Transcript C# with Arduino interfacing to read temperature

C# with Arduino interfacing to
read temperature
Equipment:
1: LM35 sensor
2: Arduino
3: C sharp program
C# CODE
• private void btnShowTemperature_Click(object sender, EventArgs e)
• { try
•
{ if (serialPort1.IsOpen)
•
{ //get Temperature from serial port sent by Arduino
•
int temperature = (int)(Math.Round(Convert.ToDecimal(
•
serialPort1.ReadLine()), 0));
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txtTemperature.Text = temperature.ToString();
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//draw temperature in the thermometer
•
DrawTemperatureLevel(temperature); }
•
}
•
catch (Exception ex)
•
{
•
•
• }
MessageBox.Show(ex.Message);
}
A
•
#define sensorPin 0 //A0 Pin
•
int sensorValue = 0;
•
float celsius = 0;
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void setup() {
•
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Serial.begin(9600); //start Serial Port }
void loop() {
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getTemperature();
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//send celsious value to Port and read from C#
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Serial.println(celsius);
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delay(1000);
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}
•
void getTemperature(){
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//get sensorPin voltage
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sensorValue = analogRead(sensorPin);
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//convert voltage to celsius degree
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celsius = (sensorValue * 0.0049) *100;
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}