Note that when viewing the top of the board with the Eurocard at the bottom, these pins go from right to left. If you look closely at the pins, you will see that pin A1 has a square pad, unlike the round pads of the others.
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Note that when viewing the front side of the board with the Eurocard at the bottom, these pins go from right to left. If you look closely at the pins, you will see that pin A1 has a square pad, unlike the round pads of the others.