I want to talk about the sensors in the car, and you know, today it's not about the engine, but about the light sensor (or illumination). Many people ask me what it is, how it works and whether it is possible to do it yourself. It should be noted that the thing is really "cool", I would even say useful, as usual, I will tell you in simple words. A light (light) sensor is a small photocell (with a small relay) that automatically turns the car's headlights on or off - usually the front dipped beam...

In recent years, with the rapid development of electronic products and mobile phones, liquid crystal displays have also achieved unprecedented development. As a country with a large population, the demand for smart phones is a huge market, which has also promoted the rapid development of the light guide plate industry. The molding of the light guide plate mainly uses injection molding technology, which is recognized as one of the most efficient methods on the market. The light source of the liquid...