Source google image: https://i.pinimg.com/736x/77/a9/ef/77a9efa3fc3489394c3d88f2353b261b–trains-miniatures-ho-scale.jpg
Schema electrique d’un volet roulant
Source google image: https://i.pinimg.com/736x/77/a9/ef/77a9efa3fc3489394c3d88f2353b261b–trains-miniatures-ho-scale.jpg