Lynxmotion T-HEX 3DOF User manual

The T-HEX Body Assembly Guide.
Updated 08/17/2011
MPORTANT: This assembly guide applies to BOTH the 3DOF and the 4DOF T-HEX models, even
though pictures used are of the 3DOF legs.
mage of 4DOF T-HEX.
Step 1.
Attach two 1/4" standoffs to the base panels as shown using two 2-56 x .250 screws each.
4 x
Figure 1.

Step 2.
Connect twelve 1.875" hex spacers to the right chassis panel as shown using 4-40 x 1/4" hex socket
screws.
12 x 12 x
Figure 2.
Step 3.
Attach two "C" brackets and four Offset "C" brackets to the chassis as shown. Use two 2-56 x .
250" screws and 2-56 nuts for each bracket. Note, to revent damage to your battery, make sure
your screws are facing the inside of the "C" brackets.
12 x 8 x

Figure 3.
Step 4.
Connect the two halves of the chassis together using twelve 2-56 x .250 screws.
4 x
Figure 4.
Step 5.
Using four 4-40 x 3/8" hex socket head screws, attach the 0.75" hex spacers to the board as shown.
The SSC-32 should be configured for 115.2 kbaud and DB9 communication, with the VS2=VS1
jumper installed. Remove the VL=VS jumper. Consult the SSC-32 manual if needed. Attach the wiring
harness to VS1. Connect 8" of 24awg wire (not included) AND the 9v battery clip to VL; this will
provide power for the electronics. Make sure that the red wires go to (+) and the black wires go to (-).
4 x 4 x

Figure 5.
Step 6.
Slip the SSC-32 in through the hole in the side of the robot and use four 4-40 x 3/8" hex socket screws
to secure the board as shown. Make sure the DB9 port on the board is at the back of the robot, away
from the power switch hole! This will ensure you can easily plug in a DB9 cable. nstall the power
switch in the power switch hole as shown.
4 x
Figure 6.

Step 7.
Using four 4-40 x 3/8" hex socket head screws, attach four 0.75" hex spacers to the board as shown.
4 x 4 x
Figure 7.
Step 8.
Slip the Bot-Board in through the hole in the side of the robot and use four 4-40 x 3/8" hex socket
screws to attach the board as shown. Make sure the DB9 port on the board is near the top of the robot!
This will ensure you can easily plug in the DB9 cable.
Attach the red and black wires from the SSC-32's VL to the Bot Board 's VL. Be sure that red goes to
(+) and black goes to (-).
4 x

Figure 8.
Step 9.
Attach all legs to the chassis using two #2 1/4" tapping screws each.
12 x
Figure 9.
Step 10.
Plug the servos into the SSC-32 as illustrated in this diagram. Simply plug in the servo associated with
the function to the corresponding pin. f oriented correctly, the /O port (group of four pins) will be
closest to its corresponding leg.

Servo Letter Definitions
Left
Right
Rear
Middle
Front
Horizontal
Vertical
Knee
Ankle