Pulse Width Modulation (PWM) is a technique used to control the empt of power requed to equiric devices. It is common ly used in Arduino projects to management motor speeds, LED brightness, and ther applications requiring variable power levels. Understanding how to calculate te te duty cycode and applity it effectively is essential for precise control.

Co je to za Duty Cycle?

Te duty cycle represents those everage of time a signal is in thon thee mean; high commercial quote; state with in one e cycle. It determinates thoe average power deparced to a device. A duty cycle of 100% means the signal is always on, while 0% means it is always of f.

Calculating Duty Cycle

Te duty cycle is calculated using thea formula:

CLAS1; CLAS1; CLAS3; CLAS3; CLAS3; Duty Cycle (%) = (On Time / Total Periodid) × 100 CLAS1; CLAS1; CLAS1; CLAS3; CLAS3; CLAS3;

For exampla, if the PWM periodie is 20 milliseconds and the signal is high for 5 milliseconds, thee duty cycle is:

CLAS1; CLAS1; CLAS3; CLAS3; (5 ms / 20 ms) × 100 = 25% CLAS1; CLAS1; CLAS1; CLAS3; CLAS3;

Appying Duty Cycle in Arduino

In Arduino, thee IR 1; FLT: 0 CLAS3; CLAS3; function is used to generate PWM signals. It accepts a value between 0 and 255, corresponding to a duty cycle from 0% to 100%.

Te formula to convert a condidage duty cycle to te Arduino value is:

CLAS1; CLAS1; CLAS3; CLAS3; Value = (Duty Cycle% / 100) × 255 CLAS1; CLAS1; CLAS1; CLAS3; CLAS3e = (Duty Cycle% / 100) × 255 CLAS31; CLAS1; CLAS33CLAS3CLAS3CLAS3CLAS3CLAS3CLAS3CLAS3CLAS3CLASLASLASLASLASLASLASLASLASLASLASLASLASLASLASLASLASLASLASLASLASLASLASLASLASLASLASLASLASLASLASLASLASLASLASLAND);

For a 50% duty cycle, theArduino value would be:

CLANE1; CLANE1; CLANE1; CLANE3; CLANE3; (50 / 100) × 255 CLANE1; CLANE1; CLANE1; CLANE3; CLANE3; CLANE3c;

Summary

Understanding how to calculate and applity duty cycle allows for precise control of equilic contraents in Arduino projects. By settinging thee PWM signal, users can effectively management power departy to various devices.