model therm_buzzer "Sound buzzer depending on thermistor readings" extends Modelica.Icons.Example; import sComm = Arduino.SerialCommunication.Functions; import strm = Modelica.Utilities.Streams; Integer ok(fixed = false); Integer val(fixed = false); Integer digital_out(fixed = false); Integer c_ok(fixed = false); algorithm when initial() then ok := sComm.open_serial(1, 2, 115200) "At port 2 with baudrate of 115200"; sComm.delay(2000); end when; if ok <> 0 then strm.print("Unable to open serial port, please check"); else val := sComm.cmd_analog_in(1, 4) "read analog pin 4"; strm.print("Thermistor Readings: " + String(val)); if val > 550 then digital_out := sComm.cmd_digital_out(1, 3, 1) "Turn ON Buzzer"; else digital_out := sComm.cmd_digital_out(1, 3, 0) "Turn OFF Buzzer"; end if; sComm.delay(500); end if; digital_out := sComm.cmd_digital_out(1, 3, 0) "Turn OFF Buzzer"; //for i in 1:500 loop //end for; //Run for 500 iterations //Setting Threshold value of 500 when terminal() then c_ok := sComm.close_serial(1) "To close the connection safely"; end when; annotation( experiment(StartTime = 0, StopTime = 10, Tolerance = 1e-6, Interval = 0.1)); end therm_buzzer;