I’m a newbie! I have python files code to turn on the light: i tried here and here and here here on forum i chmod pi for /dev , adduser group file 1 file 2 access GPIO: Error occurs here. “No access to /dev/mem. Try running as root!” i have try here and here and here here on forum and
Tag: raspberry-pi
Java read bytes from Socket on Linux
I’m trying to send a file from my Windows machine to my Raspberry-Pi 2, and I have a client and a server. The client should be able to send a zip file over the network to my server on my linux machine. I know my client and server work on Windows, as when I run both the client and server
Logging python errors on raspberry pi
I’m having a helluva time debugging a python app I’ve written for an embedded raspberry pi project I’m working on because it’s using a TFT screen instead of a full monitor and has no monitor/keyboard, so i’m having to launch the python app via an icon on the TFT desktop (very sma…
start file manager in terminal window wheezy
Is there an easy way to start my File Manager in GUI as root? All I want to do is temporarily create/update some files and I want to do it through the GUI. I am using a Raspberry Pi that is running Wheezy. Answer depends on your file manager. for example: sudo pcmanfm &>/dev/null &
Strange error while trying to deploy qt5 app on raspberry pi
I have a project which I’ve made on Ubuntu 14.04 LTS, but then, I wanted to test if the Raspberry Pi was capable of running this little program of mine. Then I’ve followed the instructions on this link to compile and build qt5 natively on the Pi. I’ve managed to install qt5 without problems,…
Is it possible to install pcsc-lite 1.8.13 on Raspbian OS?
I’m working on a Raspberry Pi project. I’m trying to install a driver package for ACR1251U-A1 NFC tag. This package requires to install pcsc-lite package at first. But as I understand after a search on the internet, pcsc-lite 1.8.13 is not available for Raspbian OS. My supervisor persists that pcs…
Usage of nfc tag ACR1251U on raspberry-pi
I have an NFC tag ACR1251U-A1. I need to use that with Raspberry Pi. I have installed the driver on Raspberry Pi via this link: http://www.acs.com.hk/download-driver-unified/6258/ACS-Unified-Driver-Lnx-Mac-110-P.zip But when I list the nfc devices on terminal by writing “nfc-list”, I don’t s…
Run a perl script with the ending .pl
I have a question to perl scripts. I can write and understand C and C++ codes but have no experience in perl. I have a perl script with the extension .pl and want to run it on a Raspberry Pi Model B. I get the script (its a part of the Raspberry Pi B extension ‘Busware SD0’ Firmware) from this
Crontab not starting command on reboot
I need a command to run at reboot. This command is called script.sh This command pipes input to a python program I wrote called test.py. The problem is the program is not running when I check the processes.The syslog file states that it started the command on reboot, but it is not running. my crontab entry lo…
Why doesn’t PHP include work on my Raspberry Pi?
So I’m very new to Linux and I just bought a Raspberry Pi to serve as my webserver and I noticed the following lines, with the location var/www/mysite/index.php, doesn’t work properly: I don’t even get any errors or warnings, just a blank page showing “Hello1”, even though I have…