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Arduino pulseIn() Function Guide
roboticsbackend.com/arduino-pulsein-function/Yapay zekadan makale özeti
- Understanding Pulses
- Digital signals can only be in HIGH (near power supply) or LOW states
- A pulse is a short change in signal duration
- Pulses can be in HIGH or LOW mode
- pulseIn() Function Operation
- Function returns pulse duration in microseconds
- Requires pin and pulse mode as arguments
- Blocks program execution during pulse measurement
- Returns 0 if pulse doesn't start within timeout
- Implementation Example
- Uses push button with 10kOhm pull-down resistor
- Button press creates HIGH pulse
- Default timeout is 1 second
- Custom timeout can be set using third argument
- Best Practices
- Use only when pulseIn() is necessary
- Avoid excessive timeout values
- Alternative: use interrupts for non-blocking pulse measurement