Quantity   Component name
1 × Breadboard (China) Electronic Components / Misc. Electronic Components
1 × Oled display 128 x64 pixels (SSD1306) (China)
1 × Rotary encoder with switch in shaft (Sparkfun)
1 × Glowbit rainbow (Core electronics, Australia)
1 × Raspberry Pi Pico (Core electronics)
1 × Various connectors
1 × Standard Rotary library from micropython
1 × Standard SSD1306 I2C library from micropython
1 × Pi Pico PIO example for neopixels (adapted)