085自动往返电动小汽车的设计方案-无忧助学网 关键词：AT89C51、反射式红外传感器、PWM技术动态制动 [gap=511]Key Word: AT89C51, Reflecting Ir sensor, PWM dynamic brake
基于24个网页-相关网页
... Near infrared Reflection 近红外 Reflection infrared sensor 反射式红外传感器 reflection type infrared polarizer 反射式红外偏振镜 ...
基于8个网页-相关网页
反射式近红外传感器 reflective near infrared sensor
研究了基于集成心跳探测芯片的心跳测试仪，介绍了其组成部分，即反射式红外传感器，单片机和LED显示器。
Studies heart rate testers based on integration heartbeat detection chip and introduces other components of the testers such as reflective infrared sensor, single-chip and LED display.
利用反射式近红外传感器及语音录放组件，研究了汽车倒车防撞语音提示器。
Using reflective near infrared sensor and voice record-reproducing assembly, the present article studies the voice anticollision-prompting device for backing an automobile.
应用推荐