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Write professional code for measuring the RPM of a 3-wire fan

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Write professional code for measuring the RPM of a 3-wire fan

$1.99
0 ratings

Learn to write code in a professional way to

Measures and displays the RPM of a 3-wire fan in real-time.


Key Features:


Interrupt-driven pulse counting

Debounce logic to prevent false readings

Regular RPM calculation intervals (every 500ms)

Serial output of RPM measurements

Main Components:


Setup function: Initializes serial communication and attaches interrupt

Loop function: Manages timing and triggers RPM calculations

Interrupt Service Routine (ISR): Counts pulses with debounce

Technical Details:


Uses volatile variables for interrupt safety


Output:


Displays RPM with 2 decimal places via serial monitor

Applications:


PC cooling system monitoring

HVAC system fan speed measurement

General-purpose fan speed monitoring projects

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Last updated Sep 29, 2024

Measuring the RPM (Revolutions Per Minute) of a 3-wire fan using an Arduino. The code utilizes the tachometer output from the fan to count pulses and calculate the RPM, which is a common feature of 3-wire computer fans.

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