Output voltage and current are indicated simultaneously on 7-segment red LED displays, and a switch operation can be used to display the voltage and current of any of the outputs.
输出电压和电流的表示，同时对7段红色LED显示屏，和一个开关操作，可以用来显示电压和电流的任何产出。
In fact, it is possible to implement the entire design (except the 7-segment displays, of course!) on just a couple simple PLD's.
事实上，在简单的仅仅2个PLD上实现整个设计(自然除了7段显示器之外)也是可能的。
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