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芯片PCF8951共有四个A/D输入通道：AD0，AD1，AD2，AD3,分别与四个电位器(R1,R2,R3,R4)连接，用以调节电位器的输出电压。其中AD0通道既可测量电位器输出电压，也可用于测量从J1插座输入的外接电压，须用开关J2加以选择。J4插座提供由PCF8591输出的时钟方波信号。SAA1064驱动四个数码管显示一路AD转换后得到的数据。-PCF8951 chip, there are four A/D input channels: AD0, AD1, AD2, AD3, respectively, with four potentiometers (R1, R2, R3, R4) connected to regulate the output voltage potential. AD0 channel which can be measured potentiometer output voltage can also be used to measure the input from the J1 socket external voltage, to be used to select switch J2. J4 socket output from the PCF8591 clock square wave signal. SAA1064 drivers of four digital display along after AD conversion data.

这个UV3是正式版. 不像网上传的那样,在98下运行就出错. 这个版本是:3.03 是从DKARMV12A中拷出来的. 我一直都在用,好用着.-Lithography is the official version. Unlike Internet-in the case of 98 mistakes on the run. This version is : 3.03 from DKARMV12A which beat out. I have been in use and ease of use with.

适用于51单片机的万年历算法.rar-applied to the MCU 51 calendar algorithm. Rar

热敏打印机AT指令，相对比较全，是开发人员参考的宝贵资料。-Thermal printer AT commands are relatively wide, a developer reference to valuable information.

用单片机的I/O口象检测按键那样对其进行查询计数，在旋转速度较慢时，可以对其计数-With MCU I/O port as the detection of keys as its query count, slow rotating, you can count on their

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压力传感器PDF文档，开发按摩系统必备资料-Pressure sensors PDF document, essential information on the development of massage system

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