PWM

Bresenham's line algorithm for power control

Bresenham algoritm

When creating a microcontroller devices periodically there is a problem of regulation of some of the analog value, such as voltage at the IC pin, LED brightness, power, etc. In order to form an analog signal with a given amplitude at the pin of chip commonly used method of pulse-width modulation - PWM. The basis of the PWM output is on pin IC pulses with varying duty cycle.

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