# FeatherS3 \[D\] ESP32-S3 Development Board

**Type:** Product page · **SKU:** CE10241 · **Brand:** [Unexpected Maker](https://core-electronics.com.au/brands/unexpected-maker)
**Page:** https://core-electronics.com.au/unxpected-maker-feathers3-esp32-s3-development-board-d.html ([markdown](https://core-electronics.com.au/unxpected-maker-feathers3-esp32-s3-development-board-d.html.md))

The ESP32-S3 in the Feather Format with a few more features than the average board!

## Pricing

- **Price:** $36.85 (inc GST) — $33.50 AUD, exc GST

## Availability & dispatch

- Available with a lead time — expect dispatch between Aug 17 and Aug 17.

## Description

The Unexpected Maker FeatherS3 \[D\] delivers powerful ESP32-S3 performance in a [Maker-loved board configuration](https://core-electronics.com.au/f/feather.html).

Designed with robust power management, built-in LiPo charging, USB-C with protection circuitry, and two STEMMA QT connectors, the FeatherS3 \[D\] enables effortless project builds- from wireless data loggers to low-power controllers. The 21 GPIO pins are broken out and full [FeatherWing compatibility](https://core-electronics.com.au/f/feather/feather-wings.html), allowing this board to be prototyped with in a breadboard, or baked into a custom configuration in a project.

### Technical Specifications

- Microcontroller: ESP32-S3, 32-bit dual-core 240 MHz with RISC-V ultra-low-power coprocessor
- Wireless: 2.4 GHz WiFi (802.11 b/g/n); Bluetooth 5, BLE + Mesh
- Memory: 16 MB QSPI flash; 8 MB additional QSPI PSRAM
- Power: Dual 700 mA 3.3 V LDO regulators; ultra-low deep-sleep current
- USB-C: Reverse-feed protection plus USB-serial JTAG interface
- Battery: LiPo charging circuit; VBAT voltage measurement; 5 V presence detection
- LEDs: Low-power RGB; power (red) and charge (orange) status indicators
- Connectors: 2 × STEMMA QT (Qwiic compatible), JST-PH 2.0 mm for LiPo
- GPIO: 21 pins accessible via headers (Feather layout)
- Antennas: Onboard high-gain 3D antenna and u.FL external connector (switchable in software via RF switch; onboard selected by default for safety, GPIO41)
- Dimensions: 52.3 mm × 22.9 mm; maximum thickness 6.6 mm (at JST battery port)
 
 
### Compatibility

 | Platform | Details |
|---|---|
| CircuitPython | Pre-installed UF2 bootloader; easily updatable from [circuitpython.org](https://circuitpython.org/board/unexpectedmaker_feathers3/) |
| ESP-IDF | Supported for C/C++ development with Espressif SDK |
| MicroPython | Community builds available |
| Arduino | ESP32-S3 board support for Arduino IDE |
| PlatformIO | Multi-platform environment via Visual Studio Code or CLI |

### Additional Resources

- [Schematics, 3-D Models, and KICAD](https://github.com/UnexpectedMaker/esp32s3/tree/main/series_d)
- [Official FeatherS3\[D\] product page](https://unexpectedmaker.com/shop.html#!/FeatherS3-D/p/759221736)
 
### What’s Included

- FeatherS3 \[D\] board
- Colour pinout reference card
- Unassembled male headers

## Images

- [Product image 1](https://core-electronics.com.au/media/catalog/product/C/E/CE10241-2.jpg)