Yearly Archives: 2019
Control Fairy LED Strings with a Relay Module and an Arduino
This tutorial shows how to control so-called "fairy LED strings" (also called LED strings, fairy lights, fairy LEDs etc.) with an Arduino. The idea...
SunSpec Tutorial Part I: Modbus
This is a three-part tutorial about SunSpec, an open specification that aims at increasing the interoperability within the solar and distributed energy industry. The...
WS2813 vs. WS2812B + “WS2813 Mini”-based RGB LED Ring Tutorial
The WS2812B from the WS2812 series has been my favorite RGB chip when it comes to projects where lighting in different colors is involved....
Arduino Tutorial: Making the KMR-1.8 SPI (TFT Display) work!
Recently, I had the idea to make a digital picture frame—one of these kinds which load images from SD cards and show each image...