V0 Display Interactive bom The board has: STM32F042F6P6 MCU with internal oscillator SWD header for easy debugging (not populated by default) Dual USB port (Vertical or Horizontal) with breakout pin header for USB header I2C Screen connections for 1.3" display with jumpers on back for slecting which pins (1 or 2) are power and ground EN11-style click encoder support Reset/kill button 3 GPIO pin header 1 on-board Neopixel with data line broken out for expansion In addition to the PCB and SMD parts (see BOM), you will need: Encoder Amazon/DigiKey Kill and Reset Switch 6mm Tactile buttons 4.3mm Tall An OLED display 1.3" Pin Header Assortment Male Dupont-Style and/or JST-XH Style (Can be nice for USB as it's polorized) Optionally you can get: Neopixels or look on ebay for bare 5050 Neopixels Micro USB port (Horizontal Molex 105017-0001 or equivalent Amazon) or (Vertical Molex 105017-0001)