Turtle Sense communicator housing final assembly

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Revision as of 19:46, 15 August 2014 by Dave (talk | contribs) (Add final assembly instructions)
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Overview

The main pieces of the system have been completed at this point:

  • The Comm PCB and phone assembly
  • The Smart Sensor
  • The PVC pipe housing

The pieces now get assembled into one unit. The instructions below assume that the unit will be used in a severe weather environment, and that it may be subjected to dropping (by the Post Office, for example). Some of the instructions below are intended to prevent damage to the unit from those causes.

Materials used

  • AA NiMH batteries, qty 8
  • 8-AA cell battery holder
  • 1 1/2" x 1 1/2" x 1/4" Wood blocks, qty 2
  • Nylon cable ties, about 5"
  • Parafilm
  • Small bubble wrap (about 1/4" thick)
  • Teflon tape
  • Vaseline
  • 10 gram dessicant package

Battery pack assembly instructions

  1. Make sure the 8 AA cells are fully charged.
  2. Install the batteries in the battery holder.
  3. Attach the battery cable to the battery pack.
  4. Verify that the Comm board is functioning (blinking LED, etc.)
  5. Secure a cable tie (or two in series) around the battery pack and the middle of the battery clip.
  6. While holding the two wood blocks against the sides of the battery pack, secure a cable tie (or two in series) around the middle of the battery pack. The blocks help prevent the batteries from coming out of the holder accidentally. The wood blocks should be over the cable tie holing on the battery cable.
  7. Wrap the battery pack tightly in Parafilm.
  8. Wrap a piece of bubble wrap around the middle of the battery pack.
  9. Wrap another layer of Parafilm around the entire battery pack.

Final assembly instructions

  1. Secure a cable tie (or two in series) around the middle of the Comm PCB and Phone board.
  2. Wrap four complete turns of teflon tape around the threads of the Inside Threaded Pipe Plug, With the electronics pointing down, wrap the tape counterclockwise.
  3. Insert the dessicant package in the space between the Comm board wood mounting blocks.
  4. Screw the plug of the electronics assembly into the PVC pipe assembly. Start it by hand, and then
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