一个功能强大的DA转换芯片，底层齐全，方便移植，很好的资料-A powerful DA converter chip, low-level complete, portable convenience, good information

Linphone is an open source SIP Phone, available on mobile and desktop environments (iOS, Android, GNU/Linux, MAC OSX, Windows Desktop, Windows 10 UWP). Linphone has inside a separation between the user interfaces and the core engine, allowing to c

ti单芯片soc无线射频芯片，性能强大，可用于subg,2.4G都可。实现了接收，发送及跳频r的无线收发。其所用easylink框架也非常值得参考(Ti single chip SOC radio frequency chip, powerful performance, can be used for subg, 2.4G can. Wireless transceiver for receiving, transmitting and frequency hopping R is reali

一款功能强大的串口调试工具，该工具可显示图形，可解析MODBUS类的指令(A powerful serial debugging tool, the tool can display graphics, can parse the MODBUS class instructions)