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Figure 2 - Converting the GPS connector for breadboard use
Figure 2 - Converting the GPS connector for breadboard use

The GPS module came with a small cable and connector set that would be perfect for installation onto a printed circuit board, but not much use for breadboarding work. I decided to convert the cable for breadboard use by cutting it in half so that I could solder a row of header pins to the wires. This would essentially give me two cables when done as the GPS compatible connectors would remain at one end of each half of the cable after cutting.



Figure 3 - The datasheet will detail the IO lines as well as default settings
Figure 3 - The datasheet will detail the IO lines as well as default settings

According to the FV-M8 datasheet, all of the signal lines were either DC or digital, so there would be no issues with modifying the connector or cable length. The data sheet will show you the pinout of the GPS connector, as well as all of the timing and communications parameters that are needed. If you are planning to use a development board that will accept the connector for your GPS module, then the IO pin configuration is not important at this time, but eventually you will probably want to reduce your project down to just the GPS module and a microcontroller. Figure 3 shows the section of my datasheet that indicates the purpose of all eight wires coming out of the GPS module. Out of the eight possible wires, I only needed three of them to get the data into my microcontroller: power (VIN), ground (GND), and transmit (TX1).

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