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)