SquareLoop

自动读取Felica 卡UID和Mifire 卡UID,可以作为门禁系统和考勤系统使用.(Felica card is automatically read and Mifire card UID UID, can be used as access control systems and time and attendance system.)

C8051F350的UART0例程，很实用的简单例程。(The C8051F350 UART0 routine, very practical simple routines.)

ARM串口应用例子，适用于NXP23系列CPU,封闭式总线，采用内部FLASH及RAM.(ARM serial port application example for NXP23 series CPU, closed-end bus, using the internal FLASH and RAM.)

AD转换，实现简单的模拟电压转换数字电压(AD conversion, to achieve a simple analog voltage conversion digital voltage.)

温度传感器18b20用C51控制，可以实现功能。操作简单，程序易懂适合入门(Temperature sensor 18b20 with C51 control function can be achieved. Simple, easy to understand procedures for entry)

纯数字电路实现4位密码锁，15秒倒计时功能，简易原器件，课程设计，proteus仿真(Pure digital circuit to achieve 4-bit password lock, 15 seconds countdown function, simple components, Proteus simulation, curriculum design)

峰值电流控制的BOOST,DC-DC电路，48V转80V，具有ZCS环境(Peak current control BOOST, DC-DC circuit, 48V switch 80V, with ZCS environment)

按键扫描，逐行检测，，，，，，，，，，，，，，，，(Key-press scan, line by line detection...................)

单片机串行数据采集与传输模块设计.pdf(MCU Serial Data Acquisition and transmission module design. Pdf)

采用空间矢量法作为滞环电流控制的APF软硬件设计(Using space vector method as hysteresis current control of APF hardware and software design)