Quantity   Component name
1 × Raspberry Pi Pico W The brains
1 × Coin cell vibrating motor
1 × Adafruit Neopixel RGB Ring 16 LEDS Light source
1 × Optical encoder knob with pushbutton
1 × DLP/SLA & FDM 3D Printed parts
1 × M2 Screws
1 × NPN 2222 but transistor
1 × 10K resistor 1/8 watt
1 × Diode