Hardware Reference
In-Depth Information
Firmly and completely insert your SD card and the cables you want to use. Make sure
the system works right now, then leave all the cables connected to the Raspberry Pi,
but disconnect the other ends from everything (like electricity!).
Now get out the NeverWet paint. The paint comes with instructions, but here's the
basic workflow:
1. Prep your Raspberry Pi and cables for painting. We hung the Raspberry Pi in mid-
air using the attached cables, but you might want to set it down on a table. Gen-
erally, dangling electronics from their cables is a bad idea, but in the name of a
solid coat, we'll let it slide this time.
2. Shake can #1 (the primer) for a few minutes.
3. Holding the can 6-12 inches away from the Raspberry Pi, apply a quick (but
complete) coat of the NeverWet primer to ALL exposed surfaces, including a few
inches on each cable, as shown in
Figure 4-4
. Spray inside every possible nook
and cranny you can, including connectors you are not using and all around each
connector you are using. Don't forget to spray the edges and the GPIO pins.
4. Let the primer dry for 30-60 minutes.
5. Shake can #2 (super-hydrophic paint) for a few minutes.
6. Repeat the process you used with the printer for can #2. Be thorough, but don't
waste paint. You want a solid coating on every possible surface that might contact
water, but you don't want to end up with a drippy mess. You want to be making
smooth passes with the spray paint.
7. Let it dry for five minutes, and then apply another layer of the paint in can #2. You
want to repeat this cycle 3-4 times.
8. When you've put on all the layers, let the Raspberry Pi dry for 12-24 hours.
