Introduction We have seen how to control the Pi Rover over HTTP. However, you may find it a bit of an overkill to install a webserver bundled with PHP just to control the motors. A leaner alternative ...Read More
Which gerbil hardly sounded wonderful? Meet the Dada Bot. It uses a context-free recursive grammar to produce its wisdom. The engine is rmutt, a piece of software that I excavated from the deep entrai...Read More
Introduction Now that we have a programmable robotic platform, built with a Raspberry Pi, a motor controller and a chassis, we’d like to control it remotely, from a PC and later maybe from a mob...Read More
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
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
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
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
Import the json and the urllib2 modules: import json, urllib2 Programmatically contruct the URL to meet the requirements of the the geocoding webservice, i.e. make it look like this (click to view the...Read More
Most GPS software that ships with Ubuntu 10.04 uses gpsd to retrieve data from the GPS receiver. So make sure that you have gpsd installed. Unfortunately the new JSON protocol used by gpsd is not supp...Read More
By default, GtkWindow objects are displayed as compact as possible. In order to specify the preferred window dimensions, first set the visibility of the window to “No” in Glade Interface D...Read More
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