树莓派外挂ESP32-放弃硬件的2根线
研究关键指令 hciattachpi:root@raspberrypi:/# find -name hciattach./usr/share/bash-completion/completions/hciattach./usr/bin/hciattach其实第一个是文件 读一读 读不懂sudo hciattach -n -s 115200 /dev/serial0 any 115200 flowhttp://www.voidcn.com/article/p-minmxows-rr.html
