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A Klingon dictionary to fill yourself - optimal for learning the language. The dictionary includes your own word list and a grammar sections for verbs, nouns, pronouns and other words.

A music player library for Arduino.

A solution to Matt Parkers digit order puzzle.

An NTP Handler class for the library NTPClient.h.

An Arduino based weather station.

DACHS - Database-based Application Choosing Homologized for School DACHS is an application written in Rust that tries to match pupils to courses according to their wishes.

A Filesystem wrapper class for the LittleFS for Arduino.

A debounced Button class for Arduino.

Ziege - Zoologisch inspirierter, einbeziehender Geräusche-Erlerner. (German for: zoologically inspred, including sound learner). A pairs game that maches animal pictures with their sounds.

An android app to automate the search for herbs in different regions of Aventurien.

A simple command line program to calculate the age of children (in years and months) from their birthday and the current date.

A class to detect if a specific key was pressed on the console. It takes control of the console, changing it to nonblocking, raw and mute mode while in scope.

The solution for "MPMP: The Card Order Puzzle" (https://www.youtube.com/watch?v=8I1OCqX93XI), with a configurable number of cards.

The solution for "MPMP: Avoid the Square!" (https://www.youtube.com/watch?v=FMQQFbZaQTk), with a configurable square size and a brute force mode and a regular play mode.

The solution for "MPMP: Unique Distancing Problem" (https://www.youtube.com/watch?v=M_YOCQaI5QI), with a configurable square size and a brute force mode and a regular play mode.

A local rust crate managing all possible permutations of points in a grid with the option to remove duplicates like rotations and mirroring.

A iterative and recursive solution for Alex Bellos' 'Fertile Family' problem, Nr. 4.

The solution for "MPMP: The 19 Challenge" (https://www.youtube.com/watch?v=tBXGIXEV7tI) that finds out which sums of squred prime numbers up to the n-th prime number is divisible by n.

The solution for "MPMP: The Marching Band Problem" (https://www.youtube.com/watch?v=5GZ5IqxAt30), with a configurable number of band members and a desired number of band formations.