To play mp3 files on raspberry pi you could use the omxplayer. Install it over terminal via: sudo apt-get install omxplayer To play a mp3 file just use: omxplayer -l 00:00:00 -o local /path/to/fie.mp3 The parameter -o local defines the output to be local, which means on the raspberry pi to use the 3.5mm jack. […]
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This article is outdated. Please read this update: https://blog.sebastian-martens.de/2017/08/running-chrome-in-kiosk-mode-on-raspberry-pi-update/ I recently use Raspberry PIs for everything and and many projects. When I have any kind of interface showing to users I use webinterfaces shown in Chrome Browser. So I need to run it in a Kiosk mode. This it how it worked for me: First […]
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How to fix connections problems when Arduino Nano modules will not be found in the port list of Arduino IDE.
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I recently needed to do a fast motion detection for an installation. The problem was that I didn’t know the final environment where it would happen. Classic motion detection sensors work with Infrared detection and have problems with direct sunlight. So I had to do my own solution.
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This is a small how to guide to build your own E-Mail printer. Please feel free to update the repository or post any upgrades.
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Some things are much nicer on paper, especially in our more and more digital age. Normally I wouldn’t count EMails into this list. But in this case …
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Nach meiner Vorlesung „Content Management“ (http://cm.lecture.nonstatics.com) an der Fachhochschule Wedel halte ich aktuell eine neue Vorlesung an der Miami Ad School in Hamburg. Wir haben die Vorlesung „Tech Garage“ genannt. Etwas überzogen in Anlehnung an das Klischee der Garagen-Startups. Eigentlich geht es aber vor allem darum, erst einmal die Neugier an Technologie zu wecken und […]
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Tweeting pot plants are not the really latest hot shit in the Internet of Things (IoT). It’s more or less a must have done once, like writing your own CMS system in the early days. But it is still fun. So I build a tweeting pot plant for my friends at the Miami Ad School.
Read moreI run a lot of standalone raspberry pi. Often for very small installations. So I have a standard image for all new rasp pis. On startup it will send its own IP address to a fixed server. So after starting one I have a quick look at the server, which is the current IP to […]
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Bei den diesjährigen Online Marketing Rockstars haben wir unter dem – erstmal langweiligen Titel „Das Internet der Dinge: Creative Technology in der Marketingpraxis“ – keine Verkaufsshow präsentiert, sondern einfach mal unseren Spaß gehabt …. funktioniert hat es deswegen erst recht.
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Für meine Weihnachtspost gebe ich mir jedes Jahr eine neue kreative Herausforderung. Dieses Jahr wollte ich mit Lego Mindstorms programmieren. Herausgekommen ist ein „Binär-Drucker“.
Read moreWith the latest QNAP Updates there is no standard package „SVN“ available via the App Center anymore. To install SVN on your QNAP anyway you could do the following steps: The first step in the installation is to Install Optware IPKG through QPKG Active Telnet on your QNAP under Network Services Connect to your QNAP […]
Read moreWhat are iBeacons / BLE ? Currently iBeacons, or more general BLE Beacons, are a very trendy topic. By the end of the day Beacons are nothing more than small devices, doing nothing else than sending their own ID all day long. Because this is done via the BLuetooth Low Energy Standard (BLE) this is […]
Read moreIn der aktuellen Version von WordPress (3.6) findet sich immer noch ein kleiner nerviger Bug. Wenn man einmal das linke Hauptmenü eingeklappt hat, dann wird es nach jedem Seiten-Reload erneut eingeklappt. Und bei diesem Verhalten bleibt es, das Menü bleibt weiter eingeklappt. Der Wert dafür wird nicht in einem Cookie gespeichert, sondern direkt in der […]
Read more[highlighted_text]This article is outdated.[/highlighted_text] Why? As for my various Motorbike Tours I normally love to do the first steps of route planning within Google Maps. It’s a great tool with mostly up to date data, you immediately got a distance and travel time estimation, you could send the link/tour to your friends …. BUT you […]
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