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Toogethr: The Smart Bell That Made Commuting Social Again

Graduation Project @ Toogethr
The Hague University of Applied Sciences

A happy Toogethr graduate

The Challenge: 1.2 People Per Car (And That's the Good News)

Post-lockdown, we all returned to the office. And brought back the worst habit: solo car commutes. The average rush-hour car carries just 1.2 people while spewing emissions and clogging roads.

But here's what really bugged me: we weren't just polluting the air. We were missing out on the social connections we'd craved during isolation.

The real question: How do you turn a lonely commute into a social routine?


My Mission: Sustain the Cycling Surge

During the pandemic, I bounced between Germany and the Netherlands. The contrast was brutal: German traffic jams vs. Dutch cycling culture.

My graduation project focused on a specific window of opportunity: the post-pandemic cycling boom. How could we turn temporary interest into lasting habits while rebuilding workplace social bonds?

Goal: Create bike-to-work habits with minimal digital friction, maximum real-world connection.

The Toogethr Ecosystem

  • Toogethr Parking – Smart parking management
  • Toogethr Carpool – Match commuters, reduce cars
  • Toogethr Cycles – Track rides, pair colleagues, earn rewards

Research: I Studied Memes (Seriously)

To understand commuting culture, I went deep into the internet's subconscious. Memes, TV shows ("Carpoolers"), social media rants about traffic. You name it, I consumed it.

Why? Because memes reveal what people actually think, not what they tell researchers.

Introductory Research: Exploring Memes about the Topic at hand

Learning from the Sharing Economy's Failures

I analyzed similar ecosystems (Couchsurfing, BlaBlaCar, Eatwith) to understand why great ideas fail. The goal: identify patterns and avoid repeating others' mistakes.

The 5-Why Method: Digging Deeper

I used the 5-Why technique to peel back layers and find the root problems along the office commuter's journey, both for carpoolers and people on bicycles.


Ideation: Five Concepts, One Winner

From my research emerged five distinct concepts. I explored, tested, and refined each one.

The wild card: An interactive traffic light survey that asked pedestrians waiting at red lights through a QR code sticked to the traffic light button through an interactive survey: "Did you know there are just 1.3 people per car, making your wait longer?" I ran this experiment with ~100 participants. While exciting, it was more of a public awareness campaign than a direct ecosystem improvement.

After all, I selected the office cycling community concept.

Low-Fidelity Prototypes

Tool: Digital paper (because sometimes the simplest tools work best)


The Two Questions That Guided Everything

How might we increase the likelihood of cycling to work?
How might we boost the sense of community at the office?

These became my North Star throughout the project.

User Stories: The People Behind the Problem

As aI needSo I can
Not-yet-cycling employeea sense of community when cyclingcombine fitness, fun, and connection
Experienced cyclistfind others to ride withmake my daily ride more social
HR / Office Managera visible way to promote active commutingimprove employee well-being and sustainability goals
Team Lead / Managerlightweight ways to encourage team bondingfoster a healthier, connected team culture
Sustainability Officerscalable interventionstrack real-world impact on emissions and commuting behavior

The Solution: A Bell That Talks

The Magic Fietsbel (Bike Bell)

A smart bicycle bell in the office hallway that connects to Slack. When someone wants to cycle home, they ring the bell. Colleagues get notified and can join the ride.

The genius part: It's physical, visible, and requires zero app downloads. Just ring and ride.

Mapping the Ecosystem

Tool: Miro


Building The Device: When Magic Happens

The Hardware: IoT Meets Simplicity

Smart bicycle bell with ESP32S microcontroller, touch sensor, WiFi, and Slack API integration.

The moment it came to life was pure magic: the bell started sending messages to Slack, and colleagues actually replied. A physical object became a social catalyst.

Project Management: GitHub Projects with classic Kanban board

😺 GitHub: philffm/magicFietsbel

The Software: Making Strangers Talk

The real challenge wasn't getting people to cycle—it was getting them to talk to each other. I built conversation starters into the Slack integration to break the ice between colleagues.

Beyond Slack: The Universal App

I created a fallback solution that works independently of Slack. One codebase, multiple platforms: smartphone, browser, or browser extension.


Demo & Next Steps

Potential Next Steps:

  • Expand notification channels
  • Enhance social features
  • Scale to multiple office locations
  • Integrate with existing mobility solutions