Pygmalion - Page 3 of 7

Assign a static IP address to the wireless network interface on Raspberry Pi

March 14, 2015March 23, 2016 Pygmalion

Introduction To easily access our wireless Raspberry Pi projects (like the Pi Rover) over SSH, FTP, HTTP or whatever, we want to assign a static IP to the WLAN interface. In this example the network a... Read More

The HC-SR04 ultrasound range finder on Raspberry Pi

March 7, 2015December 9, 2018 Pygmalion

Introduction The HC-SR04 can be used to measure distance and detect obstacles in robotic projects. However, the reported range is not always accurate, small objects are mostly not detected at all and ... Read More

Pi Rover: Raspberry Pi with a DMC02 motor controller

March 1, 2015March 14, 2015 Pygmalion

Introduction We’ll build a mobile robotic platform with a Raspberry Pi on a chassis. A Pololu DMC02 motor controller board is used to drive the engines. The controller receives serial commands f... Read More

GStreamer on Raspberry Pi – the short answer

February 22, 2015March 14, 2015 Pygmalion

What I needed was a live video stream to provide some sort of an FPV experience. Streaming over VLC or ffmpeg turned out to be suffering from too much of a time lag. Streaming over MJPEG Streamer with... Read More

OSMDroid with Google Play Location Services

December 31, 2014 Pygmalion

Introduction OSMDroid is a suitable alternative to Google Maps if you need an alternative tile source for mobile maps (e.g. a hiking map or a custom representation of a campus or theme park). In this ... Read More

Flight radar with Raspberry Pi and an SDR dongle

November 14, 2014March 4, 2018 Serge Helfrich

Introduction Most large aircrafts today are equipped with an ‘Automatic Dependent Surveillance Broadcast‘ (ADS-B) system. This equipment will be mandatory in 2017. It broadcasts flight dat... Read More

Daylight controlled devices with PyEphem

November 7, 2014January 5, 2019 Pygmalion

I needed a camera to be turned off at night and a PIR sensor (controlling a light switch) to be turned on. A photoresistor would be an obvious choice here, but we can also accurately calculate twiligh... Read More

Motion detection with Raspberry Pi

November 2, 2014November 22, 2015 Pygmalion

To detect intruders in my living room I used the PIR sensor from a Funduino starter kit. A Python script triggers some appropriate actions when motion is detected. Set the jumper on the sensor PCB to ... Read More

Google Text to Speech on Raspberry Pi

October 26, 2014February 5, 2015 Pygmalion

Google Text to Speech provides excellent speech quality. A limitation is that the Pi needs to be online to use it (which mine always is, so it’s not really a drawback). First, the ALSA sound dri... Read More

Create a Debian package from an executable jar

October 20, 2014October 21, 2014 Pygmalion

We’ll use our simple game Cave Fizzer as an example again. It’s a libGDX project and we can simply export the desktop sub-project as a runnable jar. Once we have done so the challenge is t... Read More

Using the Loader pattern with SQLite on Android

October 15, 2014August 25, 2015 Pygmalion

In my Dutch Hangman game a random word is retrieved from a database containing about 100000 words. To provide a smooth user experience this needs to be done asynchronously. (Actually several asynchron... Read More

Remote-controlled mains sockets with Raspberry Pi

October 13, 2014November 22, 2015 Pygmalion

Introduction RC power sockets commonly use the 433 MHz band, like many other Short Range Devices (e.g. car keys, garage doors, LPD radios). We will use pilight to sniff the RF signals so we can reprod... Read More

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