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Helix Main Board
Assembly and Setup Manual
19
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Assembly of the MP3 Board
The MP3 break out board from SparkFun doesn’t have any connector pins installed. In order to be able to connect
this board to the main board these pins must be installed following these steps:
The MP3 board has pads along three sides of the board. There are 10 pads on each of the long sides and six
pads along the bottom. The Helix only uses the two sets of 10 pads. Do not install headers in third set.
Carefully break off two 10 pin headers off of the 40 pin 0.1” pitch strip header (Mouser Part# 517-6111TG).
Insert the shorter pins of one of the 10 pin header through the bottom side of the break out board.
Solder one of the pins in place on the top of the break out board.
Make sure the header is flush with the bottom of the board and perpendicular to the board. Reheat and
reposition the header as necessary.
Solder all of the pins on the header on the top side of the board. See Picture 9 for an example of a correctly
installed header.
Repeat the same steps with the other header.
Do not install a header in these holes
Picture 9
Headers Installed on the MP3 Board