Introduction - If you have any usage issues, please Google them yourself
Openwrt system can run using lua language. 1. Environment: linux (openwrt) 2. dependence: stty set up the serial port parameters curl obtain network settings cjson parse json data ntpd school network 3. name of the serial baud rate of the interface signature urban id modification process yourself: After running network time, open the serial port, until a successful update weather data, monitoring serial data flow into the serial port returns weather information