# DFRobot FireBeetle 2 ESP32-E (DFR0654) — board outline, 4 × Ø2.0 mounting holes, USB-C and module

> What are the DFRobot FireBeetle 2 ESP32-E dimensions and mounting-hole positions?

- Category: Electronic components › Microcontroller boards
- Kind: Modern device
- Basis: DFRobot's DFR0654 3D STEP model v1.0, with 25.4 × 60.0 mm confirmed by the DFR0654 dimension drawing v1.0 (DFRobot wiki).
- Page: https://xemstudio.com/objects/dfrobot-firebeetle-2-esp32-e-dfr0654/ · JSON: https://xemstudio.com/api/geometry?object=dfrobot-firebeetle-2-esp32-e-dfr0654 · Plain text: https://xemstudio.com/objects/dfrobot-firebeetle-2-esp32-e-dfr0654/sheet.txt
- License: dimension sheet CC BY 4.0 (Xem Studio); files CC BY 4.0 or their publisher's license
- Use in every chat: add https://xemstudio.com/mcp as a connector (https://xemstudio.com/use-with-ai/)

## Overall (mm)

| length | width | height |
|---|---|---|
| 61.47 | 25.4 | 6.62 |

**Exact dimensions.** Every file is drawn at true size with no tolerance added. The holes and pins that meet another part are listed below under Mating features, with the fit each joint needs; open those by your process's clearance before making the part.

## Notes

- Exact nominal dimensions. PCB 25.4 × 60.0 × 1.6 mm, R1.5 corners; datum is the board centre, bottom on z=0; +Y is the USB-C end, −Y the ESP32 antenna end.
- Four mounting holes Ø2.0 at (±11.0, ±28.3): a 22.0 × 56.6 mm pattern.
- USB-C receptacle 9.0 mm wide at x −4.5…+4.5, protruding 1.47 mm past the +Y edge, top 3.8 mm above the board bottom.
- Tallest part: PH2.0 battery connector at x +5.26…+12.7 (flush with the +X edge), y +11.64…+19.64, top at 6.62 mm. ESP32-WROOM-32E module flush with the −Y edge, shield can top at 4.62 mm.
- Not modelled: the 1×16 and 1×12 pin headers (ship unsoldered), castellated pads, RST/BOOT buttons, GDI display connector and small parts.

## Mating features (exact size; open press / slide / run / socket by your process clearance, leave designed and clamp as drawn)

| feature | exact | mates with | fit | files |
|---|---|---|---|---|
| mounting holes | 4 × Ø2.0 on 22.0 × 56.6; PCB 25.4 × 60.0 × 1.6 | M2 screws or M2 standoffs | designed | all |
| USB-C port | 9.0 wide, top 3.8 above board bottom, 1.47 past the +Y edge | USB-C cable opening in the case end wall | designed | all |
| battery connector | JST PH 2.0 at the +X edge, top 6.62 | LiPo lead with JST PH plug | designed | all |

## Sizes

| hole | x mm | y mm | diameter mm |
|---|---|---|---|
| 1 | -11.0 | 28.3 | 2.0 |
| 2 | 11.0 | 28.3 | 2.0 |
| 3 | -11.0 | -28.3 | 2.0 |
| 4 | 11.0 | -28.3 | 2.0 |

## Where the files are

- DFRobot: [FireBeetle 2 ESP32-E (DFR0654) wiki — dimension drawing and STEP](https://wiki.dfrobot.com/FireBeetle_Board_ESP32_E_SKU_DFR0654) — web — Publisher's page; dimensions are facts
- CPC Farnell: [DFRobot DFR0654 FireBeetle 2 ESP32-E](https://cpc.farnell.com/dfrobot/dfr0654/firebeetle-2-esp32-e-iot-microcontroller/dp/SC21018) — web — Publisher's page; dimensions are facts

## Free STEP/STL (1 parts, CC BY 4.0, Xem Studio)

Index: https://xemstudio.com/files/hardware/dfrobot-firebeetle-2-esp32-e-dfr0654/index.json

- dfrobot-firebeetle-2-esp32-e-dfr0654: [STEP](https://xemstudio.com/files/hardware/dfrobot-firebeetle-2-esp32-e-dfr0654/dfrobot-firebeetle-2-esp32-e-dfr0654.step) · [STL](https://xemstudio.com/files/hardware/dfrobot-firebeetle-2-esp32-e-dfr0654/dfrobot-firebeetle-2-esp32-e-dfr0654.stl) — DFRobot FireBeetle 2 ESP32-E (DFR0654) — board outline, 4 × Ø2.0 mounting holes, USB-C and module

## Questions

**How big is the FireBeetle 2 ESP32-E?**

25.4 × 60.0 mm PCB, 1.6 mm thick; 61.47 mm long including the USB-C overhang, 6.62 mm tall at the battery connector.

**What is the FireBeetle 2 ESP32-E hole pattern?**

Four Ø2.0 mm holes on a 22.0 × 56.6 mm rectangle, centred on the board.

**Where is the USB-C port?**

Centred on the +Y short edge, 9.0 mm wide, sticking out 1.47 mm, top 3.8 mm above the board bottom.

## Fits with

- [Espressif ESP32-DevKitC](https://xemstudio.com/objects/esp32-devkitc/)
- [Adafruit Feather ESP32-S3](https://xemstudio.com/objects/adafruit-feather-esp32-s3/)
- [JST PH connector (2.0 mm pitch): wire, ratings, circuits](https://xemstudio.com/objects/jst-ph-connector/)
- [2.54 mm pin headers, 1×2 to 2×20, vertical and right-angle](https://xemstudio.com/objects/pin-headers-2.54mm/)
- [Threaded standoffs, M2.5 and M3 (hex and round)](https://xemstudio.com/objects/threaded-standoffs-metric/)
- [WEMOS LOLIN S2 mini (ESP32-S2)](https://xemstudio.com/objects/wemos-lolin-s2-mini-esp32-s2/)