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Step 7The finished thing
Here it is displaying a letter A.
And the second image is of a letter B in the dark, these are diffused blue LEDs with a freshly charged 4x AA 2500mAh battery pack, quite bright. But not so bright as so you can't see the display, perfect.
And the second image is of a letter B in the dark, these are diffused blue LEDs with a freshly charged 4x AA 2500mAh battery pack, quite bright. But not so bright as so you can't see the display, perfect.
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