Making your own Linux distribution for the Raspberry Pi for fun and profit, part 1

For our Escape Box project, we had to come up with some kind of way to control all the various puzzles – the lights, buttons, servos, displays all need to be controlled somehow. Luckily there are various solutions available: the Arduino, the ESP8266, and the Raspberry Pi are all available …

User friendly machine learning

For Dialogic, I developed a user friendly environment for machine learning. The tools, which are available online through diasli.de, allow users to quickly set up image classifiers, text classifiers as well as generic machine learning models using custom features and outputs. Supported features: Image classification: transfer learn image classifiers using …

Darker fiber: the hidden, semi public fiber networks in the Netherlands

In the Netherlands various fiber infrastructures have been deployed over time for various (semi) public applications – many of which are only used by a single organisation. Some of these networks have large amounts of extra capacity. For the Dutch Ministry of Economic Affairs, Dialogic conducted a study on these …

Wi-Fi LED strip controller

The Pixelspark Wi-Fi LED strip controller allows controlling of WS2801 ‘digital’ individually addressable LED strips (and, through software, possibly also for WS2812 based strips). Alternatively the board can be configured to provide I2C output for use with e.g. the MCP23017 daughter board. The LED strip controller is based on the …

Escape box platform

The escape box platform is the basis for creating ‘escape boxes’ which are puzzle boxes similar to escape rooms. The platform is based on the Raspberry Pi and provides for robust and easy-to-connect (using flat ribbon cable and IDC connectors) control. Revision 1 The first revision consists of two PCBs …