Making an intelligent cap with Crowtail modules

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Need an idea for a present? Gebera shares us a present he made for his Dad, an intelligent cap:

It can be a great help to let my father know the time and have a rest if the UV ray is too high and be careful when come back late in night. With this cap, i can not so worry about my father.

You can see the full step by step guide at Instructables.

Via the project log forum.

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