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Solid Wood Digital Clock

Step 5Prepare the Back Board

Prepare the Back Board
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For this step use the attached template to drill and carve out the holes for the DB9 connector used for the controller, and the 2 1/8" audio jacks used for power and the radio.

To carve the controller port, drill out the inner line on the template. Next, carve the outer part of the template 10 mm deep using a chisel (be careful for this step, it's sharp).

To drill out the holes for the 1/8" jacks, start by drilling a hole just large enough for the end of the audio jack to fit into. Next drill a larger hole from the inside of the board to within 3mm of the outer surface(this depends on your jack). This allows the end of the jack to sit snugly in the smaller hole with the rest hidden behind the wood.

At this point you will want to attach the wires to the power, audio and controller ports. On the controller port, connect the wire from pin 5 to the wire from pin 6 as seen in the last picture.

Finally, fasten all of the ports to the back board using hot glue on the inside.
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Author:J_Hodgie
Currently doing masters in Mechatronics Engineering, but still create in my spare time