Copyright © Parallax Inc.
Eddie Robot Platform (28990 & 28992)
v1.1 1/16/2013 Page 5 of 17
Place two ¼” long spacers onto the screws, and align the screws to the self-tapping mounting holes on
the acrylic stand. The screws will cut their own threads. Screw them all the way in, but do not over-
tighten.
Figure 3b
You should now have assemblies that look like those shown in Figure 3c. Repeat these steps for the
remaining Ping))), and IR Sensor assemblies.
Figure 3c
Connect the appropriate cables to each of the sensors. Be sure to observe proper polarity on the Ping
cables, as shown in Figure 3c. The IR cables are polarized. Line up the tab on the cable, and insert it
into the receptacle. Be sure to fully insert them – they should “click” into place.
Set these assemblies aside for now.
