Display
01A scrolling crypto ticker shown on a MAX7219 LED matrix.
Overview
Gizmo Ticker is a small always-on crypto display that feels more like a compact appliance than a demo board. The ESP32 keeps pulling live market data, the MAX7219 matrix turns it into a readable scrolling output, and the Nuxt app gives you a clean place to configure the device without reflashing firmware for every change.
- ESP32 firmware connected to WiFi for live market data
- MAX7219 LED matrix used as a compact scrolling display
- Nuxt 4 companion app for browser-based setup and updates
How it works
The project is built around a simple three-part flow.
| Step | What happens |
|---|---|
| Setup | The web app sends WiFi credentials, API keys, and display settings to the device over HTTP. |
| Runtime | The firmware stores those settings locally and keeps pulling market data in the background. |
| Output | The LED matrix renders the selected values as a readable scrolling ticker. |
That makes the whole build practical for a desk, shelf, or workbench setup instead of just a one-off prototype.
Why it is useful
Gizmo Ticker works well both as a daily crypto glance board and as a maker template for other connected displays. The same firmware-plus-web-app structure can be reused when you want a physical screen with local configuration and predictable runtime behavior.
- Use it as a dedicated live crypto display for a desk or shelf.
- Reuse the same device-plus-web-app pattern for other real-time display ideas.
- Adapt the project when you need local setup without repeated firmware reflashing.
