This is an economical 4 degrees of freedom robotic arm, each joint is driven by a sg90 steering gear, the whole is made of wood material, and the weight is light. It can be controlled by arduino or Raspberry Pi microcontroller. This consist of just the wooden framework.
Packing list:
1. A set of Laser cut wood
2. Pack of screws
Application
it is used in Robotic Arm chasis
please note that servos are not included