Difference: GPSReceiver (2 vs. 3)

Revision 32020-08-04 - UliRaich

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The Neo 6M GPS receiver

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1	9,10
2	16,17

On our system UART 0 is reserved for REPL, GPIO 9 and 10 are not pulled out to the connector and GPIO 16,17 are used by PSRAM. Fortunately the ESP32 allows to re-map UARTs to just about any GPIO pin using the GPIO matrix and the MicroPython driver supports the re-mapping. We can define a UART as follows:

Deleted:

<
<

uart2=machine.UART(2, baudrate=9600, rx=21, tx=22, timeout=10000)

Added:

>
>

For more information about the ESP32 UART driver in MicroPython see

https://docs.micropython.org/en/latest/library/machine.UART.html#machine-uart

The card on which the Neo 6M GPS receiver is mounted has 4 connection pins (starting from the left):

Pin on Neo 6M	Pin on ESP32 bus
Vcc	3.3V

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