4dof Robotic ARM acrylic arduino DIY kit SG90 SNAM1900

manual ：https://www.makerbuying.com/docs/snam500 4dof Robotic ARM acrylic arduino DIY kit SG90 SNAM1900 SNARM Control is also very simple, with four knobs to control the movement of each potentiometer. After connecting to the computer with USB, you can send commands through the serial port to control the movement of the servo. At the same time compatible with other computer control software, also supports their own write procedures, the implementation of fixed repetitive action. < Custom provide video> Note: 1.this kit needs assembly by yourself. 2. extension board need weld Package list: 1,black acrylic cutting 1 set 2,SG90 9g  servo 4 pcs 3, Arduino UNO 1 pcs 4, Arduino extension board  1 pcs(need weld) 5. screw some 6. 5V 2A power adapter US plug …………………………………………………………………….. Online Manual …………………………..