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用单片机做的USB开发板的键盘程序 开发板上共有8个按键,功能分别为: K1:左Ctrl键 K2:左Shift键 K3:左Alt键 K4:0键 K5:1键 K6:2键 K7:Caps Lock键 K8:Num Lock键 按键功能测试: 同时按下K1和K2可做输入法切换,这跟键盘上的两个键功能一样的。 K7可打开大写字母锁定,同时LED2亮起。K8是小数字键盘锁定键, 当数字键盘打开时,LED1亮起,这时可用K4,K5,K6输入数字。 请留意EDN板上的LED会跟你自己的键盘上的LED灯同步。不管按哪块 键盘切换都是如此。不过按住切换键不放,可能会导致两块键盘之间 的LED失步。-MCU development board to do the keyboard USB development board a total of eight buttons, functions, respectively: K1: Left Ctrl key K2: the left Shift key K3: left Alt key K4: 0 key K5: 1 key K6: 2 key K7: Caps Lock key K8: Num Lock key button function test: Press the K1 and K2 at the same time can switch the input method, which is two keys on the keyboard functions the same. K7 can be locked open capital letters at the same time turn on LED2. K8 is a small numeric keypad lock, when the numeric keypad open, LED1 lights when available K4, K5, K6 digital input. Please pay attention to the LED board EDN will be with your own LED lights on the keyboard simultaneously. Regardless of the keyboard by switching哪块true. Hold down the key switch, however, may result between the two LED keyboard out-of-step.
Date : 2026-01-10 Size : 95kb User : haoyu

YW-605系列射频卡读卡器是采用13.56M非接触射频技术设计而成的通用型读卡器,内嵌MF RC530、RC531和CL RC632等一些列原装芯片,读写性能稳定可靠。天线和主板一体化设计,使芯片的读写性能更出色的发挥出来。该系列读卡器采用USB/ RS232 等数据传输方式与计算机相连接,使计算机二次开发变得更为简单。 该系列读卡器支持ISO14443-A Mifare One S50, S70,ISO14443B和ISO15693及其兼容卡片。广泛应用于非接触智能水、电、气三表、交通一卡通读写器,桌面发卡器,门禁考勤读写卡器,汽车电子感应锁配套,办公/商场/洗浴中心储物箱的安全控制,各种防伪系统及生产过程控制,数据采集等。 值得参考-YW-605 series RF card reader is the use of non-contact radio frequency technology 13.56M design from the universal card reader, built-MF RC530, RC531 and CL RC632 chip and some original column, read and write performance is stable and reliable. Integration of the antenna and motherboard design, enabling the chip to read and write performance even better play. This series of readers use USB/RS232 and other data transmission and computer connected to the secondary development of the computer easier. This series of Reader supports ISO14443-A Mifare One S50, S70, ISO14443B and ISO15693 and compatible cards. Widely used contactless smart water, electricity, gas and three tables, the transportation card reader, desktop card dispenser, card reader access control attendance, automotive electronic sensors lock facilities, office/store/storage bath safety control box various security systems and production
Date : 2026-01-10 Size : 329kb User : coodor

USB锁功能,通过修改注册表来实现的!大家可以-USB lock function, achieved by modifying the registry! We can try
Date : 2026-01-10 Size : 166kb User : 谢谢

VB6 Sourse code to lock your program or pc by any usb device
Date : 2026-01-10 Size : 69kb User : jasem

该设计主要是在Windows XP SP2中,利用Windows XP SP1 DDK和HOOK来实现的。通过验证USB设备的数据,来控制系统的锁定与解锁。-The design is mainly Windows XP SP2, Windows XP SP1 DDK and HOOK. By verifying the data of a USB device, the control system lock and unlock.
Date : 2026-01-10 Size : 5.45mb User : 郑倡

Bloqueia portas USB do computador.
Date : 2026-01-10 Size : 8.56mb User : glfreitas
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