首页 | 本学科首页   官方微博 | 高级检索  
文章检索
  按 检索   检索词:      
出版年份:   被引次数:   他引次数: 提示:输入*表示无穷大
  收费全文   1篇
  免费   0篇
自动化技术   1篇
  2020年   1篇
排序方式: 共有1条查询结果,搜索用时 3 毫秒
1
1.
This paper designs a precise control drive circuit for LED high power lamp. It takes the STC89C52 single chip microcom- puter chip as the control core, selects the PT4115 as the LED power supply chip, uses the PWM to adjust the brightness mode, and re- alizes the adjustment of brightness. The LED has good characteristic of constant current, little change of light color. The circuit can be controlled by key or infrared light, and provides over-voltage and over-current protection. Through experiments, the circuit has good stability and can be adjusted by software program, which can realize multi-stage and even stepless dimming and achieve accurate dim- ming.  相似文献   
1
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号