US-100_UART_Mode.ino

/*
 * Codeing By IOXhop : www.ioxhop.com
 */
 
#include <SoftwareSerial.h>;
 
#define US100_TX_PIN 2
#define US100_RX_PIN 3

SoftwareSerial mySerial(US100_RX_PIN, US100_TX_PIN); // Rx, Tx

void setup() {
  Serial.begin(9600);
  mySerial.begin(9600);
  Serial.println("Distance\tTemperature");
}
 
void loop() {
  mySerial_flush();
  mySerial.write(0x55);
  delay(100);
  if(mySerial.available() < 2) {
    Serial.println("Error read for US-100");
    delay(500);
    return;
  }
  unsigned int distance = mySerial.read() * 256 + mySerial.read();
  
  Serial.print(distance);
  Serial.print(" mm.\t");

  
  mySerial_flush();
  mySerial.write(0x50);
  delay(100);
  if(mySerial.available() < 1) {
    delay(500);
    return;
  }
  int temp = mySerial.read() - 45;

  Serial.print(temp);
  Serial.print(" *C.");
  Serial.println();
  
  delay(500);
}

void mySerial_flush() {
  while(mySerial.available())
    mySerial.read();
}