12/22/2023 0 Comments Usb gps receiver nmea 0183![]() ![]() RS-232 signals can reliably be used over several meters of cable and are compatible with PC serial ports, though these are becoming increasingly rare in new computers. TTL signals are typically used within devices or over short cable runs. These two varieties of serial interface differ in their voltage levels and polarities, but are otherwise identical and can be used interchangably with simple converter circuits. ![]() Two types of serial interface are common for GPS receivers - RS-232 and TTL.
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