How to set up mmwave with xiao esp32s3? - Unable to output Serial

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Below is Demo 1 export data - please let me know which part to add or edit to make it work with esp32S3 + expansion board + fall detector 60g pro mmwave. Thank you

#include "Arduino.h"
#include <60ghzfalldetection.h>

//#include <SoftwareSerial.h>
// Choose any two pins that can be used with SoftwareSerial to RX & TX
//#define RX_Pin A2
//#define TX_Pin A3

//SoftwareSerial mySerial = SoftwareSerial(RX_Pin, TX_Pin);

// we'll be using software serial
//FallDetection_60GHz radar = FallDetection_60GHz(&mySerial);

// can also try hardware serial with
FallDetection_60GHz radar = FallDetection_60GHz(&Serial1);

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial1.begin(115200);

  //  mySerial.begin(115200);

  while(!Serial);   //When the serial port is opened, the program starts to execute.

  Serial.println("Readly");
}

void loop()
{
  // put your main code here, to run repeatedly:
  radar.recvRadarBytes();           //Receive radar data and start processing
  radar.showData();                 //Serial port prints a set of received data frames
  delay(200);                       //Add time delay to avoid program jam
}