# LILYGO T-Beam SUPREME

> Build a LoRa tracking node around an ESP32-S3 and GNSS.

- **Category:** Radio & mesh
- **Availability:** Listed by maker
- **Price:** US$37.12 with L76K / US$50.04 with u-blox (at lilygo.cc), checked 2026-09-16
- **Good for:** Build a LoRa tracking node around an ESP32-S3 and GNSS.
- **You'll need:** Band-matched antenna, suitable battery and revision-matched firmware.
- **Trade-off:** GNSS module and radio band vary; the battery is a separate item.
- **Page:** https://gadgets.sh/devices/lilygo-t-beam-supreme/

## Where to buy

| Shop | Status | Link |
|---|---|---|
| LILYGO | Orderable | https://lilygo.cc/products/t-beam-supreme?utm_source=gadgets.sh&utm_medium=referral&utm_campaign=lilygo-t-beam-supreme&utm_content=api |
| Amazon | Orderable | https://www.amazon.com/dp/B0CXJ71NB6?utm_source=gadgets.sh&utm_medium=referral&utm_campaign=lilygo-t-beam-supreme&utm_content=api |

## Blueprint

**Schematics published.** LILYGO publishes full schematic PDFs (V3.0/V3.1 + core module) for T-Beam Supreme; no editable KiCad/Altium PCB source.

### Design files

- schematic: [T-Beam S3 Supreme schematic V3.1 (PDF)](https://github.com/Xinyuan-LilyGO/LilyGo-LoRa-Series/blob/master/schematic/T-Beam-S3-Supreme/T-Beam-S3-Supreme-V3.1.pdf) (PDF)
- schematic: [T-Beam S3 Supreme schematic V3.0 (PDF)](https://github.com/Xinyuan-LilyGO/LilyGo-LoRa-Series/blob/master/schematic/T-Beam-S3-Supreme/T-Beam-S3-Supreme-V3.0.pdf) (PDF)
- schematic: [T-Beam S3 Core module schematic (PDF)](https://github.com/Xinyuan-LilyGO/LilyGo-LoRa-Series/blob/master/schematic/T-Beam-S3-Supreme/T-Beam-S3-Core.pdf) (PDF)

### Source repositories

- [Xinyuan-LilyGO/LilyGo-LoRa-Series](https://github.com/Xinyuan-LilyGO/LilyGo-LoRa-Series) — hardware, ★994

### Key parts

| Part | Role | Datasheet |
|---|---|---|
| ESP32-S3 | MCU | https://www.espressif.com/sites/default/files/documentation/esp32-s3_datasheet_en.pdf |
| Semtech SX1262 (or LR1121 variant) | LoRa radio | https://www.semtech.com/products/wireless-rf/lora-connect/sx1262 |
| Bosch BME280 | Temperature/humidity/pressure sensor | https://www.bosch-sensortec.com/products/environmental-sensors/humidity-sensors-bme280/ |

_Notes:_ All three schematic PDFs verified live in Xinyuan-LilyGO/LilyGo-LoRa-Series (master branch), matching the batch's known_links. LR1121 has its own Semtech product page (verified reachable) for the LR1121-radio SKU.

## Specifications

### Compute & interfaces

| | |
|---|---|
| Controller | ESP32-S3FN8; dual-core LX7 |
| Memory | 8 MB flash; 8 MB QSPI PSRAM |
| Wi-Fi & Bluetooth | 2.4 GHz Wi-Fi and Bluetooth LE 5 |
| IMU | QMI8658 six-axis motion sensor |
| Controls | Boot on IO00, reset and power buttons |
| Display | 1.3-inch SH1106 OLED; 128 × 64; I²C |
| Environmental sensor | BME280 temperature, humidity and pressure |
| Magnetometer variants | QMC6310U, QMC6310N or QMC6309; check the board revision. |
| RTC | V3.1 schematic identifies PCF8563. |
| Expansion | MicroSD, external QWIIC/STEMMA QT connector and pin headers |
| Dimensions | 114 × 33 × 28 mm, as listed in the hardware wiki |

### Versions & software

| | |
|---|---|
| GNSS choices | Quectel L76K or u-blox MAX-M10S, depending on SKU |
| Frequency choices | 433, 868, 915 and 920 MHz SKUs; L76K 144–148 MHz option also listed |
| Factory software | LILYGO factory firmware or SoftRF, selected at order time |
| Development | Arduino, PlatformIO and MicroPython |
| Technical files | Board-specific pin maps, revision notes, example configuration and schematics |
| Arduino settings | 8 MB flash; QSPI PSRAM; select T_BEAM_S3_SUPREME_SX1262 or T_BEAM_S3_SUPREME_LR1121. |

### Power & revision limits

| | |
|---|---|
| Power input | USB-C 3.9–6 V or 3.7 V 18650 battery |
| Power manager | AXP2101; programmable charging 0–1024 mA |
| GNSS backup | The 18650 supplies GPS backup; removing it loses hot-start retention. |
| Switched rails | ALDO1: display/BME280/compass; ALDO3: radio; ALDO4: GNSS; BLDO1: SD; BLDO2: headers |
| V3.1 changes | QMC6309, battery protection and selectable BME280/OLED addresses |
| Radio families | SX1262 or LR1121 hardware; firmware and antenna arrangement must match. |
| LR1121 bands | Maker documents 830–945 MHz and 2.4–2.5 GHz for its LR1121 variant. |

### Build connections

| | |
|---|---|
| External signals | QWIIC socket exposes UART TX 43 / RX 44. |
| Sensor I²C | SDA 17 / SCL 18; PMU/RTC use SDA 42 / SCL 41. |
| Device addresses | OLED 0x3C/0x3D; BME280 0x77; RTC 0x51; AXP2101 0x34 |
| Magnetometer addresses | QMC6310U 0x1C; QMC6310N 0x3C; QMC6309 0x7C |
| Radio SPI | SCK 12 / MISO 13 / MOSI 11; CS 10 |
| SD/IMU SPI | SCK 36 / MISO 37 / MOSI 35; SD CS 47; IMU CS 34 |

## Firmware & community

- [Meshtastic for T-Beam Supreme](https://github.com/meshtastic/firmware) — ESP32-S3 + Semtech SX1262 LoRa build with AXP2101 power management and GNSS location reporting.

## Documentation

- [Maker specifications and documentation](https://lilygo.cc/products/t-beam-supreme)
- [Meshtastic supported hardware](https://meshtastic.org/docs/hardware/devices/)
- [Board examples and technical files](https://github.com/Xinyuan-LilyGO/LilyGo-LoRa-Series)
- [T-Beam Supreme hardware overview](https://wiki.lilygo.cc/products/t-beam-series/t-beam-supreme/)
- [T-Beam Supreme board-specific hardware reference](https://github.com/Xinyuan-LilyGO/LilyGo-LoRa-Series/blob/master/docs/en/t_beam_supreme/t_beam_supreme_hw.md)
- [T-Beam Supreme V3.1 schematic](https://github.com/Xinyuan-LilyGO/LilyGo-LoRa-Series/blob/master/schematic/T-Beam-S3-Supreme/T-Beam-S3-Supreme-V3.1.pdf)
- [T-Beam Supreme V3.0 schematic](https://github.com/Xinyuan-LilyGO/LilyGo-LoRa-Series/blob/master/schematic/T-Beam-S3-Supreme/T-Beam-S3-Supreme-V3.0.pdf)
- [Separate 144 MHz variant hardware reference](https://github.com/Xinyuan-LilyGO/LilyGo-LoRa-Series/blob/master/docs/en/t_beam_supreme/t_beam_supreme_144_hw.md)

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Source: gadgets.sh · https://gadgets.sh/devices/lilygo-t-beam-supreme/ · JSON: https://gadgets.sh/api/v1/devices/lilygo-t-beam-supreme.json