AndyPi’s Sonic Ruler measures distances in the same way bats do – using ultrasonic sound waves! The circuit and code are both very simple, and it gives you an idea of how to use an ultrasonic sensor for more complex… Continue Reading →
Music Beats Visualizer is an Arduino controlled spectrum analyzer, which lets you visualize sounds according to their frequency. The input is an electret microphone, and the output is 6x WS2801 RGB LEDs. The lights change colour depending on the amplitude… Continue Reading →
A few years ago Phillips included something called AmbiLight on some of there TVs. Basically RGB (multicolour) LEDs are set into the rear of the TV, which reflects whatever you are watching – it looks extremely cool, makes for a… Continue Reading →
AndyPi customer Pete has come up with a great use for an old USB modem plus a Raspberry Pi and AndyPi HD44780 LCD – a BT landline caller ID display! Thanks to Pete for providing the excellent instructions (PDF download).
There are a number of instances where it is useful for your Raspberry Pi to act as its own wifi hotspot, in case you need to access the raspberry but there is no network (or router). These instructions show you… Continue Reading →
WS2801 RGB LEDs WS2801 are a strip of RGB (red-green-blue) LEDs, and there colour and brightness can be in individually controlled. which means with some simple programming you can create some very cool effects (Not least of which is the… Continue Reading →
I’m learning Mandarin at the moment, and whilst the grammar rules are fairly straightforward to understand on paper, actually getting that knowledge out of my brain and through my mouth without having to think for a good few seconds is… Continue Reading →
AndyPi’s latest product is a miniature colour graphic TFT display, 2.2″ wide with 320×240 pixels (we also have a small number of 1.8″ TFT’s at a bargain price) The sky is the limit as to what you could use this… Continue Reading →
In December 2013’s issue of the MagPi (the Raspberry Pi community magazine), you can read AndyPi’s article (page 14-15)! A fuller description of setting up an LCD with Python is available on this website: Python Controlled LCD
I came across this useful little script when playing about with RadioPi – since I couldn’t here the text-to-speech output very easily when I was testing, and had no idea how to change the volume from the command line. You… Continue Reading →
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