STM32F4 Discovery
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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”ST’s own STM32F407VG evaluation board — Cortex-M4 with FPU and a far wider pin map than the pill boards, which is the reason to choose it: the F407 brings out peripherals the 48-pin boards never expose.
It is the largest STM32 in the catalog by pin count, so it is also the one to place when a project has simply run out of pins elsewhere.
Start here
Section titled “Start here”New STM32F4 Discovery project opens the editor with this board and a working blink sketch. STM32 boards need a paid plan — see plans.
Pins (30)
Section titled “Pins (30)”- 3V3
- GND
- PA0
- PA1
- PA2
- PA3
- PA4
- PA5
- PA6
- PA7
- PB0
- PB1
- PB2
- PE0
- PE1
- 5V
- GND
- PD12
- PD13
- PD14
- PD15
- PC0
- PC1
- PC2
- PC3
- PB6
- PB7
- PB8
- PB9
- PE2
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.