void bt_tick() {
if (bluet.available()) {
String rs = bluet.readString();
Serial.println(rs);
int x;
int index = 0;
String rxed[2];
int i;
for (i=0;i<2;i++) {
index = rs.indexOf(' ');
rxed[i] = rs.substring(0, index);
rs = rs.substring(index+1);
}
Serial.print("[");
Serial.print(rxed[0]);
Serial.print("]");
Serial.println(rxed[1]);
}
}