Which is the proposal for a modular, Arduino based measuring device standard.

helps students to decide if they should learn to the next lesson,

while teachers can study their pupil's habits.


The unusual features are maybe questionable but harmless and also key to reach students.

which helps buyers on Jófogás (Hungarian equivalent of eBay) to check listing's photos if they are stolen from other, older listings.

Lopott Képek

(`Stolen images` in english)