Quantity   Component name
20 × LB1938H Micro DC Motor Low Voltage Driver Board DC2.2-10V
20 × DC 3v~5v 24000rpm Wasserproof Mini Coreless vibration Motor Micro Vibrator
1 × Arduino Mega
1 × Mega Sensor Shield V2.0 V2 für Arduino Mega 2560 R3 1280 Servo Motor Stepper
1 × RP-LIDAR: Low Cost 5hz 360 deg LIDAR ( I use the first version )