Each student who wants to validate this course as members of the "digital" should become a part of group which is going to teach and lead a 45-minute course.

Make sure You define:
0) where ? (e.g. classroom, hall, street, garden, atelier)
1) question which is going to be addressed by the course
2) target audience (pre-schoolers ? pupils ? adolescents ? adults ? alzheimer patients ?)
3) instruments and media You are going to use (at least one kind of digital instrument or medium obligatory for members of the dig. group)