I created a new and improved version of this turntable. The new version uses an Arduino Uno, stepper motor, 1602 LCD screen and a 9g servo motor. The turntable is now able to automaticaly take photos 360 degress around which can be turned into a 3D-model using photogrammetry software. More info can be found here: https://hackaday.io/project/168301-arduino-controlled-photogrammetry-3d-scanner