Engineering

Buy the motor :

https://www.amazon.fr/Akozon-Motoreducteur-Electrique-Réduction-Vitesse/dp/B07FTDGN6K/ref=sr_1_1_sspa?__mk_fr_FR=ÅMÅŽÕÑ&crid=2A7AQAER7OZV2&dchild=1&keywords=motoreducteur+12v&qid=1628093960&sprefix=Motore%2Caps%2C182&sr=8-1-spons&psc=1&spLa=ZW5jcnlwdGVkUXVhbGlmaWVyPUExU0dOT1VYQjNCNUdQJmVuY3J5cHRlZElkPUEwNzU3MDgwMzBZWTMzWktVS1pLUiZlbmNyeXB0ZWRBZElkPUEwNjU1MTk4TVZOWjI2ODY0UlM5JndpZGdldE5hbWU9c3BfYXRmJmFjdGlvbj1jbGlja1JlZGlyZWN0JmRvTm90TG9nQ2xpY2s9dHJ1ZQ==

https://www.amazon.fr/Haljia-support-batterie-housse-Interrupteur/dp/B071FJ14P2/ref=sr_1_20?__mk_fr_FR=ÅMÅŽÕÑ&dchild=1&keywords=Boîtier+piles&qid=1628094022&sr=8-20