Proxim RangeLAN2 7920 Manuel d'utilisateur télécharger pdf (Page 27)

2. Electronics Enclosures

a. The Platform

The platform enclosure was built to allow for ease of access during the

initial program development and hardware integration phase. The platform is constructed

of clear plastic that is approximately 0.325in thick. The platform places an 8.75in wide,

13.5in long platform 3.5in above the base allowing for two large placement areas that

could be visible during all aspects of testing.

b. The Box

The box electronics enclosure was constructed for use as splash-proof

protective enclosure, which would also act as a base for the tow hitch used with the

Seismo-acoustic sensor trailer. The box is 6.5in tall, 6in wide and 10.25in long,

providing sufficient space for all electronics. Electronics are mounted to the floor or

walls of the box by mounting screws (if provided) or Velcro. A mast was added the top

of the tow hitch as a mounting location for the magnetic compass, the mast places the

compass 27in above the main base of the Lemming and is high enough to eliminate

magnetic interference from the motors and the GPS antenna which has a built in magnet

used for mounting on automobile or marine applications.

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Proxim RangeLAN2 7920 Manuel d'utilisateur Page 27