I wanted to install the OV7251 camera driver to work with a module I’ve recently purchased, the Arducam OV7251 MIPI, as I need to perform SLAM-like system called Virtual Inertial Navigation (VIN) and global shutter cameras are preferred for this. As far as my system goes, I’m using ROS Kinetic on …
Tag: raspberry-pi
Can’t hear sound when audio is being played in Pyglet (Raspberry Pi 4B, Raspbian)
I am running the latest version of Raspbian on the Raspberry Pi with Python 2.7 and 3.7 installed. For a project, I need to implement some spatial/binaural audio file playback capabilities in Python, and Pyglet (version 1.5.6) (https://pypi.org/project/pyglet/, https://github.com/pyglet/pyglet) seems to be th…
Running functions on bluetooth pair request
I’ve recently been learning electric circuitry using arduino and am looking to implement some changes to my Raspberry Pi application. I used this outdated tutorial a few years ago to create my pi bluetooth receiver which is working well at the moment (https://www.instructables.com/id/Turn-your-Raspberry…
Setting up minecraft server service on usb hard drive problem
I’m trying to set up a minecraft server to play with my friends. It’s my first time doing this on linux, so I have a (I believe) small problem. I can’t figure out how to set up it on my usb hard drive. Here’s my minecraft.service small edit – I removed -%i, because it’s to …
Install cron without mail and sql dependencies
I want to install crontab in Raspberry Pi without mail and sql dependencies ? I used apt-get install cron command to install ,installation was successful, but it also installed mail and sql dependencies. followed How to install cron to get installation steps. I need to install crontab only for minimal require…
Cannot install Flask with pip on my Raspberry Pi
I am trying to install Flask on my Raspberry Pi, but it seems that this is not possible anymore with the command: sudo pip install flask . I always return this message: Does anybody have an idea what’s going wrong? Answer This problem is described here. In short, the fix is to set date correctly, eg: su…
Linux/Raspberry Pi command to help round to 2 decimal
I am running the following command to get Free Memory, and want to change it from KB to MB to the second decimal. How do I round? I have seen where it says to use scale=2, but then it just prints out scale=2, I have tried puttting it before anfer and inbetween several different ways with no luck. how can
Fast method to get current time with nsec-resolution?
I try to get a time-information with a resolution of a few hundred nanoseconds (to do some bit-banging stuff on an Raspberry Pi). I tried with clock_gettime() which provides the required resolution in timespec.tv_nsec, but it is too slow. Even when I run my process on one separate core of the CPU exclusively …
What is the best way to give a Linux command from one machine to a different machine? [closed]
Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. This question does not appear to be about a specific programming problem, a software algorithm, or software tools primarily used by programmers. If you believe the question would be on-topic on another Stack …
How to fix MongoError: unsupporter server version?
I am trying to run a Node.js server with MongoDB. I followed the tutorials closely. Here is my app.js file: ` When I try to run it, however, I get the following error: How can I fix this? My package.json file says I am using version ^3.0.0-rc0. I cant seem to find a solution anywhere online. Answer Upgrade to…