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Wear the Wearable LED Matrix Sign as you like. †
Please be careful on the arrangement of the smart phone, arduino board, and the battery in the bag. †
- In order to avoid the un-expected action of the smart phone,
- the screen of the smart phone should not be lit, by pressing the power on button of the smartphone short time, (not power off), just before put the smartphone into the bag.
- Smartphone should be placed like, Switchs of the smartphone should be turned to upper side in the bag, in order to these switches pushed un-expectedly.
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