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A very long time ago (~1985), I dropped my Minitel and the screen was dead. I cabled an Ascii keyboard on the Mother board and made an interface for a Black& Wh
by JPLeRouzic 5y ago
A very long time ago (~1985), I dropped my Minitel and the screen was dead.
I cabled an Ascii keyboard on the Mother board and made an interface for a Black& White TV with only one transistor (2N2222 probably) and a few resistors.
The motherboard was inserted in a "Traoumad" metal box for the famous biscuits.
https://en.wikipedia.org/wiki/Traou_Mad https://en.wikipedia.org/wiki/Traou_Mad
- ptidhomme 5y agoDo you have any pictures of this remarkable setup ?
- JPLeRouzic 5y agoIt's still in a garage in Rennes, I will take a picture next time I go there, but it's in a dirty state. I was very lucky to find a mechanical keyboard with a matrix that was very similar to the one used by the Minitel. And as I worked in an in-house teaching unit of France Telecom near Lannion's CNET R&D unit, I had access to Minitel's schematics. If I remember correctly, there was no mapping for the "connection" key. And at that time Traou Mad was commercialized in steel boxes.