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单片机RS232/RS485串行发送实验(双机通讯)。
实验步骤:
(1),准备两台598K实验机,确定1号机为发送,2号机为接收;...
单片机RS232/RS485串行发送实验(双机通讯)。
实验步骤:
(1),准备两台598K实验机,确定1号机为发送,2号机为接收;
(2),当作RS232接口实验时,1号机和2号机的P3.0和P3.1交叉相连,且两机共地;
(3),当作RS485接口实验时,1号机和2号机的A、B作对应连接,同时1,2号机的R/TEN接P1.0, P3.0接R0, P3.1接DI。
(4),先运行2号机,键入[27]-->[EV]使2号机处于接收状态P。,后运行1号机[26]-->[EV]使1号机处于发送状态,P。会闪烁,在1号机键盘上按动数字键,在2号机的数码管上应显示对应的数字键值。-Send Singlechip RS232/RS485 serial experiment (two-plane communications). Experimental steps: (1), prepare two sets of experiments 598K machine, determined on the 1st machine to send, on the 2nd machine to receive (2), as a RS232 interface experiment, on the 1st and the 2nd machine and P3.0 P3.1 cross-linked, and the two planes were to (3), as a RS485 interface experiment, on the 1st and the 2nd machine A, B for the corresponding connection, while 1,2 No. of R/TEN then P1 .0, P3.0 access R0, P3.1 then DI. (4), first run on the 2nd machine, type [27]
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对信号进行多层分解和重构,进行多频率分析的源程序
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fjdkjafkljdljalfld
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- 2022-03-04 21:59:46下载
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A practical LED bar display procedures PHLIPS P89C51RD2 chip, LED display driver...
一个实用的LED条型显示屏程序,采用PHLIPS P89C51RD2芯片,LED显示驱动板为1/16分扫。本程序已经成功应用于多种场合-A practical LED bar display procedures PHLIPS P89C51RD2 chip, LED display driver board for 1/16 sweep. This procedure has been successfully applied to many occasions
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基于KeilC的I2C总线实际应用子程序,已作过多个项目
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智能计数器,对外部信号脉冲进行计数,并将脉冲个数显示出来。
基本要求:计数至少65536个脉冲,并将脉冲个数显示出来。...
智能计数器,对外部信号脉冲进行计数,并将脉冲个数显示出来。
基本要求:计数至少65536个脉冲,并将脉冲个数显示出来。
-intelligent counter, the external signal pulse counting, pulse number will be displayed. Basic requirements : at least 65,536 Count pulse, and pulse number displayed.
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