2014年7月28日 星期一

Beacon

用Attiny做的beacon(信標), 每8秒閃一下LED並蜂鳴一次,使用Attiny的SleepMode, 靠一個CR1220的鈕釦電池 估計可持續運作 6個月。




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ranjitaquan 提到...

Borgata Hotel Casino & Spa - DrmCD
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