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This is achieved by the C51 single
这是由C51单片机实现的接触式IC卡的读写-This is achieved by the C51 single-chip contactless IC card read-write
- 2022-05-05 12:35:23下载
- 积分:1
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the conmunication of MCU by USB2.0
单片机usb2.0通讯-the conmunication of MCU by USB2.0
- 2022-03-24 06:01:01下载
- 积分:1
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t6963c LCD driver 240,128, only some of the functional module, for reference onl...
t6963c液晶驱动240128,只有部分功能模块,仅供参考-t6963c LCD driver 240,128, only some of the functional module, for reference only
- 2022-01-26 01:02:15下载
- 积分:1
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- 2022-03-11 22:20:52下载
- 积分:1
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err
单片机汉字和ASCII字符程序,程序中的汉字和英文全部存在字库中。单片机用的是常用的8051,仿真软件用的是proteus。由于proteus中的flash最大是64k,没有29c040等,而汉字和ASCII加起来有二百多k,所以用了5片27c512,如此一来程序就复杂了。用hc38译码器做片选等功能,hc00做逻辑电路,锁存器是hc373,液晶屏是12864的,ks0108驱动芯片,都是比较常用的。技术上用的是总线方法,包换液晶屏,没有用间接驱动,因为那样浪费IO口,液晶屏因为有左右屏之分,所以还要考虑在只有一个ASCII字符和情况下如果要显示中文该如何处理。还用到了分页技术,因为flash太多了。proteus的优点是不用硬件就可以调试程序,但有时与在硬件板上有区别。但还是相当不错的,如果做硬件板的话,或许要花几百元。看下图的仿真,proteus版本是7.1,keil的版本是8.02.如果学生拿来做毕业设计的话,那是相当不错的,因为这个技术曾经用在产品上。
-err
- 2022-08-17 02:21:48下载
- 积分:1
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l298调 速 程 序 常规的接法是这样的,EnableA接PWM信号,Input1输入正反控制信号, Input2是Input1经过反相以后的信号。L298的...
l298调 速 程 序 常规的接法是这样的,EnableA接PWM信号,Input1输入正反控制信号, Input2是Input1经过反相以后的信号。L298的电平是与TTL电路相兼容的,一般是超过2.5V就为高电平。假如Input1为高电平时电机正转,那么低电平时就是反转,PWM信号控制电机的转速。
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-l298 procedures conventional speed connection that is the case, EnableA then PWM signal, Input1 input positive and negative control signals, Input2 is Input1 through after RP signal. L298 level is compatible with TTL circuits, and is generally more than 2.5V for the high. If Input1 is high when the motor is transferred, then that is when low-level inversion, PWM signal to control motor speed. _________________
- 2022-06-18 18:51:26下载
- 积分:1
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this the AVR lib who used to design the project for AVR chips
this the AVR lib who used to design the project for AVR chips
- 2022-01-26 02:37:26下载
- 积分:1
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Very useful function 12864LCD drive the development of KEilC51
非常有用的12864LCD功能驱动KEilC51的开发
- 2022-09-30 04:10:03下载
- 积分:1
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RS485 MODBUS C51程序(EE21学习板演示程序)
RS485 MODBUS C51程序(EE21学习板演示程序)
-RS485 MODBUS C51 program (EE21 learning demo board)
- 2022-06-03 17:55:13下载
- 积分:1
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VC to provide the use of MSCOMM control and realize the single
利用VC提供所的MSCOMM控件实现了单片机和微机之间的串行通信,经调试已经成功-VC to provide the use of MSCOMM control and realize the single-chip serial communication between microprocessor by commissioning has been successfully
- 2022-07-20 09:03:50下载
- 积分:1