Hold_only_board.gif
23.01.2017: board PCB designed. Version 1.0
27.01.2017: etched and drilled, to be used for Melauton.
29.01.2017: board mounted on the top of the melauton robot.
07.02.2017: another copy of the board made, etched and drilled, with slight
            improvements in component placement. This board is not for
            melauton.
14.10.2017: Considering to use this board for Llor.

Midi hub and motor board:
2015: Designed and build for propeller 1 in the Balmec project
29.01.2017: rewired for use in the <Melauton> robot with a 24V motor.
            New firmware written.
02.02.2017: input for analog Freescale pressure sensor added.