• Using a Membrane Matrix Keypad to operate a lock with Raspberry Pi

    I am very basic with the language of python but I am trying out a project which is an electronic lock.

     

    But the problem is that I cant seem to work out how to make a program that asks for a four digit number password and when the correct digits are entered…

  • Control WM5102 GPIO using SPI

    Plugged the device in for the first time last night and sound came out... so far so good...

     

    I'm trying to investigate playing with the GPIO on WM5102 on the sound card but I'm having trouble doing register writes using the SPI interface. It looks (from…

  • Can PWM0 -> GPIO18 handle moderate quality mono audio output?

    My partner (and electrical engineer and bare metal guru) and I (an experienced programmer and data center designer) have a (Wheezy) project, several months in the pipeline, using an RPi(B) that in the end needs simply needs to output stronger audio.  We…

  • Pin out documentation for the RPi 2 B

    Hello Community, I'm new and this is my first "post".

    I have a Raspberry Pi 2 model B v1.1 and I have not been able to find any information on the 40 pin GPIO interface.  Everything so far relates to the older models with the 26 pin GPIO. 

    …

  • How to Interface Arcade Controls with the Raspberry Pi

    Hi guys! As you know, we're putting together a Raspberry Pi-powered arcade machine, so we can live firmly in the past (where all the good stuff happened) and revel in the joys of retro video games!

     

    Among the various challenges we're faced with in adapting…

  • Raspberry Pi B+ GPIO 40 Pin Block Pinout

    Graphic showing the GPIO pin breakout on the Raspberry Pi B+ board.

  • System to remotely control and monitor Raspberry Pis without needing VPN, static IP or DynDNS. Feedback please?

    Hi,

    I'm building a platform (www.dataplicity.com) that lets you monitor your Raspberry Pi's vitals (through a pre-set dashboard), control its GPIOs remotely through a web browser or a mobile device, and remotely connect to your Pi with an SSH-like…

  • Essential Raspberry Pi Peripherals #1: GPIO and Other Connectors

    With this first post we start off on something of an adventure, experimenting and experiencing one of the most fascinating aspects of this SBC (Single Board Computer): connecting the device with the real world.

    (note: here we consider working with a Raspberry…

  • Raspberry pi usb output from GPIO

    I've had this idea and I've googled a lot to find out if it would be possible to attatch usb cable to raspberry pi's GPIO pins. I already got an old usb cable and cutted the other end off and i tought that I just attatch the vireing to GPIOs and plug…