ESP32-C3 NFC AudioBox Auto Learning & Manual Mode
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Description
🧸 Full Description
Smart NFC Audio Player for Kids
This TonyBox is a DIY smart audio player based on ESP32-C3.
When an NFC tag is detected, the device automatically plays the assigned MP3 folder.
The project is designed to be:
- beginner-friendly
- highly reliable
- fully customizable
- perfect for kids
⭐ Key Features
✅ NFC tag playback (PN532 I2C)
✅ MP3 playback from microSD (DFPlayer Mini)
✅ WS2812 audio-reactive LEDs
✅ Physical control buttons
✅ Smart anti-repeat shuffle
✅ Two firmware options included
✅ Optional 18650 battery support
✅ USB-C powered
✅ Front and back images fully customizable
✅ Embedded NFC tag print-pause system
🖨️ IMPORTANT — Embedded NFC Tag During Print
The 3D model includes a print pause that allows you to embed the NFC tag inside the object.
How it works
- Start the print normally
- The printer pauses automatically
- Insert the NFC tag into the pocket
- Resume printing
✅ Clean professional look
✅ Child-safe design
📸 Reference images show exactly where to pause.
🖼️ Full Customization
The TonyBox is fully customizable.
You can easily change:
- 🎨 front image
- 🖼️ back image
- 🏷️ NFC tag graphics
- 🌈 LED effects
- 🔊 audio content
✅ Both front and back panels can be reprinted with your own design.
Perfect for:
- kids characters
- audiobooks
- personalized gifts
- educational projects
🧠 Firmware Options
🔵 Manual UID (Recommended)
Pros
- unlimited NFC tags
- maximum stability
- full control
Cons
- requires UID scanning step
🟢 Auto Learning
Pros
- very easy to use
- automatic tag learning
Limitations
- maximum 5 tags
- 6th tag overwrites the oldest
- PLAY button becomes LEARN
⚠️ These are two separate sketches.
🔘 Button Functions
Manual UID
- ▶ PLAY → play / pause
- ⏭ NEXT → next random track
- ⏮ PREV single → restart track
- ⏮ PREV double → previous track
Auto Learning
- ▶ becomes LEARN
- ⏭ NEXT active
- ⏮ PREV active
🔀 Smart Anti-Repeat System
The TonyBox:
- shuffles tracks
- avoids immediate repetition
- automatically regenerates the playlist
⚡ Recommended Power
- 5V 2A minimum
- 5V 3A recommended
Avoid weak USB ports.
License
You shall not share, sub-license, sell, rent, host, transfer, or distribute in any way the digital or 3D printed versions of this object, nor any other derivative work of this object in its digital or physical format (including - but not limited to - remixes of this object, and hosting on other digital platforms). The objects may not be used without permission in any way whatsoever in which you charge money, or collect fees.
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