.
Step 9 -
Insert J1. Note the correct orientation. Solder at 4 places.
Assembly Options:
Option 1.
If only logic outputs are desired, the board is now complete. Do not perform Option 2 or 3.
O
ption 2.
If relay outputs are desired, complete the following:
Insert D1 and D2. The dark band shows orientation Solder at 4 places.