An Omnibearing Remote Control Night-Light Based on 315 Mhz Wireless Radio Frequency Technique

Aged tendency of population has become a worldwide trend in 21th century. Since the year of 2000, our country has gradually stepped into ageing country camp. Health issue, population de- velopment tendency of the aged has been attached more importance. As somatic function of the aged drops, the frequency of the aged getting up at night to wash, medicine, drink increases, the odds of falling and crushing in the darkness also increases. Especially for the aged who live alone, if accident happens at night, they will not get help easily. This paper designed a night-light aiming at reducing the aged inconvenience during their night activities. The night-light adopts wireless RF remote control technique, and the old can control night-light on and off remotely without re- mote aiming at the night-light, reducing the inconvenience of finding light switch at night. The key is designed simply and apparently, easy to press stably at night for the aged. LED lamp cap is ado- pted and circuit configuration and lamp luminance are optimized to control the night-light's cost, reduce power dissipation and save electricity, which solve the scruple of economic issue of some aged people.