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无线模块SIM300硬件设计最新资料V4.02。可供从事学习、开发无线通信有关人员参考。(SIM300_HD_V4.02.rar)

说明：  基于ARM处理器的EtherCAT 通信开发平台(EtherCAT Communication Development Platform Based on ARM Processor)

AD7991采集数据程序，C语言编程，keil软件，可实现三通道轮流采集，程序中添加串口显示返回值，亲测，可用(AD7991 data collection procedures, C programming language, keil software, can achieve a three channel samples in turn, add serial program to display the return value, pro test available.)

说明：  ATK-ESP8266 WIFI用户手册_V1.3(Atk-esp8266 WiFi user manual)

付利叶变换的源代码，希望对大家有所帮助。很经典的(profits Fourier transform of the source code, we hope to help. The classic )

基于stm32f103的蓝牙串口透传模块，与安卓手机app共同使用。(bluetooth for stm32f103)

基于stm32单片机实现对心电信号的检测分析(Detection and Analysis of ECG Signals Based on stm32 Microcontroller)

RS232-RS422隔离模块电路图,隔离电压为3000V(RS232 AND RS422 communication adaptor,isolated)

说明：  卡尔曼滤波版平衡小车源码，自己已经调试完成了，出自平衡小车之家(Kalman filter version balanced car source code)

51单片机驱动74ls164程序 (51 Microprocessor 74ls164 program)