How do you declare a pulseIn?

How do you declare a pulseIn?

pulseIn()

  1. Description. Reads a pulse (either HIGH or LOW) on a pin.
  2. Syntax. pulseIn(pin, value)
  3. Parameters. pin: the number of the pin on which you want to read the pulse. (
  4. Returns. the length of the pulse (in microseconds) or 0 if no pulse is completed before the timeout (unsigned long)
  5. Example. int pin = 7;

What does the pulseIn command do?

pulseIn can measure pulses from 2-3us to 3minutes. It provides a simple way to measure signal periods on any pin. Note: PulseIn measures the high or low time period while a signal continuously repeats. The function also has a timeout – if this expires then the function returns zero (The default timeout is 1 second).

What does pulseIn mean in Arduino?

Description. Reads a pulse (either HIGH or LOW ) on a pin. For example, if value is HIGH , pulseIn() waits for the pin to go from LOW to HIGH , starts timing, then waits for the pin to go LOW and stops timing.

How does a pulsein work on an Arduino?

pulseIn() Description. Reads a pulse (either HIGH or LOW) on a pin. For example, if value is HIGH, pulseIn() waits for the pin to go HIGH, starts timing, then waits for the pin to go LOW and stops timing. Returns the length of the pulse in microseconds or 0 if no complete pulse was received within the timeout.

What kind of data can I read from Arduino pulse?

pin: the number of the Arduino pin on which you want to read the pulse. Allowed data types: int. value: type of pulse to read: either HIGH or LOW. Allowed data types: int. timeout (optional): the number of microseconds to wait for the pulse to start; default is one second. Allowed data types: unsigned long.

What is the timeout for Pulse in Arduino?

timeout (optional): the number of microseconds to wait for the pulse to be completed: the function returns 0 if no complete pulse was received within the timeout. Default is one second ( unsigned long ).

What does pulsein do when the PIN value is high?

Reads a pulse (either HIGH or LOW) on a pin. For example, if value is HIGH, pulseIn() waits for the pin to go from LOW to HIGH, starts timing, then waits for the pin to go LOW and stops timing.