# ESP32-S2-Saola-1M Development Board

**Type:** Product page · **SKU:** DFR0812 · **Brand:** [DFRobot](https://core-electronics.com.au/brands/dfrobot-australia)
**Page:** https://core-electronics.com.au/esp32-s2-saola-1m-development-board.html ([markdown](https://core-electronics.com.au/esp32-s2-saola-1m-development-board.html.md))

ESP32-S2-Saola-1 is a small-sized ESP32-S2-based development board. Most of the I/O pins are broken out to the pin headers on both sides for easy interfacing. Developers...

## Pricing

- **Price:** $37.10 (inc GST) — $33.73 AUD, exc GST
- **Quantity discounts:** 6+ $32.04 (exc GST) · 12+ $30.69 (exc GST)

## Availability & dispatch

- Out of stock — the product page offers email notification when it returns.

## Description

#### Introduction

ESP32-S2-Saola-1 is a small-sized ESP32-S2-based development board. Most of the I/O pins are broken out to the pin headers on both sides for easy interfacing. Developers can either connect peripherals with jumper wires or mount ESP32-S2-Saola-1 on a breadboard.

ESP32-S2-Saola-1 is equipped with ESP32-S2-WROOM module, a powerful and generic Wi-Fi MCU module that has a rich set of peripherals. It’s an ideal choice for a wide variety of application scenarios like wearable electronics and smart home. The board has PCB onboard antenna, and 4MB SPI flash.

**Description of Components**

![](https://core-electronics.com.au/media/wysiwyg/Board-Overview-dfr0812.jpg)

 | Key Component | Description |
|---|---|
| ESP32-S2-WROVER | ESP32-S2-WROVER is a powerful, generic Wi-Fi MCU module that integrates ESP32-S2. It has a PCB antenna, a 4 MB external SPI flash and an additional 2 MB PSRAM. |
| I/O Connector | All available GPIO pins (except for the SPI bus for flash and PSRAM) are broken out to the pin headers on the board. Users can program ESP32-S2 chip to enable multiple functions such as SPI, I2S, UART, I2C, touch sensors, PWM etc. |
| USB to UART Bridge | Single USB-UART bridge chip provides transfer rates up to 3 Mbps. |
| Boot Button | Download button. Holding down Boot and then pressing Reset initiates Firmware Download mode for downloading firmware through the serial port. |
| Reset Button | Reset button. |
| 3.3 V Power On LED | Turns on when the USB power is connected to the board. |
| Micro-USB Port | USB interface. Power supply for the board as well as the communication interface between a computer and the ESP32-S2 chip. |
| RGB LED | Addressable RGB LED (WS2812), driven by GPIO18. |

**Block Diagram**

![](https://core-electronics.com.au/media/wysiwyg/Block-Diagram-dfr0812.jpg)

#### Specification

- ESP32-S2 chip, Xtensa single-core 32-bit LX7 Microcontroller
- 128 KB ROM
- 320 KB SRAM
- 16 KB RTC SRAM
- 40 MHz crystal oscillator integrated
- 4 MB SPI flash
- Operating/Supply Voltage: 3.0 ~ 3.6 V
- Recommended Operating Temperature: –40 ~ 85 °C
 
#### Documents

- [Product wiki](https://docs.espressif.com/projects/esp-idf/en/latest/esp32s2/hw-reference/esp32s2/user-guide-saola-1-v1.2.html)
 
#### Shipping List

- ESP32-S2-Saola-1M Development Board x1

## Images

- [Product image 1](https://core-electronics.com.au/media/catalog/product/d/f/dfr0812.jpg)