Install Wheezy-Raspbian on the Raspberry Pi

First you will need to download the Raspbian image; click on the image below. Once the image is downloaded you will need to transfer the image to a SD card; which is 4GB in size or bigger. If the image is transferred to the SD card you just have to plugin the SD card into your Raspberry Pi a..

Kerberos.io Text-To-Speech output on motion detection

Kerberos.io is a project I've started working on about one year ago. In the meantime I've been developing and giving short talks at meetups to introduce Kerberos.io. I'm happy to say that Kerberos.io is getting finished, the're still some little improvements ..

Install Arch Linux on the Raspberry Pi

First you will need to download the Raspbian image; click on the image below. Once the image is downloaded you will need to transfer the image to a SD card; which is 4GB in size or bigger. If the image is transferred to the SD card you just have to plugin the SD card into your Raspberry Pi a..

Home surveillance: magnetic door protection with Text-To-Speech.

One of the "issues" we have at home is that we want to know when a specific door has been opened. We all know the door bell we've been using in shops for ages. When a customer enters the shop a bell will ring and the shop owner gets notified that someone entered; the bell was traditionally p..

OpenCV Simple Motion Detection: Concave hull optimization

In my previous blog post: simple motion detection with OpenCV, I mentioned problems such as sunlight, snow, wind, etc. We discussed some simple solutions: the standard deviation and only consider large sequences..

C++ Patricia Trie

A Patricia Trie also known as Practical Algorithm To Retrieve Information Coded In alphanumeric, Morrison 1968. Is a different representation for the regular trie, it is more efficient and takes less place. However the implementation is a little bit harder. Below you can find a complete impl..