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seeed-xiao-esp32c3

3 min read

Important Note

This entire repo was AI created - including all of the data within. The intent was to A) help me with my personal electronics inventory; and B) see how I could use AI to make that process a bit easier. DO NOT TRUST!

Seeed Studio XIAO ESP32C3

Details

Description

Ultra-compact RISC-V microcontroller development board featuring the ESP32-C3 with built-in Wi-Fi and Bluetooth Low Energy. Part of the XIAO series, this tiny board packs powerful wireless connectivity and low-power capabilities into a thumb-sized form factor perfect for IoT applications.

Specifications

  • Part Number: 113991054
  • Microcontroller: ESP32-C3
  • Architecture: 32-bit RISC-V single-core
  • Clock Speed: 160MHz
  • Operating Voltage: 3.3V
  • Input Voltage: 5V (via USB-C) or 3.3V
  • Flash Memory: 4MB
  • SRAM: 400KB
  • Dimensions: 21.0mm x 17.5mm x 3.5mm
  • Weight: ~2.5g

Image

Seeed Studio XIAO ESP32C3

Features

  • RISC-V Architecture: Open-source instruction set architecture
  • Dual Wireless: Wi-Fi 802.11 b/g/n + Bluetooth 5.0 LE
  • Ultra-Low Power: Deep sleep current as low as 43μA
  • USB-C Connector: Modern connector for programming and power
  • Battery Management: Built-in battery charging circuit
  • Compact Size: Smallest ESP32-C3 development board
  • Arduino Compatible: Full Arduino IDE support

Pin Configuration

  • Digital I/O: 11 pins
  • Analog Inputs: 4 pins (A0-A3, 12-bit resolution)
  • PWM: All digital pins support PWM
  • I2C: SDA (D4), SCL (D5)
  • SPI: MOSI (D10), MISO (D9), SCK (D8), CS (D7)
  • UART: TX (D6), RX (D7)
  • Special: D0 (A0), D1 (A1), D2 (A2), D3 (A3)

Power Specifications

  • Operating Voltage: 3.3V
  • Input Voltage: 5V (USB-C) or 3.3V (VCC)
  • Current Consumption:
    • Active: ~40mA (Wi-Fi TX)
    • Light Sleep: ~1.8mA
    • Deep Sleep: ~43μA
  • Battery Charging: Built-in Li-Po charging circuit
  • Power Management: Multiple sleep modes

Wireless Capabilities

Wi-Fi

  • Standards: 802.11 b/g/n (2.4GHz)
  • Modes: Station, SoftAP, Station+SoftAP
  • Security: WEP, WPA, WPA2, WPA3
  • Range: Typical indoor Wi-Fi range

Bluetooth

  • Version: Bluetooth 5.0 LE
  • Protocols: BLE, Bluetooth Mesh
  • Range: Up to 10m (Class 2)
  • Power: Ultra-low power BLE

Applications

  • IoT sensor nodes
  • Wearable devices
  • Smart home controllers
  • Battery-powered projects
  • TinyML applications
  • Wireless sensor networks
  • BLE beacons
  • Edge AI devices

Programming

  • Arduino IDE: Full support with ESP32 board package
  • ESP-IDF: Native Espressif development framework
  • MicroPython: CircuitPython support
  • PlatformIO: Professional development environment
  • TinyML: Machine learning on microcontrollers

XIAO Ecosystem

  • Form Factor: Compatible with all XIAO accessories
  • Expansion Boards: Grove Base, Expansion Board
  • Shields: Various XIAO-compatible shields available
  • Community: Large XIAO developer community

Advantages

  • RISC-V: Open-source architecture, future-proof
  • Dual Connectivity: Wi-Fi + BLE in tiny package
  • Ultra-Low Power: Excellent for battery applications
  • Cost Effective: Great price-to-performance ratio
  • Easy Development: Arduino IDE compatibility
  • Rich Ecosystem: XIAO accessories and community

Notes

  • Smallest ESP32-C3 development board available
  • RISC-V architecture offers open-source advantages
  • Built-in battery charging makes it perfect for portable projects
  • Ultra-low power consumption ideal for IoT applications
  • Compatible with XIAO ecosystem of accessories
  • Excellent for learning RISC-V architecture
  • Perfect for TinyML and edge AI projects

Tags

microcontroller, risc-v, esp32c3, wifi, ble, xiao, seeed, ultra-low-power, tinyml

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