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RPI as Network enabled I2C gateway aka. Daft Punk helmet

May 8, 2013 2

I want to drive Rainbowduino v3 boards from my PixelController software. PixelController sends data via ethernet to the Raspberry Pi, the Raspberry Pi then sends out the recieved data via I2C bus. Make sure read my blog post how to setup I2C on the RPI (and connect both devices). So I wrote a Netty based…
Another Raspberry PI WLAN installation

April 22, 2013 1

I tried to run my cheap RTL8188CUS wlan adapter with the RPI. First I used the wicd ncurses application. Every time I tried to connect to a network the RPI just rebooted! No log entry, just a reboot. However a 1iwlist wlan0 scan worked fine. I used an external powered USB hub (2.4A), so power…
I2C communication between a RPI and a Arduino

April 5, 2013 9

I want to send data from my RPI (master) to one or multiple Arduinos (slave) via I2C bus. Hint: The RPI is running with 3.3V while the Arduino is running at 5.0V. I read some tutorials where they used a level shifter for the I2c communication. This is NOT needed IF the RPI is running…
PixelController v1.3.1 released

March 7, 2013 Respond

I just released PixelController v1.3.1. Noteworthy changes: Create your own generators and send them via OSC protocoll to PixelController I added several Processing examples, including Android and Microsoft Kinect examples PixelInvaders panels can controlled wireless, using a RPI and the ser2net utility Here is a “Rough Cut” Video of PixelController and two PixelInvaders panels in…
Use a RPI to make a network enabled PixelController

February 25, 2013 Respond

I use a Raspberry Pi (or any other Linux based computer) to make the USB based PixelInvaders network enabled. This should work for any Arduino based project. All you need is ser2net an Raspberry Pi and an Arduino board with an USB connector. Please note that the lastest ser2net (v2.8rc3) has a bug which is…
PixelController v1.3 final released!

February 1, 2013 29

I finally released PixelController v1.3. Since the last beta version (beta-18) I improved the GUI part of PixelController. What is PixelController? PixelController – a matrix control project by Michael Vogt , (c) 2010-2013. The main goal of this application is to create an easy to use matrix controller software which creates stunning visuals! .. and…
Serial (UART) communication between Raspberry Pi and Arduino

January 29, 2013 7

I want to communicate between my Raspberry Pi and Arduino via Serial line (UART). Why? The RPI cost less than a Arduino Ethernet Shield and has more power. And because I can… The main problem is, the RPI operates at 3.3V while Arduino operate at 5V. So you cannot connect the two devices together without…
Serial2Parallel Teensy Firmware – control thousands of LED modules

January 22, 2013 Respond

If you want to drive thousands of LED modules with a single Teensy at a decent framerate, you cannot use the Hardware SPI signal. Paul Stoffregen did a fantastic job with his Serial2Parallel Firmware. The idea is simple: send serial data and split it up into eight parallel outputs. This firmware was used to drive…
Arduino Theft Protection

January 5, 2013 6

Nobody likes thieves and thieves (mostly) don’t like if people are at home and watch TV. I thought why not simulate a running TV to deter thefts. Well I had an old Seeeduino (Atmega 168P) lie around, together with a LiPo Rider Pro and a 6Ah Batterie pack. I added two WS2801 LED pixels and…
PixelController Tutorial: Use a Midi device to control PixelController

December 7, 2012 Respond

This tutorial will show you how a MIDI device (for example a Akai MPD26) can control PixelController using PureData. PureData will translate the MIDI signal to an OSC message and send it to PixelController. PixelController is my Open Source Led Matrix project, originally used to control my PixelInvaders panels, now it support multiple output devices.…
DMX and DIY stuff

November 9, 2012 Respond

Why are there so many DIY Led projects out there, but almost none of them support the “industry standart” DMX512? Brian and myself had a little conversation about this topic and I thought why not write down the key points? I never worked with DMX512, however my (theoretical) opinion about the advantages of DMX512: A…
Kalikut NOW Stage Design

November 7, 2012 1

Some friends formed the band “Kalikut Now“. They asked me to help them creating illuminated letters for a stage show. They made eight 80cm high wooden letters with an acrylic front and did all the hard cabling work, I created the Arduino firmware and the Processing front end. I use a Teensy board, they provide…