Description: 简易的数字电压表的实现，和病房呼叫系统的实现，由出c51实现，其中本设计的病房呼叫系统在实际中得到应用
-Simple implementation of digital voltmeter, and the ward calling system implementation, from a c51 to achieve, in which the design of the wards call system has been applied in practice Platform: |
Size: 565248 |
Author:zhangbin |
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Description: 用8 位AD 芯片（PCF8591）模数转换原理，通过按键选择不同通道AD，并在数码管上显示该通道的模拟电压值 四路数字电压表-With 8-bit AD-chip (PCF8591) analog-digital conversion principle, through selecting different channel buttons AD, and in the digital control displays the Platform: |
Size: 24576 |
Author:527 |
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Search - The digital voltmet