SM2191B RS485 light intensity and temperature and humidity

SM2191B sensor for the RS485 bus-style temperature and humidity integrated sensor, using RS485 interface, the standard MODBUS-RTU protocol, multi-point simultaneous monitoring, networking and remote. Applicable to all kinds of places, especially for agricultural greenhouses, urban lighting and other places. To facilitate networking and industrial applications, this module uses the industry widely used MODBUS-RTU communication protocol to support the secondary development. Users simply according to our communication protocol can use any serial communication software module data query and settings.