A Tecthulhu software to control light and sound and interface with a Tecthulhu module on #MagnusReawakens
References:
Simple python test code to control WS2801 LEDs http://realitysucks.blog.free.fr/index.php?post/2013/06/18/Communicating-with-WS2801-from-Raspberry-PI
AndyPi Raspberry Pi controlled WS2801 RGB LEDs - source for ws2801.py https://andypi.co.uk/2014/12/27/raspberry-pi-controlled-ws2801-rgb-leds/
GPIO pinout of Raspi 3 Model B - need to connect MOSI, SCLK and GND to LED chain (ws2801 module) http://pi4j.com/pins/model-3b-rev1.html
SPI Loopback test with C program - wire MOSI and MISO together https://www.raspberrypi.org/documentation/hardware/raspberrypi/spi/README.md