This paper is about the temperature and humidity control system based on Short Messaging Service (GSM) and wireless networks (ZigBee technology). The system can be used in home network communication by software IAR Embedded Workbench as ZigBee development platform. After the user send short message to Short Messaging Service TC35 module, master microcontroller completes the communication between GSM module and ZigBee coordinator, then ZigBee coordinator control Internal family ZigBee terminal nodes according to the content sending by the single-chip computer. On the one hand, the ZigBee coordinator receives data collected by temperature and humidity sensor DHT11 and Short Messaging Service module sent to the user's phone in the form of short message via coding by the master microcontroller, on the other hand, the single-chip computer controls household appliances switch by the triode switch. Through debugging and experimental research of the hardware and software system, we concluded that the system can realize the remote monitoring of indoor temperature and humidity and remote control household appliances reliably, which laid a foundation of further implement on the intelligent of the household environment.
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