Here is a short overview of Ideas and/or Projects if someone want to hack something…
Projects and/or Ideas:
Windrad → Strom
Wasserrad → mechanische Energie
Freifunk, standalone Outdoor APs
Energiespeicher → smarte Akku-lade und -überwachung
Foodhacking
nordic chess → Proof of concept
Freifunk, standalone Outdoor APs