Also the pulse width is measured to check the symmetry of pulse in some of the application like digital signal receiver, repeaters etc. In DC motor speed control and servo motor angle control it is required to measure width of pulse. Duty cycle is also an important parameter to measure because it gives % of pulse width – means ON time of pulse. In communication field frequency measurement is at most essential. Frequency measurement is required in so many different applications. The given article demonstrates how to measure frequency and duty cycle of pulses using arduino. It can be used in measurement field also to measure electrical quantities (like voltage, current, power etc) or physical quantities (like temperature, moisture, light intensity, humidity etc) or electronic component values etc. We may find its application in many different fields and areas.
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