Seeed Studio XIAO ESP32-C3 WiFi & BLE Board

Seeed Studio XIAO ESP32-C3 WiFi & BLE Board

Name: Seeed Studio XIAO ESP32-C3 WiFi & BLE Board
Brand: Seeed Studio
SKU: ESP105
Price: 10.95 EUR
Availability: InStock

ESP32/ESP8266 Boards

Reference: ESP105

Part.No: 113991054

€10.95

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The Seeed Studio XIAO ESP32-C3 is a highly capable microcontroller based on a 32-bit RISC-V architecture, perfect for IoT and Smart Home projects. It provides complete wireless connectivity with Wi-Fi (802.11 b/g/n) and Bluetooth Low Energy 5.0 (BLE) / Mesh. Designed for ultra-low power consumption, it is easily programmable via the Arduino IDE or MicroPython. Caution: The operating and logic voltage (logic level) on the GPIO pins is strictly 3.3V.

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Description
Product Details

The Ultimate Board for your IoT Projects: Seeed Studio XIAO ESP32-C3

The Seeed Studio XIAO ESP32-C3 combines exceptional processing power and wireless capabilities in a thumb-sized form factor! Built around a 32-bit RISC-V processor, it delivers top-tier performance while keeping energy consumption impressively low, making it the perfect choice for standalone IoT systems, wearables, and wireless sensor nodes in your Smart Home.

Seeed Studio XIAO ESP32-C3 board details

Key Features

Complete Wireless Connectivity: Supports 2.4GHz Wi-Fi and Bluetooth Low Energy 5.0 (BLE) & Bluetooth Mesh networks.
Ample Memory: Integrates 400KB SRAM and 4MB Flash Memory to store complex code and data logs.
Rich I/O Pins: Provides 11x GPIO(PWM), 4x ADC, UART, IIC, and SPI in an ultra-compact footprint.
Native USB Communication: The microcontroller features a Native USB controller, eliminating the need for an external Communication Chip (CP2102/CH340). This ensures faster firmware flashing and serial debugging via the Type-C port.
Strict Logic Voltage: All I/O pins communicate strictly at 3.3V.

Frequently Asked Questions

Is the XIAO ESP32-C3 compatible with 5V sensors?

Not directly. The logic voltage of the microcontroller is 3.3V. Connecting a 5V signal directly to the GPIO pins will cause permanent damage. You must use a Level Shifter for safe and reliable communication with 5V modules.

What drivers do I need for the Arduino IDE?

Because the ESP32-C3 uses a Native USB interface, you don't need to hunt down drivers for an external Communication Chip (CP2102/CH340). Most modern operating systems will automatically recognize the device as soon as you plug it in with a data-capable USB Type-C cable.

Technical Specifications

Microcontroller (Chip)	ESP32-C3 (32-bit RISC-V single-core)
Logic Level Voltage	3.3V
Input Voltage	5V (via USB-C) / 3.7V (via BAT pin)
Memory	400KB SRAM & 4MB Flash Memory
Wi-Fi Standard	802.11 b/g/n (2.4GHz)
Bluetooth Standard	Bluetooth 5.0 (BLE) / Mesh
USB Port	USB Type-C

Getting Started with Seeed Studio XIAO ESP32C3

Learn how to easily get started with your ESP32

Guide: ESP32 on Arduino IDE

Packaging & Contents

The package includes 1x Seeed Studio XIAO ESP32-C3 board, 1x external Antenna, and 2x 7-pin headers. The board is shipped in a protective anti-static bag. The pin headers are provided unsoldered, giving you the flexibility to either solder them for breadboard prototyping or integrate the board directly (surface mount) into your custom PCB design.