中颖927电表SOC的计量控制485通讯显示单元的操作函数和底层驱动，很实用的例子，已经批量生产-SinoWealth 927 meter SOC metering control 485 display unit operation function and the underlying driver, very practical examples, has been mass production

Eclipse EAT SIm800H note: 1.please follow the user guide:SIMCom_SIM800H_EAT_RVCT_Installation_User Manual_V1.01.pdf which is in foler environment_RVCT to install the environment of sim800H EAT. 2.please install the usb driver before you upgrading