gas meter water meter heat meter wireless data acquisition module LoRa low power wireless meter reading moduleSTM8L + Sx1278, the module integrates LCD display, valve control circuit, key trigger, magnetic induction, main and auxiliary voltage control, super capacitor compensation circuit, the main voltage detection circuit and gas meter acquisition circuit. The realization of each function is based on the industry for many years the formation of the standard, in the gas meter collection circuit, can be set for photoelectric acquisition, single reed collection, and double reed pipe collection, and double reed pipe with strong magnetic interference protection.
