37.TFT-SD-card

PGA2310的stm32驱动程序，可以任意选择通道放大倍数(PGA2310 driver for stm32)

使用STC8单片机，实现电容感应触摸键功能(Using STC8 Single Chip Microcomputer to Realize Capacitance Induction Touch Key Function)

锁相环用于电机转速精准检测，资料很不错，值得下载(Phase-locked loop for accurate detection of motor speed)

说明：  通过定时器1控制八个LED实现不同样式的循环点亮，首先13，然后24，35，46，57，68之后是四个灯1357，2468，之后全部点亮再全部熄灭。(Through timer 1 control eight LEDs to achieve different styles of cycle lighting, first 13, then 24, 35, 46, 57, 68 followed by four lights 1357, 2468, and then all lit and then all off.)

说明：  使用STM32F103 32位芯片配置以及控制DC18B20传感器(Using STM32F103 32 bit chip to configure DS18B20 and control DC18B20 sensor)

MSP430x54x 实时时钟示例代码(MSP430x54x RTC sample code)

说明：  BUCK电路控制的设计方法，分析BUCK电路的传递函数框图，介绍如何设计BUCK电路的具体参数。(The control of BUCK circuit)

凌阳8202L源程序，用GCCL2，用DOS的命令符设置好编绎环镜按1 16即可。(Sunplus 8202L source, with GCCL2, with the DOS command character set compiled by Yi 1 16 to loop mirror.)

PID程序,实现PID控制算法........(PID)

stm32f103rct6 IAR工程环境，使用IAR 8.x(stm32f103rct6 project)