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在庭院装修的时候,常会使用一些外部美观的照明灯,提供户外照明。为此,宇凡微推出了LED太阳能感应庭院灯方案,庭院灯控制芯片采用宇凡微YF单片机。
一、LED太阳能感应庭院灯方案的原理
太阳能感应庭院灯根据不同的设计需求,它的应用场景有很多,比如:风景区、公园、院子、公路等,具有照明和美观效果。此外,使用太阳能充电和红外感应方案,可以免去布线以及达到节电的效果。
二、LED太阳能感应庭院灯方案介绍
宇凡微提供的LED太阳能感应庭院灯开发案例,有一个开关,三个档位,高亮、正常、弱光等三种亮度。庭院灯带有光敏电阻,可以识别白天黑夜。
(1)一档:红外感应模式,当人走近时亮灯(高亮),人走后30秒自动熄灭。
(2)二档:红外感应模式+弱光模式,当人走近时亮灯(高亮),人走后进入弱光模式。
(3)三档:常亮模式,天黑后以正常亮度点亮,白天熄灭。
三、LED太阳能感应庭院灯方案框图
四、LED太阳能感应庭院灯方案PCBA案例
五、LED太阳能感应庭院灯方案控制芯片
宇凡微提供太阳能感应庭院灯控制芯片,推荐使用宇凡微YF单片机,主要参数如下:
(1)内核:RISC;
(2)ROM:2K;
(3)RAM:128 Bytes;
(4)EEPROM:256 Bytes;
(5)芯片自带ADC;
(6)共4路PWM;
(7)封装:SOT23-6、MSOP10、SOP8、DFN8、DIP8、SOP14、QFN16、SOP16、DIP16。
以上就是宇凡微单片机开发工程师分享的LED太阳能感应庭院灯方案和庭院灯控制芯片。宇凡微专注单片机应用方案设计与开发,提供8位单片机、32位单片机。