Description: Using ADC0809 to collect the voltage value of potentiometer, the collected voltage value is displayed on seven digital tubes through 8255. The display data is kept at two decimal points and updated with 8253 timing data every 0.5 seconds. Expansion requirements: With the function of setting alarm threshold, when exceeding the threshold, light an LED lamp.
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| Filename | Size | Date |
|---|
| 微机原理综合设计实验-数字电压表A.rar.doc | 3191059 | 2018-12-14 |
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