Next are the current limiting resistors.  These resistors reduce the current traveling through the LEDs.  Start with the resistor with three red bands, the 2.2K Ohm resistor.  Solder this on the board next to the yellow LED.  This resistor is located on the top (silkscreen) side of the board.  Once in place, trim the excess leads from the bottom of the board.  The 1K resistor, with red, black and brown bands, is located next to the red LED.  Follow the same steps to install this resistor.  Refer to Part 1 if you are not sure where the resistors are placed on the top of the board. 

Install the MAX-232A chip on the board.  This chip has a distinct marking on its top surface that indicates pin 1.  The board has a similar mark on the silkscreen legend to indicate the proper orientation of the chip. 

Diagram of pin orientation on the MAX232A chip.

Insert the chip on the board (on the opposite side from the blue capacitors).  This may take some effort as the chip's pins tend to splay out somewhat.  Once in place, flip the board over and solder all 16 pins of the MAX chip.  To complete this step, use wire cutters to trim down all 16 leads of this chip. 

The completed board.

Continue on to Step 4 of the kit assembly. 

Related Links:

Building the Serial Interface Kit - Part 1: Installing the LEDs