This topic is the smoke alarm's design. The smoke monitoring system design and development mainly uses single chip computer and sensor technology.
The design of the hardware circuit with STC12C5410AD single chip computer and MQ-2 type semiconductor resistive smoke sensors. STC12C5410AD is the main control device, and the function of the smoke concentration measuring achieve through the MQ – 2 smoke sensor. Software development using C language as a development tool.
This system can realize voice alarm, Concentration shows, the alarm limit setting function. It’s a kind of simple structure, stable performance, easy to use, cheap price, intelligent smoke alarm. The system has good application prospects.
Keywords: Smoke alarm, Single chip computer, Sensor
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