Xiao ESP32-C3 IoT Development Board

Seeed Studio XIAO ESP32C3 is an IoT mini development board based on the Espressif ESP32-C3 WiFi/Bluetooth dual-mode chip in a very tiny form factor. The ESP32-C3 chip is built around 32-bit RISC-V architecture with four stage pipeline and a Floating-Point Unit (FPU) for precision arithmetic operations. The chip also has 2.4GHz WiFi and Bluetooth 5(LE) support.

XIAO ESP32C3  Pinout Configuration

Features

• Powerful CPU: ESP32-C3, 32­bit RISC­-V single­core processor that operates at up to 160 MHz
• Complete Wi­Fi subsystem: Complies with IEEE 802.11b/g/n protocol and supports Station mode, SoftAP mode, SoftAP + Station mode, and promiscuous mode
• Bluetooth LE subsystem: Supports features of Bluetooth 5 and Bluetooth mesh
• Ultra-Low Power: Deep sleep power consumption is about 43μA
• Better RF performance: External RF antenna included
• Battery charging chip: Supports lithium battery charge and discharge management
• Rich on-chip resources: 400KB of SRAM, and 4MB of on-board flash memory
• Ultra-small size: As small as a thumb(20x17.5mm) XIAO series classic form factor for wearable devices and small projects
• Reliable security features: Cryptographic hardware accelerators that support AES-128/256, Hash, RSA, HMAC, digital signature, and secure boot
• Rich interfaces: 1xI2C, 1xSPI, 1xI2S, 2xUART, 11xGPIO(PWM), 4xADC, 1xJTAG bonding pad interface
• Single-sided components, surface mounting design

Specifications

• Processor   
  • ESP32-C3 SoC
  • RISC-V single-core 32-bit chip processor with a four-stage pipeline that operates at up to 160 MHz
• Wireless     
  • Complete 2.4GHz Wi-Fi subsystem
  • Bluetooth 5.0/ Bluetooth mesh
• On-chip Memory  
  • 400KB SRAM & 4MB Flash
• Interface    
  • 1x UART
  • 1x IIC
  • 1x IIS
  • 1x SPI
  • 11x GPIO(PWM)
  •  4x ADC
  • 1x Reset button
  • 1x Boot button
• Dimensions
  • 21 x 17.5mm
• Power
  • Circuit operating voltage: 3.3V@200mA
  • Charging current: 50mA/100mA
  • Input voltage (VIN): 5V
  • Deep Sleep Power Consumption
    • Deep Sleep Model: >44 μA
  • Wi-Fi Enabled Power Consumption
    • Active Model: <75 mA
    • Modem-sleep Model: <25 mA
    • Light-sleep Model: <4 mA
  • BLE Enabled Power Consumption
    • Modem-sleep Model: <27 mA
    • Light-sleep Model: <10 mA

Applications

The XIAO ESP32C3 suit for applications such as:

• Internet of Things
• Wearable devices
• Health monitoring
• Education
• Low-Power(LP) networking 
• Rapid prototyping

Component overview

2D-Model and Dimensions