Update gps-nmea-data-101.md

changed number of stop bits from 'none' to '1'. In an asynchronous data transfer (UART) a receiver always needs at least one stop bit.

Author: Uhrmel

content/learn/05.communication/04.gps-nmea-data-101/gps-nmea-data-101.md

@@ -29,7 +29,7 @@ The NMEA 0183 is a simple messaging protocol where **data in this messaging prot
 * Baud rate: 4800 bauds.
 * Data bits: 8.
 * Parity: none.
-* Stop bit: none.
+* Stop bit: 1.
 
 NMEA 0183 "talkers" can be, for example, a satellite, a depth sounder, or a compass, while the "listeners" can be a chart-plotter, a radar or a GPS receiver like the one used in the [Arduino MKR GPS Shield](https://store.arduino.cc/products/arduino-mkr-gps-shield). 
 
@@ -112,4 +112,4 @@ If you want to learn how to use the MKR GPS Shield, check out the tutorials belo
 
 * [1] "SAM-M8Q Data Sheet", u-blox.com, 2020. [Online]. Available: https://www.u-blox.com/en/docs/UBX-16012619. [Accessed: 05- Oct- 2021].
 * [2] "u-blox 8 / u-blox M8 Receiver Description", u-blox.com, 2021. [Online]. Available: https://www.u-blox.com/en/docs/UBX-16018358. [Accessed: 05- Oct- 2021].
-* [3] "NMEA 0183 Interface Standard", NMEA, 2021. [Online]. Available: https://www.nmea.org/nmea-0183.html. [Accessed: 05- Oct- 2021].
+* [3] "NMEA 0183 Interface Standard", NMEA, 2021. [Online]. Available: https://www.nmea.org/nmea-0183.html. [Accessed: 05- Oct- 2021].