I am trying to get an NPK sensor I have recently purchased(https://www.robotics.org.za/NPK-71-RS485?search=npk-71-rs485), which was quite expensive to work with the UART port using a RS485 adapter on my firebeetle 2 exansion shield (https://wiki.dfrobot.com/Gravity_Shield_for_FireBeetle_2_SKU_DFR0762#target_7)
The documentation does not state what pins I need to use as the TX and RX, especially when using the USB port.
Can anyone assist in clarifying for me as to what pins are used for the UART input?
Thanks
Regards
Warren
2025-03-18 10:06:54
Are you using Firebeetlt ESP32-S3? Soft serial ports can be set, and all GPIO ports except for 0 and 1 can be mapped.
3. Serial Port
Mapping is required for initializing ESP32 S3 serial port. Available ports: Serial, Serial1, Serial2
Serial1.begin(baud, config, rxPin, txPin); Description: Serial1 initialization Parameters:baud: baud rateconfig: data bit and stop bit settingrxPin: RX pintxPin: TX pinZane
Warren.Eliason 2025-02-17 16:26:50 100 Views1 Replies 
Zane 
