Realme Band and Samsung Galaxy Fit 2 Reviews

Last updated: 2022/3/25

I bought two smart bands to monitor sleep and heart rate. It’s interesting to know which sensor is usedI bought two smart bands to monitor sleep and heart rate. It’s interesting to know the sensors and medical theories behind them.

After using them for more than 10 months, I realize alarms, timers, sleep, and exercise trackers are the most frequently used features to me. The latter two are good at recording durations but not accurate on sleep stages and heart rate. I also found the gyroscope helps to detect motions more precisely than a single accelerometer.

In conclusion, smart bands are good at time management but not heart rate or sleep stages. The sensors and theories are not as accurate to medical equipment.

Hyper-V on Windows 10 Pro: My Missing Manual

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Salesforce Data Loader and Workbench.Developerforce.com: My Missing Manual

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Files Contain Windows Invalid Characters Transferred from QNAP to Asustor Using rsync

I want to copy files from QNAP TS-119P II to Asustor AS-5102T directly. There are many solutions: including ftp, rsync, or mount a shared folder.In my case, rsync is the easiest solution.

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I will also talk about invalid characters in names and how ADM handle it. A must read for non-Windows users.

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Use a Toggle to Switch HotSpot Status on Android

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