,Timer experiment: the experimental results for the four 8-segment LED display 1234, when the press of a keyboard, the timer interrupt will be generated, four 8 point digital control will appear that corresponds to a certain delay After four 8 digital tube display resumed 1234.
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EASY5509 timer experiment can be seen on-board light-emitting LED L12 flashes flashing.
说明：EASY5509 定时器实验 可看到板上发光LED L12开始闪烁闪烁。
In an uniformly accelerated motion experiment, the moment of a cart passing through the measuring point is recorded by PC's serial interface instead of pointing timer.
在匀变速直线运动的实验中，利用PC机的串行接口来记录运动小车通过测量点的时刻值，以此代替打点计时器计时。
The experiment shows that the timer is characterized with long time delay and high accuracy.
实验表明，该计时器具有延时时间长、计时精度高等特点。
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