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Step 9Wiring the AVR
CUTTING THE PERFBOARD
We want to make our board as small as possible, so we need a board that gives us one row of holes to the left, one to the right. No need to have holes available above or below - we're dealing with a tight space here.
PIN ASSIGNMENTS
I couldn't get this into the Instructable in a nice way, so see Picture 3 for how the pins are assigned. This list will be helpful in the next step as well.
WIRING
For now, connect your Ground (-) and Supply (V+) wires. You may also want to add a good length of wire on the two pins that will be handling our button input. When we wire the MAX72XX, we'll connect those three wires as well.
FYI - If you're like me, and not very good at soldering, I suggest leaving the chips out of the socket for now.
We want to make our board as small as possible, so we need a board that gives us one row of holes to the left, one to the right. No need to have holes available above or below - we're dealing with a tight space here.
PIN ASSIGNMENTS
I couldn't get this into the Instructable in a nice way, so see Picture 3 for how the pins are assigned. This list will be helpful in the next step as well.
WIRING
For now, connect your Ground (-) and Supply (V+) wires. You may also want to add a good length of wire on the two pins that will be handling our button input. When we wire the MAX72XX, we'll connect those three wires as well.
FYI - If you're like me, and not very good at soldering, I suggest leaving the chips out of the socket for now.
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