1.芯片图 2.Frequency range = 425–525 MHz 可覆盖425-525MHz频段 3.The Si4438 operates as a time division duplexing (TDD) transceiver where the device alternately transmits and receives data packets 双工收发,交替发送和接收数据包。 4.receiver do not operate…
问题描述
springboot开发中运行项目时,mysql连接时遇到乱码:
The server time zone value �й���ʱ�� is unrecognized or represents more than one time zone.
You must conf…