealVNC to auto boot

I have a Picademy parts kit (12 of them, actually) from Newark/Element 14. These kits have an immersible temperature probe that I conjecture is based on a DS18B20. However, there's no documentation. ...

Is it possible to use GPIO to sync multiple RasPi video players? As shown in the picture below, I need to sync 16 RasPi video players. The master RasPi will trigger the video players (start, stop, ...

I used many sd card but it didn't works.i don't know that the raspberry is broken or the sd card is facke

I would like to start a project that will take a picture of the license plate of a vehicle and then take all the digits and record them. Is there a way to have the Pi recognize the digits?

I have set up a correct VNC server, but when i try to login to it on my Mac it asks for login info. i tried using pi and the username and raspberry as the password but it did not work. Is there a way ...

I have set up libreelec so it can play videos on my pi 2 that is connected to the official touchscreen, however, there is no audio output. I have set the audio to output to the analogue output in ...

for the past couple of days I've been trying to figure out if there was any way to use nrf24l01 radio module on SPI1 pins. I have a raspberry pi 3B+ with a 5 inch LCD elecrow screen. Whenever I try to ...

I have the official raspberry Pi 7 inch touch screen, and I have mounted to it a Pi 2. Lately I have been using it and I have been plugging the power into the Pi itself. I however recently remember ...

I'm having a Scala (Java) app open a javax.swing.JFrame and put it to full screen; the physical display is a 3.5" touch screen on the GPIO. I just noticed that when I click on parts of my UI where ...

I'm using the motion library on a raspberry pi zero with sketch. In order to get the motion server to start on boot, 've updated /etc/rc.local to include the following: sudo motion -c ~/.motion/...

Begginer question, if the output voltage of the raspberry pi is 3.3v and my led voltage is 3.3v, do I still need a resistor? As far as I understand, if the voltage is the same you don't need to add a ...

I use this simple circuit to control a DC motor with an L293D, and a 9g servo motor with a Raspberry PI Zero W: I use the simple following code to test the circuit: from time import sleep import RPi....

I have an idea. I have a love boat ride (tunnel of Love ride) were 2 people get in a boat and follow a slow trough for about a 1/2 mile. While in the ride there are scenes, at one scene the people in ...

The usecase of my project is when I hear the sound of clap then only the relay channel should get triggered. But in my case, the GPIO.input(SOUND_INPUT_PIN) is only giving me value 1(HIGH). The ...

I'm trying configure RPI 3 for a 24*7 operation..i need to run Apache, java, php, SQL, j query from the pen drive and main code & OS from the SD card and i want to write log files to pen drive ...

I recently bought a raspberry pi 3 b+ from amazon and when I got it delivered the package was already opened, so I just want to check if my raspberry is working or not so I formatted a compatible sd ...

I was trying to VNC into my Raspberry Pi, but but I couldn't find a way to set a static IP for it on Stretch. When I looking around, saw that someone VNCed through the name of the Pi (?). I was ...

I'm looking at how to send images from one or more remote devices to a central server which is powered. The situation is I will have several devices which are physically isolated, outside and perhaps ...

I would like to open image from rc.local. I am sure rc.local is getting called during boot as it execute/run test c++ code. I tried with various image viewer like gpicview , mirage. I can try with ...