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Cold Casting

The lgic display here is made from standard resin. I will add a cold cast one later so you can see the difference.

To make the LED matrix, I set up a peice of plastic on my milling machine and drilled the 3mm holes. The mill is good for this because you can move the milling table by an consistent amount.

Since starting this project I have made a 3D printer so I will re-manufacture this with the correct 4 rows of LEDs

R2D2-large-logic-leds.jpg
Electronics, lights and leds

The LED's are just soldered in parrallel with care taken not to short any legs. They are 3mm, tre-color leds that change on their own. The do vary in colour according to voltage.

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