(The traditional temperature control system usually adopts the method of wired signal transmission, the wiring cost is high, and the repair is inconvenient. ZigBee technology has been widely used as a new short-range, low-complexity, low-power, low-cost wireless communication technology; GPRS is a new packet data bearer developed on the existing GSM system business)
发表于 2022-7-29 16:11:27
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