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Step 10ASSEMBLE THE INTERFACE BOARD
The image below shows the location of all the components on the interface board. Note the orientation of the electrolytic capacitor -- the grey stripe indicates the negative side. Also note the orientation of D1 and D2 -- the black stripe should point downwards. Finally, note the location of PIN 1 of the ATMEGA168 chip -- the PIN 1 marker must be oriented towards the top of the board (See 2nd picture above).
Also, don't get confused between C1, C2, and C4. C4 is marked "103" while C1 and C2 are marked "22J."
Also, don't get confused between C1, C2, and C4. C4 is marked "103" while C1 and C2 are marked "22J."
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