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Data Hacking

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94 Part I — Hardware Hacks<br />

FIGURE 5-9: Apply a few blobs of silicone to the edges of the screen — waiting for it to dry<br />

before using.<br />

The great thing about using silicone sealant is that you can remove it once it gets a bit rough<br />

and add some more. These bumpers won’t last forever and usually come loose after a few weeks<br />

or months, so you will need to replace them regularly.<br />

Some people make more robust rubber bumpers by using hot glue from a hot glue gun instead<br />

of silicone. I don’t suggest this because the heat from the glue can crack the screen or damage<br />

the underlying LCD display. The risks outweigh the benefits, and the objective is to protect the<br />

screen, not subject it to possible destruction.<br />

Wire Bumpers<br />

Another option is to create wire bumpers for your GPS. This mimics the protectors used on<br />

some sports watches to protect the LED from damage.<br />

These are quite easy to make. All you need are the following:<br />

A few big paperclips (shown in Figure 5-11)<br />

A pair of pliers with wire cutters<br />

Silicone tubing (as used in a fish tank aquarium to pipe the air)

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