STM32 Black Pill (F401CE)
The board as it appears on the Velxio canvas, with its full pin map
read live from the simulator (regenerated by scripts/gen-boards.mjs,
so it always matches what you can wire).

Family: STM32 · Languages: Arduino C++
About this board
Section titled “About this board”The STM32F401CE Black Pill — Cortex-M4 with FPU, the smaller of the two Black Pills in the catalog.
Everything written for the F411CE applies at the API level; what differs is memory and maximum clock, both of which are modeled here rather than assumed.
Start here
Section titled “Start here”New Black Pill F401 project opens the editor with this board and a working blink sketch. STM32 boards need a paid plan — see plans.
Pins (40)
Section titled “Pins (40)”- VBAT
- PC13
- PC14
- PC15
- NRST
- PA0
- PA1
- PA2
- PA3
- PA4
- PA5
- PA6
- PA7
- PB0
- PB1
- PB2
- PB10
- 3V3
- GND
- 5V
- 3V3
- GND
- 5V
- PB9
- PB8
- PB7
- PB6
- PB5
- PB4
- PB3
- PA15
- PA12
- PA11
- PA10
- PA9
- PA8
- PB15
- PB14
- PB13
- PB12
Every pin above is clickable on the canvas — click one to start a wire. Board-level behavior, quirks and example links live on the family page.