Marelleo, an open-source story box I built for my kids using ESP32
A box that plays a story when a child puts a figurine on top. Built for my three kids by someone who knew nothing about electronics: the breadboard, the potentiometer that burned, the five enclosures and the printed board.
Quick read
A first-person account of building Marelleo: an open-source RFID story box for children using an ESP32, breadboards, perfboard, 3D-printed enclosures and a rechargeable battery. The article explains design choices, safety lessons learned, and the hands-on process from prototype to more robust hardware so others can learn from the build.
- Plays audio when a figurine (RFID tag) is placed on it
- Describes parts used: ESP32, breadboard, perfboard, battery, 3D prints
- Covers safety, soldering, enclosure and reliability lessons learned
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Marelleo, an open-source story box I built for my kids using ESP32 was shared on NexURLs by Nexis on November 2, 2026, in Tech & AI.
What we found on this site
- Built with
- Jekyll
- Served through
- GitHub Pages
- Home page answered in
- 895 ms
- Trackers
- None found
- Ads
- None found
- RSS feed
- No
- AI crawlers
- Lets them in
- Set up for phones
- Yes
- Real-visitor speed
- Passes Core Web Vitals
- Popularity
- Top 200,000 domain (Cloudflare)
- Google safety check
- No threats found
- Domain registered
- 2021
- Domain renews
- June 2027
Checked November 2, 2026 from the site’s own code and public records. See how the rest of the web compares in the NexURLs Internet Report.
Quick answers
What is Marelleo, an open-source story box I built for my kids using ESP32?
Marelleo, an open-source story box I built for my kids using ESP32 (zebra.rodeo): A first-person account of building Marelleo: an open-source RFID story box for children using an ESP32, breadboards, perfboard, 3D-printed enclosures and a rechargeable battery. The article explains design choices, safety lessons learned, and the hands-on process from prototype to more robust...
Who shared Marelleo, an open-source story box I built for my kids using ESP32 on NexURLs?
It was shared by Nexis in November 2026. Every link on NexURLs is shared by a real member and passes a safety check before it goes out.
What are some sites like Marelleo, an open-source story box I built for my kids using ESP32?
Members found these close to it: Made an open-source Lego AI generator, One guy. No coding or art background. Two days. A world full of monsters., Open-Source Memory System for AI Coding Agents. The full list is on this page under Sites like Marelleo, an open-source story box I built for my kids using ESP32.
Sites like Marelleo, an open-source story box I built for my kids using ESP32
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- Open-Source Memory System for AI Coding Agentsgithub.com
LockIn is an open-source notebook for AI tools to save and organize notes. Users can self-host it and interact with...
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A site hosting Ben Eater's tutorial-style videos and projects about electronics, computer architecture, networking...
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