ChipCH9102 ^^ FeatureAdd the SMA and TP4054 to the board, which make it can do more things ^^ AdvantageIn terms of the power switch, we have changed the switching interaction mode, SMA antenna can enhance signal transmission ^^ Githubgithub. com/Xinyuan-LilyGO/LilyGo-LoRa-Series ^^ Data transmissionData can either be be stored on a local SD-card, transferred to cloud using LoRa WAN network or MQTT over TCP/IP, or transmitted to a local host using serial (SPI) interface