摘要
论文以LED发光二极管阵列用作照明光源,结合单片机、光敏传感器以及AD模数转换芯片,应用PWM脉宽调制,实现LED光控灯的手动和自动调光。手动模式10档按键调光,LED阵列由全暗到全亮,受控档位逐渐变化,满足人们对光线强度的不同需求。自动模式则根据外部光线的亮暗,由光敏传感器接收后,进行数字化处理,自动调整LED阵列的亮度,从而保证照明亮度满足要求。该系统既节能环保又安全护眼,可以应用于家庭、办公大楼、厂房等需要照明的地方。
This paper designed a light source with light emitting diode array.The led lamps that made up single-chip,lightsensors and AD analog-digital conversion chips,and it applied for PWM,which achieved a brightness change with the manual andautomatic.The manual mode had10files changes that contained a full dark to full brightness.To meet the people??s needs of differentlight intensity.The automatic mode according to light sensors received the light from outside,and digitized,thereby automaticallyadjusted the brightness of the LED array.The illumination brightness meted the requirements of people??s needs.The system was bothenergy saving and safe for eyes,that could be used in homes,office buildings,factories and other places which need lighting.
作者
卢燕
LU Yan(Suzhou Vocational and Technical School,Suzhou 215006)
出处
《计算机与数字工程》
2017年第6期1238-1241,共4页
Computer & Digital Engineering
