main

TI公司的ADS1299是8路低噪音同时取样的24位delta-sigma ADC,并内置了可编程增益放大器(PGA),基准电压和振荡器,集成了脑电图(EEG)所需的通用特性.器件具有非常低的输入参考噪音:1.0 μVPP (70-Hz BW),没路的功耗5mW,输入偏置电流300pA,数据速率250SPS到16kSPS,C1.0 μVPP (70-Hz BW),CMMR为-110dB,可编程增益为1, 2, 4, 6, 8, 12或24,单极或双极电源工作,主要用在医疗仪器如EEG和ECG,听觉诱发电位(EAP),脑电双频谱指数(BIS),睡眠研究监测等,高精度多路信号采集.(The ADS1299 is a low-noise, multichannel, simultaneous-sampling, 24-bit, delta-sigma (ΔΣ) analog-to-digital converter (ADC) with a built-in programmable gain amplifier (PGA), internal reference, and an onboard oscillator. The ADS1299 incorporates all commonly-required features for electroencephalogram (EEG) applications.)

基于单片机农作物智能灌溉控制技术 简单易懂程序(Microcontroller-based smart irrigation control technology crops straightforward program)

STM32单片机freemodbus的移植，主从机的都有(1, transplant FreeModbus1.5 and RT-Thread1.1.1 to STM322, development platform supports Eclipse, Keil, IAR3, can be used in the Eclipse plug-in version management EGIT 4, support Modbus RTU (ASCII untested))

详细介绍了DAC0832产生正弦波的程序(Detailed introduces DAC0832 produce sine wave program)

用keilC 开发的基于nRF24LE1的wifi收发程序，已经用于实际数据传输系统(keil C wifi nRF24LE1)

单片机系统原理图 拥有各种功能 基本上能满足学生单片机学习开发应用(mcu perfect)

智能车驱动程序，利用ULN2003A作为隔离，控制BTS7960驱动芯片，实现驱动，程序有限幅，反向等。(Smart car drivers, use ULN2003A as isolation, control BTS7960 driver chip, drivers, programs limiter, reverse and so on.)

这是一份设计报告，内容为2FSK的数字通信系统，里面有仿真图和电路图(This is a designing report about 2FSK digital communication system)

ISO/IEC 7816-1-1998 ISO/IEC 7816-2-1998 ISO/IEC 7816-3-2006 ISO/IEC 7816-4-2005 ISO/IEC 7816-5-2004 ISO/IEC 7816-6-2004 ISO/IEC 7816-7-1999 ISO/IEC 7816-8-2004 ISO/IEC 7816-9-2004 ISO/IEC 7816-10-1999 ISO/IEC 7816-11-2004 ISO/IEC 7816-12-2005 ISO/IEC 7816-13-2007 ISO/IEC 7816-15-2004 (ISO/IEC 7816-1-1998 ISO/IEC 7816-2-1998 ISO/IEC 7816-3-2006 ISO/IEC 7816-4-2005 ISO/IEC 7816-5-2004 ISO/IEC 7816-6-2004 ISO/IEC 7816-7-1999 ISO/IEC 7816-8-2004 ISO/IEC 7816-9-2004 ISO/IEC 7816-10-1999 ISO/IEC 7816-11-2004 ISO/IEC 7816-12-2005 ISO/IEC 7816-13-2007 ISO/IEC 7816-15-2004)

direct sparse solver for linear equations