Lynxmotion T-Hex 4DOF Hexapod Robot Kit (Hardware Only)

LynxmotionSKU: RB-Lyn-740
Manufacturer #: THEX4

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Sale price £388.43

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  • Four DOF (degree of freedom) leg design for dynamic range motion
  • Perfect for adding weapons for local robot competition
  • Made with ultra-tough aluminum servo erector set brackets
  • Includes brackets, frame and hardware for 4DoF T-hex hexapod
  • Advanced development kit

The Lynxmotion T-Hex 4DOF Hexapod Robot Kit (Hardware Only) is made from ultra-tough high-quality aluminum servo erector set brackets. The T-Hex robot's body is Mech inspired. The use of offset brackets on the legs provides additional range of movement. The four DOF (degree of freedom) leg design means the robot can walk in any direction, just like the 3DOF version. But the 4th axis really expands the dynamic range of the robot's range of motion. The robot has been designed to use 24 HS-645 servos for the legs. This Mech inspired robot is perfect for adding weapons for your local robot competition.

Note: Product differs from image shown

Lynxmotion T-Hex 4DOF Hexapod Robot Kit (Hardware Only)- Click to Enlarge

Controlling the Robot
By offloading the servo pulse generation and sequence movement timing to the SSC-32 the microcontroller has plenty of power to do some really cool things. The Phoenix program allows the robot to walk with variable speed, in any direction (translation), or turn in place (rotation), or any combination of the two. The leg lift and ride height is adjustable as well as the gait walking speed. You can rotate the body in every axis. All of these are accessible from the controller.

Note that this is NOT a toy but rather an advanced legged development platform. Mechanical assembly instructions are provided. but the user must select electronics and program the robot. The Phoenix code (compatible with Lynxmotion's BotBoarduino microcontroller + SSC-32 servo controller + PS2 remote control) can be adapted for use with this robot at the discretion of the user.


  • 3x 4DoF T-Hex Leg pairs
  • 1x T-Hex body
  • 6 x Servo Extender Cable - 6''
  • 6 x Servo Extender Cable - 12''

Requires (Sold separately)

  • 24x Hitec standard sized servos
  • Servo controller
  • Microcontroller
  • Battery (6V, 2500mAh+) / charger
  • PS2 remote control & wiring

Customer Reviews

Based on 2 reviews
Steve Blake
Great kit and customer service

Bought this kit and the SSC-32U board. The online instructions to build this kit are easy to follow and using the recommeded FlowBotics Studio software has gotten me to the stage of controlling all 24 servos. There was an issue with the kits having some malformed screws, but after a quick email conversation RobotShop sent me replacements.
As the other reviewer notes; there are a lot of tiny parts to assemble. Having a parts sorter tray on hand was vital to retaining my sanity.
Mistakes I made:
-Tried to use other servos, but they were too big. The mounts don't have spare space!
-Tried to power servos from standard bench supply, but wasn't enough current (robot would go limp suddenly) so wired servos to high current supply.
-Be careful to build the legs in the correct orientation or you will have to rebuild them, like I did!

Visual Echo
Very good base platform for custom walker

I'm using this pack to build a custom walker. I didn't want the kit with servos, as I wanted to be able to experiment with servos of different speed/torque. I also did not want an 8-bit operating system. The aluminum is a good alloy, the assembly screws are coated steel (even with "Ford" hands, I managed to do all the assembly without stripping any). Be wary of the packaging, there are a LOT of bearings and itty-bitties that can be lost. I'm currently using Savox standard sized servos, which are just slightly taller than the Hitec's, have 3X the torque (at 4X the price), and they fit pretty good (the height of the gearbox on top of the servo is significant or the ball bearing fit into the servo bracket isn't quite right). I ended up putting the servo horns on the opposite side of the bracket and it worked fine. It's a little pricey, but this is all the aluminium and screws for a good 4DOF hexapod base. I've seen (slightly) better brackets, but the quality of the materials makes up for a minor bit of design awkwardness.

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