Cokoino
Robot Claw with Metal Servo for Arduino/Raspberry Pi/Microbit DIY
Robot Claw with Metal Servo for Arduino/Raspberry Pi/Microbit DIY
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Robot Claw with Metal Servo for Arduino/Raspberry Pi/Microbit DIY, Building Robotic Arm Clamp for STEM Education, Mechanical Arm Robot Grapper for Teens and Adalts
Small errors were correcred quickly. I feel the product is great
This is a nice claw with a good metal servo. Your basically paying for the servo and getting the claw for free. The claw is plastic and isn't perfect but works good for a basic function to build a claw robot for a demo or project.
This robotic claw from LK COKOINO is a fairly good product. It includes: a servo motor (MG996R), acrylic pieces that make up the claws, all hardware required for assembly as well as a screwdriver and small wrench.
The Good:
- All parts come in clearly labeled bags.
- The kit includes a link to various files that include sample code and documentation. Everything is very good with background information, testing and assembly instructions. Although Step 3 in the claw assembly was completely missing. The parts for that step were shown, but not the actual assembly.
- The motor is strong enough to operate the claws, but they are not able to squeeze an object very tightly.
- The quality of the components are good.
The Bad:
- It is tricky to ensure the jaws get set appropriately, so they open and close correctly when the code runs. I dissembled and reassembled them many times, and am still not quite happy with how they close. They either did not fully closed, or they closed too far.
- While one side of the jaws has the splined servo panel and a bearing to ensure the jaws do not contact the metal bracket, the other side has nothing. I 3D printed some thin washers to help mitigate the issue, but the solution is not perfect. The problem is, if you tighten the lock nuts too tight, the jaws do not operate effectively (too much resistance), but if they're too loose, the jaws tilt toward the tips and rub on the bracket which also creates resistance and noise.
- It was a struggle to thread some of the screws into one of the servo panels. I stripped a couple screws just trying to get them started. All other screws threaded just fine.
Overall, it is a fun addition to many robotics projects, but don't expect anything heavy duty and industrial.
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