这是本人根据LIN总线的协议自己写的一个主机和从机的程序，还有一个pretus的仿真图，TJA1020的作用主要是电平转换，直接用仿真示波器查看单片机的TXD和RXD口就足够了，如果有什么错误或者不好的地方，希望高人能够指点一下,自我觉得还是有一点参考价值的,This is my LIN bus in accordance with an agreement to write a master and slave process, there is a simulation pretus map

07年售饭机的成品电路板图。采用485通讯协议。用户可根据自己需要进行电路板图的修改单片机附近的走线，建议不要修改。影响系统的稳定性-07 Shoufan machine finished circuit board diagram. 485 communication protocol used. Users can map their own need for changes to the board walk near the line of SCM, it is recommended

蓝牙耳机程序包，支持HFP,A2DP,AVRCP,SPP,MAP,BLE等协议-Bluetooth headset package supports HFP, A2DP, AVRCP, SPP, MAP, BLE and other agreements