The PWM wave is a periodic digital pulse. PWM wave has a wide range of applications in motor control, temperature control, and other fields. The key parameter of the PWM wave is the duty cycle. The duty cycle of PWM wave is adjustable. What methods can be used to measure the PWM duty cycle?
NI's DAQ board provides a wealth of resources to measure the duty cycle of PWM Wave, such as analog acquisition, digital IO, and counters. The R series FPGA boards and cRIO can also be used. We can change the duty cycle according to the following four methods：(a) Using a counter to measure the duty cycle
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