2D Xmas Tree

a little christmas decoration tree made out of a PCB, all parts are within the PCB, making it only 1,6mm in height!

Arduino IOTA Seed Generator

The IOTA crypto wallet needs a 81 character seed that needs to be generated by yourself.

This method here let a Arduino do the job and generate you the Seed with the Arduino random function:

Hollow RGB XMAS Tree

Hollow XMAS Tree made from WS2812 RGB LED´s and a Digistump ATTiny85

Code and HowTo on my Github Page: https://github.com/designer2k2/xmas-tree

LoRa Eigenbau Sender

Wie baut man einen einfachen LoRa Sender? Es gibt mehrere Varianten, hier wird es mit dem Dragino LoRa Shield gezeigt.