一位以"Chip Overclock"为名的业余爱好者对其 GPS 守时桌面时钟并不满意。该时钟内部的树莓派在 GPS 卫星信号可用时,能将时间保持在与 UTC 相差微秒级的精度;然而一旦在恶劣天气或天线故障期间丢失信号,树莓派的标准石英振荡器便会开始漂移。
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A hobbyist mounted a cesium atomic clock on his Raspberry Pi
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