This paper has MQ-2 resistance-type smoke sensor and analog electronics technology as the core, to design a good technical level of the smoke alarm. Which use MQ-2 combustible gas sensor-type semiconductor sensors to achieve smoke smoke detection, high sensitivity, fast response, strong anti-interference, etc, and the price low, long service life. Is a simple structure, stable performance, easy to use, intelligent smoke detectors. In recent years, health care, air purification, domestic gas and hot water, etc, has been widely applie.
关键词
烟雾传感器 输出电压 LM358
Smoke Sensor Outpot current LM358