Welcome to DOFBOT Pro repository
5. Precautions for DIY Robotic Arm
DIY Robotic Arm Precautions
Note: When the robotic arm is gripping objects, you need to control the gripper angle. Improper angle settings may cause the servo to stall and burn out.
Here is a compiled table of gripper angle correspondences, recording the approximate servo angle required to grip objects every 0.5 centimeters in size.
You can reasonably adjust the angle settings during gripping based on this table to avoid servo stalling.
| Object Length (cm) | Servo Angle (degrees) |
|---|---|
| 0 | 180 |
| 0.5 | 176 |
| 1.0 | 168 |
| 1.5 | 160 |
| 2.0 | 152 |
| 2.5 | 143 |
| 3.0 | 134 |
| 3.5 | 125 |
| 4.0 | 115 |
| 4.5 | 105 |
| 5.0 | 95 |
| 5.5 | 80 |
| 6.0 | 57 |
| 6.0-6.4 | 0-57 |
For example, the vision recognition block we provide has length, width, and height of 3cm each, so setting the servo angle to 134° will allow it to grip properly. Do not set the angle too large.
Note: This product includes four different sizes and shapes of wooden blocks. It is essential to strictly adhere to the block dimensions specified in the tutorial when performing gripping operations. If the program is configured to grip a 3cm square block, but a 4cm square block is actually placed for gripping, it will result in damage to Servo No. 6.
