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Assembling the Raspberry Pi and the HAT

Step 1: Necessary parts

You will need:

  • A Raspberry Pi of your choosing
  • Hex nuts (4x)
  • 12 mm hex standoffs (4x)
  • 12 mm hex standoffs-with-screws (4x)
  • 10 mm plastic nylon screws (4x)
  • Bottom faceplate
  • HAT

Depending on if you are using a Raspberry Pi Zero (the tinier Raspberry Pi), or Raspberry Pi A or B (the full and 3/4 size), the placement of the hex nuts will be slightly different. See below:

Step 2: Bottom faceplate

This faceplate will protect the Pioreactor from potential spills.

  1. Orientation: the base will have a flat edge and an edge with an indent. The GPIO pins sit along the indent, seen on the left in the images.
  2. Insert the 10 mm screws into the holes.
  3. Screw the hexnuts on each screw, sandwiching the faceplate.
  4. Place the Raspberry Pi on top, aligning the holes, with the GPIO pins on the left.

Step 3: Placing the HAT

  1. Screw on the hex standoffs-with-screw in each corner.
  2. Place the HAT on top. Push down to secure it in place.

The HAT's GPIO connector will line up with the RPi's GPIO pins, and may require a slight force to compress down. Careful note to apply too much force and bend any pins.

  1. Screw the hex standoffs in each corner, on top of the HAT.
  2. Put this aside and proceed to the next page.