电子蜡烛，模拟蜡烛一闪一闪、忽明忽暗的效果，亮度闪烁频率都可以任意设定，使用attiny 85芯片，指甲大小而且功耗小，三节五号电池可以持续使用一周以上 。(Electronic candle, dark candle flickering effect simulation, flickering light, brightness flicker frequency can be set arbitrarily, the use of attiny 85 chip, nail size and small power consumption, three batteries of five can be used continuously for more than a week.)