| 摘要 |
Overhead garage door position monitoring systems including one or more smoke detector sensors, carbon monoxide sensors, thermal sensors and/or magnetic sensors to measure the smoke concentration level, the carbon monoxide level, the temperature and the position of an overhead garage door, respectively. These sensors are controlled by and report the status of parameters to a controller, such as a microcontroller. This controller is programmed to report the status of parameters through, for example, a liquid crystal display (LCD) and/or a voice synthesizer and an audio speaker.
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