BLE "tags"[1] cost ~$2 shipped and seem to send a notification every time their button is pressed. I'm not sure if they perform well in the case of powering dow

BLE "tags"[1] cost ~$2 shipped and seem to send a notification every time their button is pressed. I'm not sure if they perform well in the case of powering down and then back up, though. It seems like they might need a button press to allow a host to reconnect to them, which would present the same problem as in the article. And they have awfully annoying beepers in them that beep with every button press, and beep multiple times before powering down. 1: https://github.com/sylvek/itracing2/issues/5 https://github.com/sylvek/itracing2/issues/5