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IT and hardware hacking
Guillaume's blog

Projector

This was a project that I made in two days (2nd and 3rd november 2015). It is a two-axis projector mount, controlled by a custom board (see Custom RAMPS) via two servomotors.

http://hack.ens.fr/projets/acheves/projecteur

 

Custom RAMPS

Cheap alternative to the RAMPS shield to drive a single stepper motor and two servos.

http://hack.ens.fr/projets/acheves/customramps