For Pi Day 2017 I created a really fun project - the PHPUnicorn!
A simple PHPUnit listener collects test results and sends them to a Raspberry Pi Zero Wireless device in real-time. As the device receives the stats it lights up LEDs green, red, or orange to visualize the progress and results of your unit tests.
Full details of the project, including the bill of materials and source code to build your own can be found here: https://www.hackster.io/colinodell/phpunicorn-visualizing-phpunit-tests-896208
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