In order to solve this problem, this paper introduces a reading lamp which can change the lighteness automatically.It has a photodetector which will be put near the book to help adjusting the brightness data.
In order to solve this problem, this paper introduces a reading lamp which can change the lighteness automatically.It has a photodetector which will be put near the book to help adjusting the brightness data.
即可减少手动调光的麻烦，又可以保护视力，同时，它具有稳光功能，当电源电压波动时，台灯亮度保持不变。