Hackaday

Building A Wall-Mounted Sound Visualizer

Visualizers used to be very much in vogue, something you’d gasp in at amazement when you’d fire up Winamp or Windows Media ...
GitHub

A simple Teensy-Programm (written as Arduino-Sketch!) to control a WS2812-RGB-Led

This is a very simple Arduino-Sketch for the Teensy - LC with the aim to control a WS2812-RGB-Led from a host-computer through a connected Teensy-LC via USB-Serial We recently built 10 of these Teensy ...
Hackaday

Reading Smart Cards From A PLC (with A Little Arduino Help)

If you’ve spent any time on a factory or plant floor, it is a good bet you’ve run into PLCs (Programmable Logic Controllers). These are rugged computers that do simple control and monitoring functions ...
GitHub

A little arduino programm that writes out a simple test pattern on 8 pins that can be used to test a logic analyzer.

Recently I bought a cheap VKTECH Saleae logic analyzer clone from www.aliexpress.com. The product itself is cheap but it works. Just the cables that shipped with it were crap and had to be replaced ...