Slim Gender Changer DB9 Female to DB9 Female.
Connect two DB9 plugs with the gender changer. The adapter doesn't use any extra circuitry and is a straight-through plug. This provides better compatiblity. The adapter is easy to use, just a simple plug that is brighty-colored for easy cable identification.
Slim Gender Changer DB9 Male to DB9 Female.
This is a small tracked robot equipped with 42mm motors, a motor controller, and Spektrum remote control. This is a customized prebuilt version of TP-230-042 with added track brackets.
Steel Machine Key 3/16" x 3/16", 3/4" long. These keys are economical with high strength and will fit 3/16" keyways.