Minitel terminals are plentiful and fun to play with.
A great first project is to build a serial interface and connect your Minitel to a PC. Here are some resources to get you started:
- Guidelines for building a serial cable for Minitel
- Another serial cable tutorial
- Related thread on serverfault
In the classroom, Julien and I have been using the Minitel to display a teletext-style "slide show." For more info, see our Arduino code repository:
Another fun project is to use your Minitel as a dedicated Twitter terminal! There are many ways to go about this but here is one of the best tutorials: