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Step 10Required Assembly: Pull Up Resistors
The image below showes the silkscreening used for all pull-up resistors.
The resistors we will be using for this step are the 4.7K Ohm ones, Yellow-Purple-Red. There are a few places on the UPCB that look similiar, but have writing in them, such as '22', '1M', and 'OPT'. We are NOT using those yet. This step in only for the unmarked plain pull up resistors.
If you count on the board, you should see fifteen such places.
Pick one to start with. Take one of the pull up resistors and bend the legs so they will go through the appropriate holes. Resistors have no orientation, and can be used facing either direction. Fit the resistor so it lies flat against the board, and bend the legs on the other side to it stays put. Solder the two connections, and cut off the excess legs. Repeat until all pull up resistors have been placed.
The excess legs we cut off will be used later on, so please save a few.
The resistors we will be using for this step are the 4.7K Ohm ones, Yellow-Purple-Red. There are a few places on the UPCB that look similiar, but have writing in them, such as '22', '1M', and 'OPT'. We are NOT using those yet. This step in only for the unmarked plain pull up resistors.
If you count on the board, you should see fifteen such places.
Pick one to start with. Take one of the pull up resistors and bend the legs so they will go through the appropriate holes. Resistors have no orientation, and can be used facing either direction. Fit the resistor so it lies flat against the board, and bend the legs on the other side to it stays put. Solder the two connections, and cut off the excess legs. Repeat until all pull up resistors have been placed.
The excess legs we cut off will be used later on, so please save a few.
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