useless box

thingiverse

“The psychological effect, if you do not know what to expect, is devastating. There is something unspeakably sinister about a machine that does nothing — absolutely nothing — except switch itself off.” Cit. Arthur C Clarke . Arduino sketch and schema https://github.com/rookie-code/uselessbox ; material list: -<a title="servomotore 1" href="https://www.amazon.it/ZHITING-Servomotore-ingranaggi-servomotore-Helicopter/dp/B088NB5Y27/ref=sr_1_3?crid=15338XW2X4HTK&keywords=mg996r+servo+motor+180&qid=1643839284&sprefix=mg996r+servo+motor+180%2Caps%2C74&sr=8-3"> servomotor 1pz; -<a href="https://www.amazon.it/RUIZHI-Servomotore-Ingranaggi-Metallo-Helicopter/dp/B0972N6G3G/ref=sr_1_3?crid=1WEE4T7SA8CFJ&keywords=mg90+servo+motor+180&qid=1643839484&sprefix=mg90+servo+motor+180%2Caps%2C82&sr=8-3"> servomotor1pz; -<a href="https://www.amazon.it/KINYOOO15-Interruttore-levetta-Position-Posizione/dp/B07J4KB38W/ref=sr_1_38?crid=34WWKV4LZC3AP&keywords=switch+basculante&qid=1643839557&sprefix=switch+basculante%2Caps%2C87&sr=8-38"> switch 5pz;