What we have built.

The original electronic gear-shift unit of the VanMoof S3 has well-known reliability issues. This project is a fully redesigned PCBA: better component selection, improved thermal dissipation, a more compact layout, and a direct drop-in replacement for the original unit.

• › Reverse engineering of the original PCB
• › Schematic capture in KiCad
• › New component selection (improved MOSFETs, better capacitors)
• › Optimised PCB layout for thermal behaviour
• › Drop-in replacement — no firmware changes required
• › Manufactured and tested as a working prototype

A native practice app for sight-reading music notation. Four adjustable parameters — level, key signature, tempo and instrument sound — make every exercise adapt instantly to the player, with live staff and keyboard display.

• › Native iOS and Android app built with Flutter
• › Adjustable difficulty: from whole notes to syncopation and sixteenth notes
• › All major and minor keys with correct key signatures
• › Built-in count-in metronome for landing exactly on tempo
• › Recorded instrument sounds: piano, guitar, organ, recorder

A platform where boaters share real-time reports of closed locks, obstacles, and police or municipal boats on Dutch waterways. Available as a website and as a native iOS/Android app.

• › Web application built with Next.js and React
• › Native iOS and Android app via Capacitor, with push notifications
• › Real-time data storage and sync with Firebase
• › User-generated reports, instantly visible to other boaters

A smart plug that monitors a washing machine or dryer's power consumption, automatically detects the start and end of a cycle, and sends a push notification the moment the laundry is done.

• › Firmware in C on Zephyr RTOS for ESP32-based hardware (Sonoff S60)
• › Energy monitoring to detect cycle start and end
• › Cloud backend on Firebase (Cloud Functions, Firestore, FCM)
• › React Native app (iOS/Android) with live device status and event history
• › Currently in development