用TI430最小系统开发的瓦斯检测报警器，本设计的特点是节能，间断式检测，休眠期间传感器不供电，检测期间由PWM降压自动为传感器提供稳定的电压，达到节能的效果-Minimum system developed by TI430 gas detection alarm, the characteristics of this design is energy saving, intermittent detection sensor is not powered during the dormant period is automatically detected by the sensor provides stable voltage PWM buck to achieve energy-saving effect