Review on ๐ต Blue Charm Bluetooth BLE iBeacon with Motion Sensor and Button Trigger - BLE 5.0 by Stephen Doyle
The circle in the center is not a button
I was mainly interested in the functionality of the button and assumed it was the circle in the center when in fact it was a very small button on the side acts. It's so small that it defeats the purpose of using the button to do something useful. I wanted to use the button function as a cheap way to use it as a lap timer, but in this case there are some issues with using it. First, the smallest interval announced after a key press is 10 seconds. So if you have to press them again 10 seconds ago, it won't work.
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