Marijn Saedt

All projects

Render of the two OLED screens on the prototype PCB: the start-up screen and the charging screen
Internship · Waaijenberg2026 – now

Canta battery indicator

A microcontroller module that reads the Canta's battery data from the CAN bus and shows it clearly: first with smarter LEDs, then on an OLED display and a custom PCB.

  • C++
  • STM32
  • CAN bus
  • OLED
  • PCB design
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Internship · Quintess2023

Room-state module

A module that senses temperature, humidity and presence, and reports to a PRIVA building controller over LoRa and BACnet.

  • LoRa
  • BACnet
  • Sensors
  • Microcontroller
Illustration of my Home Assistant dashboard with demo data: main view, living-room lights and robot vacuum
Personal2026

Home Assistant dashboard

A Dutch-language smart-home dashboard I rebuilt from scratch for my new house: lights per room with saved favourites, presence, waste collection, a robot vacuum and more in one overview.

  • Home Assistant
  • YAML
  • Automations
  • Zigbee2MQTT
  • Bubble Card
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Internship · Contecto2021–2022

PCB assembly & testing

Soldered and tested THT and SMD printed circuit boards for production.

  • SMD
  • THT
  • Testing
Internship · Verhulst2020

Wire-resistance test system

Helped build a system for measuring and testing the resistance of wires.

  • Test & measurement
  • Wiring
Illustration of the four VHDL assignments: a traffic light and driver on seven-segment displays, a rotating segment, and a VGA output with coloured boxes and circles
School · HAN2025

FPGA design in VHDL

Four VHDL assignments on an FPGA board: a seven-segment driver, a traffic light, a rotating display and a VGA controller.

  • VHDL
  • FPGA
  • Quartus
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Illustration of the signal-processing assignments: the response of the moving average, the response of the FIR band-pass filter and the real-time chain from ADC to DAC
School · HAN2026

Digital signal processing in C++

From complex numbers and an FFT to a real-time FIR band-pass filter running on an STM32.

  • C++
  • FFT
  • FIR filters
  • STM32
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School · HANComing soon

PCB design project

Details coming soon.

  • Altium Designer
  • C

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