Hypnocube 4Cube - Page 8

Hypnocube 4Cube Instructions v 6.5, December 2013
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Next do the ULN2803A (Figure 14.) Again, note the orientation – it’s the opposite of the other ICs on that side
of the board, so it’s particularly easy to get wrong.
Here’s the board with the first set of chips in place.
Figure 15: ULN2803As in place.
Figure 14: ULN2803A