Kode Dot: Open-Source All-in-One Device for Makers

The Story of Kode Dot — from Idea to Kickstarter

Kode Dot is an open-source, all-in-one device built around the ESP32-S3 that turns your ideas into real projects. It was born from a simple frustration: prototyping shouldn’t feel like starting from scratch every time. After a year of design, multiple iterations, and 50 hand-assembled beta units, we are now live on Kickstarter to bring it to makers everywhere.

The spark

One year ago—after yet another tangle of shields, temperamental displays, and outdated libraries—we said “enough.” We wanted a real multitool for makers: open the box, power on, and build. No bag of parts, no bug-hunt, no “hello world” fight.So we make the decision: build the best maker device we could, with a workflow that goes from idea → project in minutes.

Early iterations (paper → Figma → PCB)

We started with notebooks and Figma mockups, then moved to ugly PCBs only we could love. Each cycle pushed us toward a clear vision:

• Everything integrated: AMOLED touch display, audio (mic + speaker), IMU, microSD, GPIO, battery, and power management.
• Modern brain: ESP32-S3 for native USB-CDC/JTAG, Wi-Fi/BLE, and a huge community.
• App system: every sketch becomes an app you can run on any Kode Dot and share in seconds.

Why each part—and what it gives to makers

• ESP32-S3 MCU — dual-core, great dev experience, native USB for easy flashing/debug, Wi-Fi/BLE for connected builds, massive community.
• Custom capacitive AMOLED — we hunted screens for weeks, testing color fidelity, contrast, touch latency, and LVGL performance. We worked with suppliers to get a panel tailored for Kode: crisp, fast, and stable.
• Integrated audio (mic + speaker) — assistants, effects, games, meters, TTS.
• 9-axis IMU (accel + gyro + magnetometer) — gestures, orientation, motion control, games, sensor learning.
• microSD — stores apps and assets (icons, audio, layouts). Copy/paste = install.
• Thoughtful power (PMIC + fuel gauge) — safe USB-C charging, real battery readings, 5 V / 2 A accessory bus.
• Top/bottom connectors — for modules (Meshtastic, IR, NFC/RFID) and peripherals.

How Kode Dot works

KodeOS turns your Arduino/ESP-IDF sketches into apps that show up in a launcher. You drop the compiled binary and assets onto the microSD, pick an icon/category, and you’re done: run, share, repeat.

• Idea → App: compile → “Create App” → shows up in the launcher.
• No wiring: display, audio, sensors and storage are already there.
• Shareable: zip your app folder or commit it to a repo; anyone can run it.

The screen quest (and why it matters)

The display was the toughest challenge. We talked to multiple vendors; ordered samples; measured brightness, viewing angles, touch accuracy, LVGL frame times, and power at different patterns. We tweaked timings and the graphics pipeline until the UI felt instant. The result is a maker-grade capacitive AMOLED that doesn’t “just work”—it delights.

50 units, one by one

Before scaling, we hand-assembled 50 units. Why?

• To understand manufacturing from the inside (tolerances, adhesives, diffusers, screws, test jigs).
• To learn where assembly breaks down and what to redesign.
• To sell to real beta testers and get honest feedback.

Those units shipped to several countries. We learned everything—from button feel to small tweaks in audio and thermals. Every note went into the backlog and became a change.

Why we made it

Because prototyping should feel creative, not fragile. We built Kode Dot so your first day is about making things, not babysitting hardware: you can spin up a clean on-device decibel meter with a real UI, try a mini-game in minutes, plug in the top module to use Meshtastic without the spaghetti setup, and record/play back audio without chasing broken drivers.

Open-source and community

We publish tutorials, examples, and the app structure. Design files and schematics will be released after the campaign. A living roadmap with stretch goals (IR, vibration motor, NFC/RFID) and modules.If you build something cool, we’ll feature it. If you get stuck, open an issue—we want to grow this together.

And now… Kickstarter 🚀

With the design consolidated and the lessons from 50 units, we’re taking the leap: Kickstarter to fund mass production and reach more makers. We would love to have you in the project too!

Credits

Luismi (CTO) — FW architecture, kodeOS app system, LVGL UI.

Quero (CEO) — Product vision, design direction, community & partnerships.

Beta testers — For pushing Kode to the limit and giving invaluable feedback.