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Standard Servo Read

Get position of standard servo motor shaft in degrees

Library

Simulink Support Package for Arduino® Hardware/Common

Description

Measure the angle of a standard servo motor shaft in degrees, from 0 to 180.

The data type of the block output is uint8.

During simulations without the hardware, this block emits zeroes.

Some limitations:

  • If you use this block in models with the Serial Receive and Serial Transmit blocks, use longer sample times to avoid overruns.

  • The maximum number of Servo blocks per model is 12 for most Arduino boards except for Arduino Mega 2560, Arduino Mega ADK hardware where the maximum is 48.

  • With Arduino Uno, Nano hardware, the Arduino PWM block cannot use digital pins 9 or 10 when the model contains Servo blocks.

  • With Arduino Mega 2560, Mega ADK hardware, the Arduino PWM block cannot use digital pins 11 or 12 when the model contains more than 12 Servo blocks.

  • With Arduino Due hardware, the Arduino PWM block cannot use digital pins 9 or 10 when the model contains Servo blocks.

Parameters

Pin number

Enter the number of the digital pin.

Do not assign the same pin number for different types of blocks as this may cause resource management conflicts.

Click View pin map to open the Arduino Pin Mapping table .

To know how to assign pins or to know about the fixed pins for the blocks, see the Arduino Pin Mapping for Timer Dependent Blocks.

Sample time

Specify how often this block reads a servo motor angle, in seconds. Enter a value greater than zero. This value defaults to a sample time of 0.1 second. The minimum value is 0.000001 second.

Smaller values require the processor to complete the same number of instructions in less time, which can cause task overruns.