With a simple window comparator and LEDs the distance between the detector and the object in a wall can be displayed approximately.
用窗口比较器和LED可大致显示墙体中被测物体与探测器之间的距离。
With a simple window comparator and LEDs the distance between the detector and the object in a wall can be displayed approximately.
用窗口比较器和LED可大致显示墙体中被测物体与探测器之间的距离。
应用推荐