pwm-dimmer

6 лет назад

This video takes apart a 12-24 volt LED dimmer to reveal its internal workings. The creator explains the circuit board components and how they work together to create a Pulse Width Modulation (PWM) signal that controls the brightness of the LED lights. The video also includes a demonstration of the PWM signal on an oscilloscope.

6 месяцев назад

This video compares the PWM dimming frequencies of various popular smartphones, including the iPhone 15 Pro Max, Samsung S24 Ultra, and OnePlus 12. The video aims to help viewers understand how PWM dimming affects eye strain and find devices with the highest frequencies for a smoother visual experience. The video also highlights the differences in PWM dimming frequencies across different brightness levels.