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4-Layer USB-C General-Purpose Dev Board (STM32H7)

by KiNecta Labs · Aug 27, 2026 · Hardware design · ⬇ 0 downloads

Compact 4-layer dev board: STM32H743, USB-C FS/HS, QSPI flash, SD, PMIC, castellated edges.

A weekend-workhorse dev board.

- STM32H743 @ 480 MHz, 2 MB flash, 1 MB RAM
- USB-C (CC handled on-board) with FS + HS PHY footprint
- QSPI NOR 128 Mbit, microSD, 512 Mbit SDRAM option
- 4-layer stackup with impedance-controlled USB diff pairs (90 Ω)

Package contains full KiNecta project, fab-ready Gerbers (X2), and a 1.1 BOM with LCSC part numbers.

stm32 usb-c dev-board 4-layer gerbers