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Joints
Dexter's hardware has 5 joints in the base model, and the v2 Tool Interface adds 2 more for a total of 7.
| # | FPGA | Connector | Human / Description | Slots | Eye Rotation* |
|---|---|---|---|---|---|
| 1 | 1 | Base | Roll. Shoulder rotate (vertical) | 200 | Counter |
| 2 | 3?** | Pivot | Pitch. Shoulder lift | 180 | Counter |
| 3 | 2? | End | Pitch. Elbow. Pwr set R65/66 | 157 | Counter |
| 4 | 4 | Angle | Pitch. DiffA1 Differential with 5 | 115 | Counter |
| 5 | 5 | Rotate | Yaw. DIffA2 4 and 5 make the wrist | 100 | Clockwise |
| 6 | 6 | External | (not used, could be extrude) | ||
| 6 | n/a | J20 bottom pin | Rotate Dynamixel | n/a | n/a |
| 7 | n/a | J20 bottom pin | Gripper Dynamixel | n/a | n/a |
* The direction of the rotation of the eye for Joint 5 is the opposite of the others.
** Development of the FPGA code started in the middle and so the numbering of the joints is not consistent. Specifically, when reading (or writing) the AdcCenters.txt file from the share folder, the 2nd and 4th, and 3rd and 5th, lines must be swapped
Status data for each of the joints is returned via the 'g' command oplet and automatically after most commands.
To search the Wiki, use the main search box in the black bar at the top, then select WiKi to filter the results or go to https://github.com/HaddingtonDynamics/Dexter/search?type=Wikis&q= and then add your search terms to the end of the URL.
To report errors, or request additional data, please chat with us on discord and/or raise a new issue