Led traffic lights can be seen on most devices and circuits. What are the key parameters that need to be paid attention to when choosing the most basic LED traffic lights? Parameter 1: Wavelength Peak wavelength & dominant wavelength. The light that the human eye can see is not exactly the same

Wrong nailed structureThe solar road studs with nail feet are divided into two parts, the lower part is the nail base part

The use environment of solar stud lights is complex and changeable, and the temperature and humidity may be very different. The temperature in the north is very low in winter, the temperature in the south is very high in summer, and the temperature difference between day and night is particularly la