#include <Arduino.h>

int powerPin = 5;
byte messageA[] = {0xA6, 0x12, 0x02, 0x10, 0x14, 0xCF};
byte messageB[] = {0xA6, 0x12, 0x02, 0x11, 0x14, 0x0B};
byte messageC[] = {0xA6, 0x12, 0x02, 0x15, 0x14, 0x30};

void setup() {
  // initialize Serial1:
  Serial1.begin(9600);

  pinMode(powerPin, OUTPUT);
  digitalWrite(powerPin, HIGH);

}

void loop() {
  delay(500);
  Serial1.write(messageC, sizeof(messageC));
}