In this video I show a Lego Technic gearbox for pneumatic system that toggles between two group of switches. It consists of four identical modules and a shifter. Four Lego Technic Power Functions Servo Motors toggle the Pneumatic switches. One M-Motor shifts between the two groups.\r \r Music:\r Platinum Butterfly (feat. Snowflake, Innabar) – Synergistic Effects, new, CC-BY 3.0\r \r \r More:\r Twitter \r Facebook \r Flickr \r Web (coming soon)\r \r LEGO® is a trademark of the LEGO Group of companies.
