EwoudElectronics & PCB design

High school student · Massachusetts

Hi, I'm Ewoud.
I build electronics.

I'm a 10th-grade student at Lincoln-Sudbury. I design PCBs, mostly for my custom laptop and other hardware projects.

About me

My projects

4 hardware projects
CAD view of the open Ducktop2 laptop with its display, keyboard area, and trackpadCase CAD
01 / Custom laptop

Ducktop2

A 16-inch laptop I'm designing around the LattePanda Mu Ultra, with a custom eight-layer motherboard and separate I/O boards.

Routing in progress

  • KiCad
  • 8-layer PCB
  • PCIe
  • Power electronics
  • Mechanical CAD
Project details
KiCad 3D render of the compact green STM32 board with USB-C, buttons, and two rows of header padsPCB render
02 / Microcontroller hardware

STM32 development board

A 24 × 44 mm STM32F411 board with USB-C, microSD, and SWD. Four layers, with components on both sides.

Design complete · awaiting fabrication

  • STM32F411
  • 4-layer PCB
  • USB-C
Top-side CAD render of the rectangular green battery management board with monitoring and protection circuitryPCB render
03 / Ducktop2 subsystem

Battery management & charging

The three-cell battery board for Ducktop2, with cell monitoring, current sensing, and separate charge and discharge protection.

BMS routed · bench tests pending

  • BQ76922
  • ISL9241
  • 3S battery
CAD render of the BLDC motor controller showing power capacitors, three-phase bridge components, MCU, and connectorsPCB render
04 / Power electronics

BLDC motor controller

An STM32G4 controller for brushless motors, with a three-phase power stage, current sensing, and hardware protection.

PCB routed · not powered yet

  • STM32G4
  • DRV8353S
  • MOSFET inverter

These are CAD renders and PCB layouts. Each project page includes its current build and testing status.

Tools & skills

View resume

Board design

  • KiCad
  • Schematic design
  • Multilayer PCB layout
  • Differential-pair routing
  • Component selection

Electronics

  • Power electronics
  • Microcontroller hardware
  • Battery circuits
  • Motor-controller design

Tools & software

  • Git & GitHub
  • Linux
  • Basic Python
  • Basic C#

Project files

Schematics, layouts, and code

I keep the source files and build notes on GitHub.

GitHub