This project is about prosthetic arms for people with disabilities, as Thailand currently has 3.7 million people with disabilities, accounting for 5.5% of the total population, of which 49.65 percent are mobility-impaired, of whom more than 50,000 are handicapped. revenue and tends to increase steadily the organizers therefore see the importance of creating a prosthetic arm for the disabled to facilitate the life of the physically handicapped in the arm and hand. in picking up things, etc. The prosthetic arm project for the disabled has been prepared. 1.To study prosthetic arms for people with disabilities to make life more convenient and easier. 2. To design prosthetic arms for people with disabilities to be suitable for each individual. and 3. to create and develop prosthetic arms for people with disabilities to live more conveniently and actually works. The organizers have planned by researching information related to the selected project topic and understand the information followed by design. It is a design in two ways: designing the function of the workpiece and designing the 3D design of the workpiece. along with the assembly of the workpiece and test the work according to the objectives. Along with the errors that occurred, it was concluded that the prosthetic arm was able to catch objects. Can move all 5 fingers and can set gestures by pressing 3 buttons, which can be commanded in each position. finger pointing gesture Saying I love you using three fingers and thumbs-up gestures to show appreciation, etc.