Raspberry Pi Weekly Newsletter - Monday, September 29, 2014

Raspberry Pi newsletter

Top new questions this week: How many ultrasonic sensor can a Raspberry pi B+ can handle? im planning to build a simple robot. having several ultrasonic sentor and 12 servo motor. How many ultrasonic sensor can a Raspberry pi B+ can handle? i need 8 ultrasonic working at the same time … sensor servo   asked by jhonalyn nequin 1 vote answered by joan 2 votes How long have you run your Raspberry Pi since its inception in 2012 I would like to know how long can Raspberry pi be on without turning it off. The maximum uptime...Its been 2.5 years since Rpi was 1st launched, so whats the maximum that anyone has achieved without … power   asked by legacy4326 1 vote answered by joan 0 votes Doing more than turning a string of Christmas Lights on/off? I've seen a lot of projects that involve the Rasberry Pi turn entire strings of lights on & off. I'd like to do something like that, but controlling individual lights (for cooler effects). … hardware   asked by Bill 1 vote How to write to /dev/servoblaster from Python script? I'm working on a RPI controlled quadcopter. The PWM is generated by ServoBlaster. I've written a Python script to control the motors' speed. Assume that I'm using GPIO4 to control the motor. If I want … pwm servo   asked by alex 1 vote answered by joan 0 votes Establish connection between Qemu Raspbian machine and Host Objective: I would like to install several virtual (emulated) Raspberry machines on the laptop, connect them to each other and to the laptop. Afterwards I would like to send tcp packets from virtual … raspbian networking emulation mysql qemu   asked by Nur 1 vote Need a Simple "Cyberpunk" OS for Raspberry Pi B+ I'm extremely new to Raspberry Pi, but I'm currently working on a wearable computer for a very detailed costume and one of the things I'd like to have is a slick looking interface, with some limited … operating-systems   asked by NDB241 1 vote Remove repo from Raspbian Question I have a repo that causes an error to appear whenever i update or install anything. How can i remove it? Error message W: Failed to fetch … raspbian   asked by Dan Cundy 1 vote answered by Morgan Courbet 1 vote Greatest hits from previous weeks: How do I build a GCC 4.7 toolchain for cross-compiling? I already asked this question on Stack Overflow, but I would like to know if anyone managed to build a GCC 4.7 toolchain for ARM cross-compilation (for a x86/x86-64 Linux host). There are many … software-development cross-compilation gcc   asked by Tibor 50 votes answered by Tibor 36 votes Using the Raspberry Pi as a Router? Has anyone used their Pi as a routing device? Mainly I want to use it to monitor my network and it would be great if it had an input and output for ethernet, but it doesn't so I am wondering if it is … usb security ethernet   asked by clifgray 29 votes answered by RobM 15 votes Can you answer these? Taking a video stream with io.bytesio() and accessing frames during recording time I've been looking into using picamera and so far ive managed to capture a sequence of images and process them, but found the time it takes between frame captures is horrible(ish), so i turned to using … raspbian python video image   asked by Pariah 1 vote Usage of graphics core for headless XRDP server I run my Pi as a headless server, running (among others) XRDP. My question is this: does XRDP use the video core and RAM? If not what is the lowest possible memory split? Thanks in advance server remote headless memory memory-split   asked by Luke Moll 1 vote What emulators are used with Emulation Station? I've compiled EmulationStation from source rather than download the RetroPie disk image. I've followed these instructions here. However, when I attempt to play a rom, EmulationStation errors out with … raspbian emulation   asked by Starkers 1 vote

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