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Seeed Studio XIAO ESP32 C3 - RISC-V Wi-Fi & Bluetooth MCU Board


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Seeed Studio XIAO ESP32C3 – Tiny MCU Board With Wifi And BLE Battery Charge Supported Module

Seeed Studio XIAO ESP32C3 featuring ESP32C3 carries a complete Wi-Fi system along with Bluetooth Low Energy function. With its exquisite design and WiFi+BT ability, it’s perfect for various IoT controlling scenarios and complex carriable applications. The board equips highly-integrated ESP32-C3 SoC. The chip has been installed with a complete 2.4GHz Wi-Fi subsystem which means it supports Station mode, SoftAP mode, SoftAP & Station mode, and promiscuous mode for multiple Wi-Fi applications. It works under an ultra-low power state, also supporting features of Bluetooth 5 and Bluetooth mesh. There are 400 KB SRAM & 4 MB Flash on the chip, allowing for more programming space, and bringing more possibilities to the IoT control scenarios.


1. ESP32-C3 SoC
2. RISC-V single-core 32-bit chip processor with a four-stage pipeline that operates at up to 160 MHz


1. Complete 2.4GHz Wi-Fi subsystem
2. Bluetooth 5.0/ Bluetooth mesh


  • 1x UART, 1x IIC, 1x IIS, 1x SPI,11x GPIO(PWM), 4x ADC

  • 1x Reset button, 1x Boot button

Features of Seeed Studio XIAO ESP32C3:

  • Outstanding RF performance, Powerful ESP32-C3 SoC, and U.FL antenna provided that supports WiFi/Bluetooth connection over 100m.

  • Thumb-size Design, 21 x 17.5mm overall dimension, portable and lightweight.

  • Low power consumption, Lowest as 44 μA (deep sleep mode), with 4 working modes available.

  • Onboard battery charge IC, Supports battery charging, is great for various wearable scenarios and wireless IoT applications.

  • Ready for productization, Single-sided components design, easily integrated into other boards and Seeed provides Fusion Service for rapid production.


  • Brand: Seeed Studio

  • On-chip Memory: 400KB SRAM & 4MB Flash

  • Circuit operating voltage: 3.3V@200mA

  • Charging current: 50mA/100mA

  • Input voltage (VIN): 5V

  • Deep Sleep Power Consumption: >44μA

  • Active Model: <75 mA

  • Modem-sleep Model: <25 mA

  • Light-sleep Model: <4 mA

  • Length: 13.5 mm

  • Width: 19 mm

  • Height: 4.6 mm

  • Weight: 5 gm

Applications of Seeed Studio XIAO ESP32C3 :

  • Internet of Things

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

Package Includes:

1 x Seeed Studio XIAO ESP32C3 – Tiny MCU Board
1 x Antenna

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