基于STM32的智能家居系統設計

摘要

本文設計介紹一種以stm32 單片機為核心，設計了一套基于GPRS無線網絡的智能家居控制系統。該系統以GPRS通信為基礎、能通過無線通信技術實時監控家居的溫濕度狀態，并能自由控制家居的電器的開關操作。同時集成光強采集電路，能自動開關窗簾的功能。

本設計硬件電路結構簡單，分為控制器模塊，GPRS模塊，繼電器控制模塊，步進電機控制模塊等五大電路模塊，其中控制器選用基于cotex-m3內核的32位微控制器STM32F103R8T6。GPRS模塊選用SIM900模塊，人機交互模塊選用OLED12864模塊顯示數據，獨立鍵盤作為輸入設備，繼電器控制輸出控制家電電路開關。最終通過系統的測試，本設計實現的功能包括：窗簾電機檢測當前光照強度或者濕度情況實現自動開閉以及本地按鍵控制開閉、GSM短信遠程控制繼電器的開閉、室內溫度異常時的GSM短信通知。

關鍵詞：智能家居；GPRS；遠程控制；STM32

Design of Intelligent Home System Based on STM32

Abstract：This paper introduces a kind of intelligent home control system based on GPRS wireless network with stm32 single chip as the core. The system based on GPRS communication, wireless communication technology can be real-time monitoring of home temperature and humidity status, and can freely control the home electrical switch operation, the use of stm32 internal calendar to achieve effective time management of household appliances, while integrated light Acquisition circuit, can automatically switch the function of the window.

The design of the hardware circuit is simple, divided into controller module, GPRS module, relay control module, stepper motor control module and other five circuit modules, including controller based on cotex-m3 core 32-bit microcontroller STM32F103R8T6. GPRS module selection SIM900 module, human-computer interaction module selection OLED12864 module display data, independent keyboard as input device, relay control output control home appliance circuit switch. Finally, through the system test, the design of the realization of the functions include: the curtain motor to detect the current light intensity or humidity to achieve automatic opening and closing and local key control open and close, GSM SMS remote control relay opening and closing, indoor temperature abnormal GSM SMS notification

Keywords: Intelligent Home Furnishing; GPRS; remote control; STM32

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