WebApp · Non-Profit

Clock of Change — Lightweight WebApp on Raspberry Pi

A REST-based WebApp controlling a non-profit project: 16-segment display, multilingual management, running entirely on a Raspberry Pi 3b+.

Clock of Change device with 16-segment display

Industry: Non-profit · Embedded
Project type: Embedded WebApp
Hardware: Raspberry Pi 3b+
Languages: DE · EN · FR · ES

Context

Client Context

A non-profit organization ran the 'Clock of Change' project — a physical device with a 16-segment display showing messages to an international audience.

The control surface needed to be simple: manage content through a WebApp, edit multilingual messages, configure WiFi. But everything had to run on the Raspberry Pi 3b+ that already drives the display.

Challenge

Build a WebApp that runs on a Raspberry Pi 3b+ with minimal RAM and CPU — and that handles administration, multilingual content, and display control through a single interface.

Solution

REST architecture with Node.js, Vue.js, and NuxtJS — deliberately lightweight, no unnecessary build steps or frameworks. SQLite as the local database: no separate DB process, no network overhead.

Admin and user roles, scrolling-text management for the display, WiFi configuration, and 4-language support (DE, EN, FR, ES) — all in one intuitive interface.

Result

Functional WebApp running on a 5+ year-old Raspberry Pi 3b+ with minimal resource use. The non-profit manages content independently, no developer required.

1× Pi 3b+: Hardware footprint
4: Languages supported
100%: Self-service administration