# T-Mini E-Paper S3 (LILYGO)

> A tiny ESP32-S3 board with a 1.02-inch e-paper display and an 18350 battery holder, sold with Meshtastic as an option.

- **Category:** Boards & controllers
- **Availability:** Listed by maker
- **Price:** US$40.81 (at lilygo.cc), checked 2026-09-17
- **Good for:** A pocket e-paper badge or status display.
- **You'll need:** An 18350 cell and your own firmware.
- **Trade-off:** Small memory; LoRa only on the Meshtastic variant.
- **Page:** https://gadgets.sh/devices/lilygo-t-mini-epaper-s3/

## Where to buy

| Shop | Status | Link |
|---|---|---|
| LILYGO | Orderable | https://lilygo.cc/products/t-mini-epaper-s3?utm_source=gadgets.sh&utm_medium=referral&utm_campaign=lilygo-t-mini-epaper-s3&utm_content=api |
| OpenELAB | Orderable | https://openelab.com/products/lilygo-t-mini-e-paper-s3?utm_source=gadgets.sh&utm_medium=referral&utm_campaign=lilygo-t-mini-epaper-s3&utm_content=api |
| OpenELAB | Sold out at OpenELAB | https://openelab.io/products/lilygo-t-s3-sx1262?utm_source=gadgets.sh&utm_medium=referral&utm_campaign=lilygo-t-mini-epaper-s3&utm_content=api |

## Blueprint

**Schematics published.** LILYGO's Mini-Epaper-S3 repo has PDF schematics (two hardware revisions) and an STL enclosure; no editable PCB source.

### Design files

- schematic: [Mini-Epaper-S3 V1.2 schematic (PDF)](https://github.com/Xinyuan-LilyGO/LilyGO-Mini-Epaper-S3/blob/main/schematic/Mini-Epaper-S3-V1.2.pdf) (PDF)
- enclosure: [Mini-Epaper-S3 box shell (STL)](https://github.com/Xinyuan-LilyGO/LilyGO-Mini-Epaper-S3/blob/main/3D_file/box_shell.stl) (STL)

### Source repositories

- [Xinyuan-LilyGO/LilyGO-Mini-Epaper-S3](https://github.com/Xinyuan-LilyGO/LilyGO-Mini-Epaper-S3) — hardware, MIT, ★3

### Key parts

| Part | Role | Datasheet |
|---|---|---|
| ESP32-S3FN4R2 | MCU | https://www.espressif.com/sites/default/files/documentation/esp32-s3_datasheet_en.pdf |
| LIS3DH | accelerometer (companion LoRa shield) |  |

_Notes:_ MIT-licensed repo confirmed as 'LilyGO-Mini-Epaper-S3' (note: two near-duplicate repos exist in the org under slightly different capitalizations/names; this is the one with schematic + 3D files matching the product page's 128x80 e-paper spec).

### Raw source files

Direct links an agent or KiCad can open (the viewer on the page reads the same files).

- 3D model (STL, 0.1 MB): [Mini-Epaper-S3 box shell (STL)](https://raw.githubusercontent.com/Xinyuan-LilyGO/LilyGO-Mini-Epaper-S3/main/3D_file/box_shell.stl)

## Specifications

### Core hardware

| | |
|---|---|
| Processor | ESP32-S3FN4R2 · 4 MB flash · 2 MB PSRAM |
| Display | 1.02″ e-paper · 128 × 80 |
| Radios | 2.4 GHz Wi-Fi · Bluetooth 5 LE (LoRa only on the Meshtastic version) |
| Power | 18350 battery supported, not included |

### Details from the product page

| | |
|---|---|
| Storage | TF card |
| Battery | No battery in the box; 18350 cell supported |
| Development | Arduino, PlatformIO |

### Buying

| | |
|---|---|
| Price | US$40.81 on lilygo.cc |
| Availability | In stock on the day of review |

## Documentation

- [Maker product page](https://lilygo.cc/products/t-mini-epaper-s3)
- [LILYGO GitHub organisation](https://github.com/Xinyuan-LilyGO)
- [LILYGO FAQ and support](https://lilygo.cc/pages/faqs)

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Source: gadgets.sh · https://gadgets.sh/devices/lilygo-t-mini-epaper-s3/ · JSON: https://gadgets.sh/api/v1/devices/lilygo-t-mini-epaper-s3.json