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Update A-step-by-step-guide-for-an-FPV-setup.md 

Added information on how to enable 2nd UART
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arvet333 2024-02-15 12:56:27 +02:00 committed by GitHub
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@ -661,5 +661,21 @@ To power your camera by 5 volts power supply, you should solder wire as shown on
![5v power](../images/camera-5v.jpg)
### Utilizing 2nd UART for telemetry
It is not so convenient to use those small pads for telemetry. Here is instruction how to enable 2nd UART port.
1. edit /etc/init.d/S95majestic, insert next strings like on screenshot
```
devmem 0x1F207890 16 0x8
stty -F /dev/ttyS2 115200 raw -echo -onlcr
```
![first step](../images/uart2-1.png)
2. edit /etc/telemetry.conf Change ttyS0 to ttyS2 (see the screenshot)
![second step](../images/uart2-2.png)
Make sure you set mavlink telemetry with 115200 boudrate in your FC