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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

Pin No.

Name

Type

Function

1

D0

I/O

GPIO2/A0

2

D1

I/O

GPIO3/A1

3

D2

I/O

GPIO4/A2

4

D3

I/O

GPIO5/A3

5

D4

I/O

GPIO6/SDA

6

D5

I/O

GPIO7/SCL

7

D6

I/O

GPIO21/TX

8

D7

I/O

GPIO20/RX

9

D8

I/O

GPIO8/SCK

10

D9

I/O

GPIO9/MISO

11

D10

I/O

GPIO10/MOSI

12

3.3V

POWER

3.3V

13

GND

POWER

Ground pin

14

5V

POWER

5V Supply

 

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

esp32c3 component overview

 

2D-Model and Dimensions

ESP32-C3 2D Model and Dimensions

Component Datasheet

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