IBM经典小黑T40的原理图，完全版本，非常有参考学习价值

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lan91c111 driver,welcome to download! -lan91c111 driver, welcome to download!

C89c51 usb驱动程序,实现了usb转串口的功能,提供了一个虚拟的串口-C89c51 usb driver, realizing the usb serial transfer function provides a virtual serial port

用verilog写的基于cpld的交通灯控制器的源代码，供参考-Use verilog to write cpld-based traffic signal controllers and the source code for reference

这是通讯接口实验《8255A原理实验》的原理程序，适合于那些上嵌入式系统、通信、计算机专业的人-This is the communication interface experiment, "8255A principle experiment," the principle procedures, suitable for those on embedded systems, communications, computer specialists in the

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tms320dm6446开发板原理图，包括各种接口。-TMS320DM6446 development board schematic diagram, including the various interfaces.

资源描述基于STM32F107  LWIP, 通过网络实现软件远程升级FIRMWARE, 通过BOOTLOADER加以保护

仿真实例大集合收集的仿真实例免费为大家提供-Simulation examples Large collection of collected simulation provided free of charge for everyone

舵机控制程序，舵机的控制信号为周期是20ms的PWM信号，其中高电平持续时间0.5到2.5ms。-steering control procedure, the servo control signal is 20ms cycle of the PWM signal. margin which lasted 0.5 to 2.5ms.