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Data Hacking

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22 Part I — Hardware Hacks<br />

FIGURE 2-8: Trimming back the sheathing<br />

6. Now take a look at the pFranc eTrex connector shown in Figure 2-9. Notice that it has<br />

four pins. The pins are numbered 1, 2, 3, and 4, with pin number 1 being the pin furthest<br />

away from the cable. The pins are as follows:<br />

■ Pin 1: Power supply (+)<br />

■ Pin 2: RXD (data in)<br />

■ Pin 3: TXD (data out)<br />

■ Pin 4: GND (-)<br />

7. Time to begin assembly of the pFranc connector. The connector includes five parts:<br />

■ Three plastic parts that make up the connector assembly<br />

■ One metal screw<br />

■ One strip of metal that has the four or eight pins attached to it (depending on the<br />

kit you receive), as shown in Figure 2-10.

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