Crash (use with mDesigner)

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The Crash switch (also know as Crash sensor) is a sensor which is able to detect if it is pressed or not pressed. The state of the Crash switch can be detected and can be used to trigger events or conditions in scripts. Support for this sensor is found in mDesigner.

Compatible Pins

The following pins on the Hub or mCenter+'s Hub support this module:

Hub Digital Pins v2-01.png
Pin Name Compatibility Notes
Pin 0 Yes Not recommended, Pin 0 & 1 used by mDesigner (serial communication).
Pin 1 Yes Not recommended, Pin 0 & 1 used by mDesigner (serial communication).
Pin 2 Yes
Pin 3 Yes
Pin 4 Yes
Pin 5 Yes
Pin 6 Yes
Pin 7 Yes
Pin 8 Yes
Pin 9 Yes
Pin 10 Yes
Pin 11 Yes
Pin 12 Yes
Pin 13 Yes
Pin A0 Yes
Pin A1 Yes
Pin A2 Yes
Pin A3 Yes
Pin A6 Yes
Pin A7 Yes
Pin I2C No


Blocks

Digital Read Pin

This block reads the state of the pin. In Arduino, this is known as a digital read (digitalRead). A value of either 0 or 1 will be returned.

  • When Crash switch is NOT PRESSED, 1 is returned.
  • When Crash switch is PRESSED, 0 is returned.
MDesigner Digital Read.png
  • Pin Number - the pin number to read from.

Pin Is

This block reads the state of the pin, then compares it to the configured state.

  • If the state of the pin DOES MATCH the configured state, then this block returns true
  • If the state of the pin DOES NOT MATCH the configured state, then this block returns false
MDesigner Pin Is.png
  • Pin Number - the pin number to read from.
  • State - state to match in order for this block to return true.
  • HIGH tests if the Crash switch is NOT PRESSED.
  • LOW tests if the Crash switch is PRESSED.