> **Source:** Core Electronics is an Australian maker-electronics retailer and manufacturer based in Newcastle, NSW, run by a team of makers and educators. We design and manufacture our own product lines (PiicoDev, CE originals) and are official retailers for iconic maker and industrial brands including Raspberry Pi, Arduino, Adafruit, SparkFun and DFRobot. Orders ship Australia-wide from our Newcastle warehouse. Prices are in AUD and include GST. Pricing, stock and dispatch on this page are generated from the store's live catalog. Full machine-readable index: https://core-electronics.com.au/llms.txt

# EdgeS3 \[D\] Re-usable Dev Board

**Type:** Product page · **SKU:** CE10239 · **Brand:** [Unexpected Maker](https://core-electronics.com.au/brands/unexpected-maker)
**Page:** https://core-electronics.com.au/unexpected-maker-edges3-d-m2-esp32-s3-development-board.html ([markdown](https://core-electronics.com.au/unexpected-maker-edges3-d-m2-esp32-s3-development-board.html.md))

A compact ESP32-S3 module suited for a side-entry M.2 connector for re-usable carrier boards - great for prototyping.

> ⚠ Deal is for shelf stock only — any additional stock will be at the normal price.

## Pricing

- **Price:** $27.07 (inc GST) — $24.61 AUD, exc GST

## Availability & dispatch

- In stock, ships same business day if ordered before 2PM (Australia/Sydney).
- We can dispatch 17 today; more stock is typically available with a 4–6 day lead time.

## How to buy

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- **Checkout** is completed on-site and includes a captcha at the payment step. Share the cart link; checkout takes it from there.
- **Search the catalogue:** `https://core-electronics.com.au/search/{query}.md` (URL-encode the query; pages 2-3 at `search/{query}/{page}.md`; `search.md?q=` also works)
- **Payment methods, purchase orders, policies and contact details:** https://core-electronics.com.au/llms.txt
## Description

Meet EdgeS3\[D\], a compact modular and re-usable ESP32-S3 module that lets you pick the perfect radio setup for every build. Switch between the onboard high-gain antenna and an external 2.4GHz antenna over u.FL in firmware, then get back to prototyping.

Ideal for battery-powered IoT nodes and dense embedded designs, EdgeS3\[D\] blends dual-core processing, ultra low deep sleep current, and an M.2 B-Key edge connector to drop straight into carrier boards with clean, reliable I/O.

### Technical Specifications

 | **MCU** | ESP32-S3 with dual 32-bit Xtensa LX7 cores up to 240 MHz |
|---|---|
| **Co-processor** | RISC-V ultra low power co-processor |
| **Wireless** | 2.4GHz WiFi 802.11b/g/n |
| **Bluetooth** | Bluetooth 5 with BLE and Mesh |
| **Flash** | 8MB QSPI |
| **PSRAM** | 2MB QSPI PSRAM (current version). Note: an 8MB OPI PSRAM version may follow depending on silicon availability. |
| **USB** | Native USB plus USB Serial JTAG |
| **Power regulation** | 700mA 3.3V LDO regulator |
| **Battery** | LiPo charging with I2C battery fuel gauge |
| **Deep sleep** | Ultra low deep sleep current |
| **Antenna options** | Onboard 3D high gain antenna and u.FL connector for external antenna |
| **Antenna switching** | RF switch controlled from code; onboard antenna selected by default (GPIO38) |
| **GPIO** | 29 GPIO plus 8 additional via IO expander |
| **Edge connector** | M.2 B-Key edge connector |
| **Connector details** | Amphenol MDT275B03001 side-entry B-Key, 2.75 mm height, module sits 1 mm off carrier PCB |
| **Form factor** | Board dimensions 22 x 23 mm |
| **Max thickness** | 2 mm at u.FL connector |
| **Compatibility note** | Not compatible with a computer M.2 slot |

![EdgeS3D showing onboard antenna, u.FL, and key features](https://d2j6dbq0eux0bg.cloudfront.net/images/wysiwyg/product/90477757/763138502/17521345325442035986829/main_features_edges3d_jpg.jpg)

![Amphenol MDT275B03001 M.2 B-Key side-entry connector](https://d2j6dbq0eux0bg.cloudfront.net/images/wysiwyg/product/90477757/763138502/1752221108593-1000768252/Product_Amphenol_B_Key_SMall_png.png)

### Additional Resources

- [Amphenol MDT275B03001 at Mouser](https://mouser.com/ProductDetail/523-MDT275B03001) for the matching B-Key connector used with EdgeS3\[D\]
 
### What’s Included

- EdgeS3\[D\] module in an antistatic bag
- Colour pinout card
- Optional M.2 B-Key connector
- Optional external 2.4GHz antenna

## Images

- [Product image 1](https://core-electronics.com.au/media/catalog/product/C/E/CE10239-2.jpg)