电视以旧换新，国补很给力，但是旧电视折旧一般也就50块，是不是觉得少？这个时候，你可能需要求助于你的八级工朋友，也许他真帮得上你。

国外博主DIY Perks提供了一份“教程”，用11岁的平板液晶电视和14岁的DLP投影仪这两台“古老”和“更古老”的设备，“手搓”出了对比度接近OLED的 ...

Can an LCD screen achieve decent black levels? [DIY Perks] is here with a modified screen that does just that. LCD screens work by placing a set of electronic polarizing filters in front of a ...

Whether remodeling or updating a large or small bathroom, the process can be overwhelming with loads of questions as you try ...