![]() ![]() The values 0-4 correspond to the IR sensor numbers.Ģ. ![]() Take a Constant block from Library: Simulink > Sources and update the following settings: Constant Value -> any value from 0-4, Sample Time -> 0.002, Output data type -> uint8. Use a Constant block to decide which IR sensor to read. The following steps will show you how to create a masked subsystem in Simulink to read an IR sensor.ġ. The selected IR sensor, present on the MUX output, is connected to the analog pin A2 of the microcontroller. Notice the following connections for the IR sensors: For more information on the Arduino Robot Motor Board, refer to the Arduino Robot website. The logic described is implemented in the IR sensors subsystem. In this section, you will learn how to decode IR Sensor values into a Simulink signal of dimensions 5 corresponding to the number of IR sensors present on the Arduino Robot Motor Board. Task 1 - Create Simulink Subsystem to Read IR Sensors on Arduino Robot Motor Board You will learn how to provide pulse width modulated (PWM) signals to control the motors connected to the Arduino Robot Motor Board and spin the wheels to move the Arduino Robot. You will learn to read the values from the IR sensors using blocks from the Simulink library and the standard Arduino library.Ģ. On examining the Arduino Robot you will notice that the IR sensors present on the Arduino Robot Motor Board can be used to obtain the current deviation of the Arduino Robot from the center of the black line. Based on the Error signal you will drive the motors on the Arduino Robot Motor Board to take corrective action and bring the Arduino Robot back to the center of the black line.ġ. In this application you need to get the current deviation of the Arduino Robot from the center of the black line to get the Error signal. ![]() To run this example you will need the following hardware: ![]() If you are new to Simulink, we recommend completing the Interactive Simulink Tutorial, Get Started with Simulink, and Simulink Getting Started video. You will learn how to establish serial communication between the Arduino Robot Control Board and the Arduino Robot Motor Board. This example illustrates how to access the peripherals (Keypad, Buzzer) of the Arduino Robot Control Board using blocks from Simulink library and the standard Arduino library. You will learn how to access the peripherals of the Arduino Robot Motor Board using blocks from the Simulink library and the standard Arduino library from the Simulink Support Package for Arduino Hardware. This example shows how to create a Simulink model to run a line follower algorithm on the Arduino Robot Motor board by accessing the IR sensors and motors. For more details, refer to the Arduino Robot website. The Arduino Robot Motor Board has peripherals such as Analog Input Pins, Digital Input/ Output Pins, PWM, Motor Driver, Motors, Wheels, Trimming Potentiometer (TRIM), IR sensors, etc. The Arduino Robot Control Board has peripherals such as Analog Input Pins, Digital Input/ Output Pins, PWM, Keypad, Potentiometer (POT), Compass, Buzzer, etc. This Robot has two Leonardo (ATmega32u4) based boards: Arduino Robot Motor Board and Arduino Robot Control Board. Simulink Support Package for Arduino Hardware enables you to create and run Simulink models on Arduino Robot. ![]()
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