Review on Enhance Your DIY Robot Project with the LAFVIN 4DOF Acrylic Robot Mechanical Arm Claw Kit — Perfect for Arduino IDE with CD Tutorial! by Jennifer Hulett

1. There was no programming on the disc. I only found it by looking at the reviews and saw that someone else is using the QR code on the disc has to put the files online. At least one servo is defective - it only moves partially from what it is supposed to.3. The pieces came out broken from the sheet.4. The USB power supply may not be sufficient. He is shaking very violently, as if unable to hold his position. I'll come back for a replacement. It's quite annoying.