// this code is for Teensy 4.1 to read serial data and relay it to serial 1(computer)
#include <Arduino.h>
int incomingbyte = 0;
void setup() {
Serial.begin(9600);
Serial1.begin(9600);
Serial.print("Starting ....");
}
void loop() {
if (Serial1.available() > 0) {
incomingbyte = Serial1.read();
Serial.print(char(incomingbyte));
}
milis(1);
}