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The Circuit Board can be secured in position by making mounting grooves in
your box, or using the mounting holes in the 4 corners of the board. These
mounting holes are approximately 4mm diameter, and have centres approxi-
mately 47mm and 113mm apart (see picture below).
You can screw through these holes into appropriate projections in your nest
box, or use the mounting pillars to fit the circuit board to the top or side of
your nest box. The pillars can be fitted by drilling 4mm holes in the top/side
of the box, and pushing the “T” end of each pillar into this hole. The Circuit
Board can then simply be snapped onto the projecting ends of the 4 pillars.
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