Update Gateway.md

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Timm Bogner 2022-10-02 18:25:12 -05:00 committed by GitHub
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@ -18,6 +18,13 @@ In this example, the gateway is set to take any ESP-NOW packet it receives and s
The UNIT_MAC is the ESP-NOW and LoRa address of the gateway. This is the address that nodes or other gateways will use to pass data to this device.
### ```#define FDRS_DEBUG```
This definition enables debug messages to be sent over the serial port. If disabled, the USB serial port is still used to echo data being sent via the sendSerial() command.
### ```#define DEBUG_CONFIG```
This displays a readout of the device's configuration on start-up.
Thanks to [@gulpman](https://github.com/gulpman) for this feature!
### ```#define RXD2 (pin)``` and ```TXD2 (pin)```
These are the pins for inter-device serial communication. The single ESP8266 serial interface is not configurable, and thus these options only apply to ESP32 boards.