PWM 是一种常见的屏幕调光技术，通过快速开关 LED 或 OLED 像素来控制亮度。虽然这种方式能有效降低能耗，但部分用户在低亮度时会察觉到屏幕闪烁，长期使用可能引发眼睛疲劳、头痛等不适。

Among all the Arduino boards, the Uno is most folks' go-to choice, and for good reason. It's the perfect platform to get started with Arduino, it's capable enough to handle a wide range of tasks, and ...

What is duty cycle? Duty cycle is defined by the percentage of high voltage duration in a complete digital pulse. If the duty cycle is 50%, then it will remain on for exact half the duration of the ...

该媒体实测指出，三星、OnePlus、荣耀等厂商已将 PWM 频率提高到数千 Hz，甚至取消 PWM 调光。但 Pixel 10 Pro 仅将“护眼模式”频率从 240Hz 提升至 ...

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While all of my own devices and monitors don't have PWM dimming for their backlighting, there are some monitors at work which do appear to use PWM. Now many of these monitors are years old, and I ...