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I2C communication between a RPI and a Arduino
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...
View ArticleAnother Raspberry PI WLAN installation
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....
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RPI as Network enabled I2C gateway aka. Daft Punk helmet
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...
View ArticlePhoneGap 3 for Dummies, Part 1: Setup and a first example
I found a lot of tutorials for PhoneGap 2, but I couldn’t find any PhoneGap 3 tutorial. That’s why I start a PhoneGap 3 tutorial session. Please note, I never worked with PhoneGap 2, so please correct...
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PixelInvaders at SOON Gallery Bern, ON/OFF
My Kinect based installation at the SOON Gallery Bern, “ON/OFF – Kunst unter Strom”. Installation duration: 06-07-2013 until 10-08-2013 Depending on your moves, different visuals are displayed on the...
View ArticleCevian Raspberry, Demodays 2013 entry
I created a small demo for Demodays 2013, see Pouet.net for it’s rating and download link. Source available on GitHub. Note: I wrote this code in a hurry, it’s source code is quite ugly! Track...
View ArticlePhoneGap 3 for Dummies, Part 2: Create a native Plugin
The goal for this tutorial is to write a native (iOS) plugin for PhoneGap 3.0.0. The documents about native plugins a bit unclear to me. If you want to use a custom native plugin, you need to create a...
View ArticleRPC calls and mysterious 40ms delay
I wrote a Java client that reads DMX data from the OLA application. OLA provides a nice Java Wrapper class that use Google’s protobuf library (Protocol Buffers are a way of encoding structured data in...
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PixelController v1.5.0 released
I just released a new Version of PixelController (The main goal of this application is to create an easy to use LED matrix controller software which creates stunning visuals). Major features are: new...
View ArticleRPi, Java and RXTX
Per default the RXTX library finds only serial devices on *nix systems that start with /dev/ttyS. On my RPi system the serial port is called /dev/ttyAMA0. So if you enumerate all serial ports on a RPi...
View ArticlePixelController v2.0.0 released
PixelController is an OpenSource Visual tool to create realtime (LED) Matrix animations. It support different output plugins/protocols (like ArtNet, E1.31, TPM2, miniDMX, rainbowduinos and...
View ArticleEspruino and WS2801
Here is a quick and ugly code to drive 50 WS2801 LED modules on a Espruino board: 1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556var nrOfPixels =...
View ArticlePixelInvaders featuring True – Vertyko Video
I had a chance to participate to a local video shooting for the band True. They needed an animated LED background, so I helped them with PixelController and the Hardware. The Video features 3...
View ArticleINCEPTION – A Docker image that build Docker images…
I really like Docker – a very easy way to create runnable containers. I want to show you how you can create a Docker image that build all you Docker images (Inception!). Use Cases for such a Docker...
View ArticleRun ARM binaries in your Docker Container using Boot2Docker…
Boot2Docker v1.3 supports the Kernel option binfmts. I also found some nice Docker images by David Weinstein on his GitHub repo. It didn’t work straight out of the box, therefore this blog post. I...
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NEEO – The Thinking Remote
We were working hard the last year to bring you NEEO – “The Thinking Remote”. NEEO is a smart system that lets you control all your devices from one place and even knows who you are when you pick it...
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