《亮度自适应的四位数码管电子钟》

1. 时分显示，24/12小时制可选。纯时间，无日期、年份功能。2. 环境光强感应，自动调整LED显示的亮度（14级亮度），以免白天看不清，晚上太刺眼。3. 自然醒闹时唤醒功能。采用白光LED逐渐亮起，模拟天亮的过程。4. 闹时按星期设定，可以选择七天全部和一周五天工作日等模式。5. 一键设定。 模式选择和调整都只用一个按键，长按与短按。长按进入设定或确定设定，短按调整或模式选择。-1 hour and minute display, 24/12 hour selectable. Pure time, date, year function. Environmental light intensity sensor to automatically adjust the brightness of the LED display (14 brightness), in order to avoid during the day and not see too much glare at night. Wake-up function 3. Woke up trouble. The white LED lights up gradually, the process of simulated dawn. 4 weeks when trouble set, you can choose the mode of seven days all five days a week working day and so on. A key set. Mode selection and to adjust only with a key, long press short press. Long press to enter the set or determine the settings, press the adjustment or mode selection.