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Month: December 2017

APA102 LED part 1: Pictures

APA102 LED part 1: Pictures

Introduction The APA102 die contains three light-emitting diodes (LED) and a controller chip. While a classic RGB LED is controlled via analog voltages, the APA102 is controlled digitally through the controller chip. Typically an individual APA102 element has eight contact points. Four input lines on the “left” side, and four output lines on the “right” side. Therefore it is really easy (and very common) to assemble many APA102 elements onto a long stripe. Between two LEDs is usually a cut…

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Install WordPress on the Synology Disk Station

Install WordPress on the Synology Disk Station

Introduction This blog is running on green.ch, not on my Synology Diskstation. I use the Disk Station for private data hosting, which doesn’t mix well with a publicly accessible blog, for various reasons: I might turn off the Synology (at night, need to cut power in the building etc.) I want to focus the security settings of the Synology around my personal needs (firewall everything except the ports / services that I need personally) The hardware is geared towards my…

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