#ARDUINO TEMPERATURE SENSOR CODE#

Simulating the model in Connected I/O enables you to validate the model design before generating the code and deploying the model on Arduino.Ģ. Tip: Before you simulate the model in External mode, you can simulate the model in Normal mode with Connected I/O as described in Step 4 - Run the Model in Normal Mode with Connected I/O. Step 7 - Run Simulink Model in External Mode (Monitor and Tune) The division right justifies the 13-bit temperature value. The Gain block performs a division by 8 that corresponds to a right shift of 3 bits. The execution loop reads the 13-bit temperature. The One_time_initialization subsystem configures the TMP102 sensor to the 13-bit Extended mode. Open the Initialize and Read temperature from I2C sensor using Arduino Hardware model.Ģ.

#ARDUINO TEMPERATURE SENSOR HOW TO#

This section shows how to initialize the TMP102 sensor to the 13-bit Extended mode.ġ. Step 6 - Configure Simulink Model to Initialize Temperature Sensor to 13-bit Extended Mode Click the Stop button in the Simulink model to end the External mode execution. See the onboard LED glow when the temperature exceeds the new threshold value.ĥ. Change the threshold value in the Switch block according to your ambient temperature and click Apply. Observe the Arduino onboard LED glow when the Display block in the model shows a temperature above 27 degree Celsius.Ĥ.

Notice that the Display block in the model shows the TMP102 sensor temperature reading in degree Celsius.ģ. On the Hardware tab of the Simulink model, in the Mode section, select Run on board and then click Monitor & Tune.Ģ. In this section, you will run the model in External mode to monitor the temperature.ġ. Step 5 - Run Simulink Model in External Mode (Monitor and Tune) On the Simulink model toolbar, click Stop to stop the simulation. When the temperature reading exceeds a threshold value of 27 degree celsius, the LED on Arduino starts glowing.Ģ. On the Hardware tab of the Simulink model, in the Mode section, select Connected IO and then click Run with IO.ĭuring simulation, the Display block displays the temperature reading from the TMP102 sensor in degree celsius. To simulate the model in Normal mode with Connected I/O:ġ. For more information on Connected I/O, see Communicate with Hardware Using Connected IO. This communication between the model and the Arduino hardware does not require any code generation or model deployment, thus accelerating the simulation process. In this example, when you simulate the model in Connected I/O, the model reads temperature from the TMP102 sensor that is interfaced with Arduino. You can simulate the model in Normal mode with Connected I/O to validate the model design before generating the code and deploying the model on Arduino. Step 4 - Run Simulink Model in Normal Mode with Connected I/O Apply a temperature change to the sensor to observe this behavior. This glows the Arduino onboard LED at pin 13 when the TMP102 sensor reading exceeds the specified temperature threshold.

Use a thermocouple with a digital interfacing chip.The two Constant blocks with values of 1 and 0 are used with a Switch block to compare the temperature reading against a threshold of 27 degree Celsius.

Use a digital interface such as 1-wire to read multiple sensors,.

Use the ADC to read the voltage output of an analogue sensor,.

Measuring temperature is quite easy on an Arduino, you will either: To measure and the accuracy you need (and the cost requirement). thermocouple.Ĭhoosing a sensor depends on the range you want

Some use the Seebeck effect for extreme temperature e.g.

thermistor - (not so easy to use, but low cost).

Some are integrated with built in digital logic e.g.

There are many types of temperature sensors: Sensor: How to use Temperature Sensing chipsįor Easy Temperature Measurement from standard room temperature to

Arduino temperature sensor