Timer Clock (f_timer) * Hertz (Hz)

Prescaler * Divider

Custom Prescaler Divider

Timer Top (ARR) * Counts

1kHz, 8-bit (Arduino) 244Hz, 10-bit (Arduino) 1kHz (ESP32)

— Hz

PWM frequency

Frequency

PWM Output Time

PWM Frequency * Hertz (Hz)

Duty Cycle * Percent (%)

1kHz, 50% 5kHz, 75% 10kHz, 25%

— s

High time and low time

Duty Cycle

PWM Output Time

Timer Clock (f_timer) * Hertz (Hz)

Prescaler * Divider

Custom Prescaler Divider

Desired Frequency * Hertz (Hz)

1kHz (Arduino) 5kHz (Arduino) 1kHz (ESP32)

—

Timer settings

Timer Settings

ARR = f_timer / (prescaler × f_pwm) - 1 Resolution = log2(ARR + 1) bits