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Show the simulated keyboard instrumentation systems, using AT89S52 chip as a sys...
仪器仪表键盘显示模拟系统，用AT89S52芯片作为系统的CPU，控制系统的按键及显示器部分。用8路同相三态双向总线收发器74LS245芯片驱动LED。4X4矩阵键盘作为系统人机交互的重要部分，用于向单片机应用系统输入数据或控制信息，设计4X4矩阵键盘分别对应键码“0-F”。系统可以实现的基本功能包括开机LCD液晶屏幕显示“大专05电子信息X班XXX毕业设计”信息；按下任意一个按键，LCD液晶屏幕显示相应按键的信息。在基本功能的基础上还增加了一个扩展功能，即增加一个LED数码管同步显示相应键码-Show the simulated keyboard instrumentation systems, using AT89S52 chip as a system CPU, system control buttons and display parts. With 8-phase three-state bidirectional bus transceiver 74LS245 chip-driven LED. 4X4 matrix keyboard system as an important part of human-computer interaction, single-chip microcomputer application system used to input data or control information, the design of 4X4 matrix keyboard key code corresponding to
- 2022-03-24 02:45:51下载
- 积分：1
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16C554 x25045应用程序 支持4个串口同时收发
16C554 x25045应用程序 支持4个串口同时收发-16C554 X25045 DRIVER
- 2022-03-23 04:41:33下载
- 积分：1
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飞思卡尔车身控制技术研讨会资料范例 基于LIN的收发通信
飞思卡尔车身控制技术研讨会资料范例 基于LIN的收发通信-Freescale Seminars Body Control data sample based on the LIN transceiver, communications
- 2022-01-21 06:16:13下载
- 积分：1
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内含红外遥控 液晶显示1621 IO口测温
内含红外遥控 液晶显示1621 IO口测温-Infrared Remote Control LCD containing 1621 IO port temperature
- 2022-02-01 20:31:21下载
- 积分：1
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mp3学习资料 对初学者很有帮助 内有原码和原理图
mp3学习资料 对初学者很有帮助 内有原码和原理图-mp3 learning materials useful for beginners, there are the original code and schematic diagram
- 2022-03-04 05:05:42下载
- 积分：1
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arm嵌入式系统lpc22**看门狗溢出产生中断源代码
arm嵌入式系统lpc22**看门狗溢出产生中断源代码-arm embedded system lpc22** watchdog overflow interrupt generated source code
- 2022-12-07 06:40:03下载
- 积分：1
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CC2420 提供了发送确认帧的固件，使能AUTOACK 将使得硬件可以自动生成确认帧。...
CC2420 提供了发送确认帧的固件，使能AUTOACK 将使得硬件可以自动生成确认帧。-CC2420 provides a frame to send to confirm the firmware so that it can AUTOACK will allow the hardware can automatically generate confirmation frame.
- 2022-07-18 04:36:17下载
- 积分：1
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歌舞厅灯光设计，及大屏设计，可以滚动显示
歌舞厅灯光设计，及大屏设计，可以滚动显示-Song and dance hall lighting design, and big-screen design, you can scroll display
- 2022-03-02 15:31:13下载
- 积分：1
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用单片机对A
用单片机对A-Z和0-9等字符进行编码，并传输给另一单片机译码-With the microcontroller on the characters such as AZ and 0-9 encode and decode transmitted to another MCU
- 2022-03-21 12:26:35下载
- 积分：1
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st7529是32灰色
ST7529为一32级灰度液晶显示屏驱动芯片，功能强大，耗电小．本程序为STC89LE58RC驱动ST7529整个工程包，程序的编绎环境为KEIL，本人保证程序绝对完整．-ST7529 is a 32 gray-scale LCD driver chip, powerful, small power consumption. This procedure for STC89LE58RC drive the whole project package ST7529, procedures for the provision Sounds of environmental KEIL, my absolute integrity assurance procedures.
- 2022-07-08 11:43:41下载
- 积分：1
