Arduino Uno A4988 Motor Controllers (3) TIP120 (2) or Dual Replay Module HC-05 Bluetooth Module Nema 17 Stepper Motor (2) 28BYJ-48 Stepper Motor MG996R Servo MG90S Servo (2) 5V Liquid Pump (2) One Way Value (2) Photoresistor 220 Resistor (2) Lever Switch Neopixels 12V to 5V Voltage Divider (2) 12V 30W Power Supply Ball Bearings Scavenged 3D printer parts