This is my first project that I want to achieve during summer. I have done some researches about Vending Machine project and bought most of the components except for motors because continuous servo motors are a little expensive and I accidentally bought the sg90 servo motors that can only rotate 180 degrees. I also looked for way to mod these motors but unsuccessful due to different mechanical design of the motors. For some reasons, I have feeling that continuous servo motors are not the best way to go with. Therefore, I want to ask if any ones have any experiences with this project and know which are the best motors to buy to accomplish this project?
Any helps would be appreciated.