Test_shl_int_2addr

ATSHA204 主要特性： 1，SHA-256 Hash算法 2，有保证的唯一的72-bit序列号； DS28CN01　６４－ｂｉｔ 不仅有软件加密，内部还有高质量硬件加密。 3，16个槽口的4kbits EEPROM： 4Kbits / 8 = 512Bytes 每个槽口32bytes 4，I2C接口, 单线接口 5, 和Atmel AT88SA102S，AT88SA10HS 6, i2c 地址默认为0xc8； 还可以configuration zone改变地址。(CryptoAuthentication Device Family Atmel offers the industry s widest selection of hardware authentication and encryption devices. The portfolio is currently comprised of three parts with several others under development. Our CryptoAuthentication devices provide confirmation that hardware and software products are real, which is what authentication is all about. The devices are extremely cost-effective and come in exceptionally small packages.)

交通信号灯控制，可以调红绿黄灯时间，有紧急模式和夜间模式( Traffic lights control, you can adjust the red and yellow light time, emergency mode and night mode)

基于stm32单片机的pid算法电机控制，可实现pid算法控制电机转速。(PID algorithm motor control based on STM32 microcontroller can realize PID algorithm to control motor speed.)

Felica UID checking sample code.

用C语言实现matlab的butter函数中低通和带通功能,高通和带阻没写,有兴趣的可以自己加入.(Using C language to achieve matlab butter function low-pass and band-pass function, high pass and band stop did not write)

Arduino Library for Freematics OBD-II UART Adapter Distributed under BSD License

LCD多级菜单具体实现源代码，仅供参考。(LCD multi-level menus to achieve specific source code for reference)

MSP430 控制8个5*7LED点阵 完成安检门上位机菜单显示及运行参数控制功能(MSP430 Dot matrix LED)

使用正点原子的精英板/战舰板，使用带FIFO的ov7725 实现普通二值化(Ordinary binarization using the elite plate/warship plate with punctual atoms and ov7725 with FIFO)

说明：  433M解码，PT2262、HS1527芯片解码(433M decoding, PT2262, hs1527 chip decoding)