TFT-char

STM32F107的单片机，针对红外遥控解码，我们已经使用过(STM32F107 infrared remote control code)

book for beginners in stm32

c8051f的相关代码，包括USB通讯、SIP通讯、AD采样、时钟设置等(related code of c8051f, including USB communication, SIP communications, AD sampling clock settings)

使用MSP430F5438单片机和HC-SR04超声波模块实现测距的源码。( Using the MSP430F5438 microcontroller and HC-SR04 ultrasonic ranging module source.)

建立环形缓冲区，将发送缓冲区建立成一个环形的缓冲区，在这个环形缓冲区内，通过头指针和尾指针来定位空白区和数据区(Ring buffer and send buffer created as a circular buffer in the ring buffer head and tail pointers to locate the blank area and data area)

at89c2051利用74ls164 驱动 共阳极数码管(74ls164 driver to use a total of at89c2051 digital tube anode)

VSG等效为SG的visio构图，可以直接复制到word中，visio2010制作，vsd格式(VSG as SG，made by MS visio2010)

说明：  一种高精度恒流源电路的设计与实现，仪器仪表(High precision constant current source circuit, instrument)

crc校验的一种计算方式，可以用于网络协议或串口、can协议的校验位计算，有封装好的函数(A calculation crc check can be used for network protocols or serial port, can protocol parity bit calculation, there is a good function package)

LPC2119最小系统板设计图。包括LCD，232，485，RTC，CAN,E2PROM等。(LPC2119 Minimum system board design. Including LCD, 232,485, RTC, CAN, E2PROM, etc..)