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  • Seeed Studio XIAO (ESP32-C3)
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Seeed Studio XIAO (ESP32-C3)

4.6 out of 5 stars 263 ratings
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Brand seeed studio
Model name Seeed Studio XIAO ESP32C3
RAM memory installed size 0.4 MB
Memory storage capacity 4 MB
CPU speed 160 MHz
Connectivity technology Wi-Fi, I2C
Included components /
Operating system Linux
CPU manufacturer Espressif
Wireless communication standard Bluetooth

About this item

  • Flexible MCU Board: Incorporate the ESP32-C3 32-bit RISC-V chip, operating up to 160 MHz, mounted multiple development ports, supported by Arduino / CircuitPython
  • Outstanding RF performance: Implement complete Wi-Fi functions and Bluetooth Low Energy, while supporting communication over 100m with a U.FL antenna
  • Elaborate Power Design: Provide 4 working modes as low as 44 μA in deep sleep mode, while supporting lithium battery charge management
  • Thumb-sized Design: 21 x 17.8mm, Seeed Studio XIAO series classic form factor and elegant productization of single-sided components mounting, suitable for wearable devices
  • Perfect for Production: Breadboard-friendly & SMD design, no components on the back
› See more product details

Product information

Technical Details

Brand ‎seeed studio
Manufacturer ‎Seeed Studio
Place of Business ‎Seeed Studio
Model ‎ESP32-C3
Model Name ‎Seeed Studio XIAO ESP32C3
Memory storage capacity ‎4 MB
Ram Memory Installed Size ‎0.4 MB
RAM memory technology ‎SRAM
OS ‎Linux
Processor Brand ‎Espressif
Processor Speed ‎160 MHz
Number of Processors ‎1
Hardware interface ‎Bluetooth
Compatible Devices ‎Arduino devices, Personal Computer, Microcontrollers (Arduino, Raspberry Pi models)
Mounting Hardware ‎/
Number of Items ‎1
Batteries included ‎No
Batteries Required ‎No
Wireless Standard ‎Bluetooth
Total USB Ports ‎1
Connector Type ‎Wi-Fi, I2C
Manufacturer ‎Seeed Studio
Item model number ‎ESP32-C3
Product Dimensions ‎5 x 4 x 3 cm; 18 g
ASIN ‎B0B94JZ2YF

Additional Information

Date First Available Aug. 19 2022
Customer Reviews
4.6 out of 5 stars 263 ratings

4.6 out of 5 stars
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Seeed Studio XIAO (ESP32-C3)

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Product description

Seeed Studio XIAO ESP32C3 adopts new RISC-V architecture, supporting both Wi-Fi and BLE wireless connectivities. For Internet of Things applications, you will find it is flexible and suitable for all kinds of IoT scenarios.

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Seeed Studio XIAO (ESP32-C3)
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Customer ratings
4.64.6 out of 5 stars263
4.74.7 out of 5 stars17
4.74.7 out of 5 stars198
4.64.6 out of 5 stars328
4.34.3 out of 5 stars273
4.14.1 out of 5 stars62
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Customer reviews

4.6 out of 5 stars
263 global ratings

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Very impressed by its size
5 out of 5 stars
Very impressed by its size
So I built a windvane / anemometer for my sailboat using a standard esp32. It worked well, but I couldn't help but focus on the size of the esp32 as I wanted to fit this microcontroller into my project. After some searching I came across this Seed Studio Xiao esp32c3 and gave it a try. It passed all its tests and I am happily using this on my sailboat. You might not have as many IO pins as a full size esp32, but if your projects don't require that many, your in luck. The wifi antenna that comes with this seems to have better range the the stock antenna on a standard esp32.
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Top reviews from Canada

  • RD
    5.0 out of 5 stars Good to have it
    Reviewed in Canada on March 15, 2025
    Verified Purchase
    Is a nice small crazy computer
    Helpful
     Report
  • Mark Pires
    5.0 out of 5 stars Very impressed by its size
    Reviewed in Canada on December 19, 2024
    Verified Purchase
    So I built a windvane / anemometer for my sailboat using a standard esp32. It worked well, but I couldn't help but focus on the size of the esp32 as I wanted to fit this microcontroller into my project. After some searching I came across this Seed Studio Xiao esp32c3 and gave it a try. It passed all its tests and I am happily using this on my sailboat. You might not have as many IO pins as a full size esp32, but if your projects don't require that many, your in luck. The wifi antenna that comes with this seems to have better range the the stock antenna on a standard esp32.
    Customer image
    Mark Pires
    5.0 out of 5 stars
    Very impressed by its size

    Reviewed in Canada on December 19, 2024
    So I built a windvane / anemometer for my sailboat using a standard esp32. It worked well, but I couldn't help but focus on the size of the esp32 as I wanted to fit this microcontroller into my project. After some searching I came across this Seed Studio Xiao esp32c3 and gave it a try. It passed all its tests and I am happily using this on my sailboat. You might not have as many IO pins as a full size esp32, but if your projects don't require that many, your in luck. The wifi antenna that comes with this seems to have better range the the stock antenna on a standard esp32.
    Images in this review
    Customer imageCustomer image
    One person found this helpful
    Helpful
     Report
  • Nadine
    5.0 out of 5 stars Esp32c3
    Reviewed in Canada on October 7, 2023
    Verified Purchase
    Pretty awesome piece of kit!

    Little lacking in memory for bigger projects but perfect for everything else.
    Helpful
     Report
  • Vlad Sterescu
    5.0 out of 5 stars Very compact WIFI module
    Reviewed in Canada on July 10, 2023
    Verified Purchase
    Works great for my application. Comes with stick on antenna.
    Works well with Arduino IDE using the USB connection.
    Helpful
     Report
  • justin
    5.0 out of 5 stars Super small
    Reviewed in Canada on July 25, 2023
    Verified Purchase
    Very small, good for compact projects that need wireless communication and more computing power than arduino
    Helpful
     Report
  • PB
    2.0 out of 5 stars Libraries for PlatformIO.org won't compile
    Reviewed in Canada on January 23, 2023
    Verified Purchase
    I see that others have had the same problem with this device. The libraries fail to compile but the library authors don't seem to be fixing this.
    Helpful
     Report

Top reviews from other countries

Translate all reviews to English
  • deimudda
    5.0 out of 5 stars XIAO ESP32-C3 – Tiny, Powerful, and Perfect for IoT!
    Reviewed in Germany on March 6, 2025
    Verified Purchase
    The XIAO ESP32-C3 by Seeed Studio is a compact yet powerful development board featuring Wi-Fi and Bluetooth (BLE 5.0). Designed for IoT, smart home, and wearable projects, it is incredibly small at just 21x17.5mm but still supports USB-C, low-power operation, and external antenna connectivity via a u.FL connector.

    Key Features:
    - Ultra-Compact Design – Perfect for space-constrained projects
    - Wi-Fi & Bluetooth (BLE) – Reliable connectivity for IoT applications
    - USB-C Port – Faster and easier flashing & power
    - Low Power Consumption – Ideal for battery-powered devices
    - ESPHome, Arduino, and MicroPython Support

    Why Choose the XIAO ESP32-C3?
    If you're looking for a small but capable ESP32-C3 board for Home Assistant, smart automation, or wearable tech, this is a fantastic choice. It is easy to use, works great with ESPHome, and is a must-have for any maker or developer.

    5/5 – Highly Recommended for IoT & DIY Enthusiasts!
    Report
  • ziomauri
    5.0 out of 5 stars fantastico
    Reviewed in Italy on January 25, 2025
    Verified Purchase
    Nonostante abbia pochi ingressi, è utilissimo in progetti che prevedano un uso con batteria, perché può gestire una LiPo senza altre schede aggiuntive. Questo per una scheda davvero micro è un grosso vantaggio.
    Report
  • IO
    5.0 out of 5 stars So small and cute! ESP32-C3
    Reviewed in Australia on December 2, 2024
    Verified Purchase
    Solid & quality feel, I love these SEEED Xiao boards. Small handy powerful ESP32 module; easy to fit into tight spaces.

    Comes with an external WiFi antenna pad. The WiFi signal is still pretty good even without the little included patch antenna sticker connected so I'm happy with that for testing & prototyping.

    It has a built-in LiPo charge circuit and one LED for power / charging indication. It has no RGB LED compared to the RP2040 chip version of this same form factor SEEED board. That square thing between the RESET and BOOT buttons is the WiFi antenna connector.

    Note this is the ESP-C3 variant: there is also a newer ESP32-C6 variant and more powerful ESP-S3 version. All in the same tiny form factor.
    Customer image
    IO
    5.0 out of 5 stars
    So small and cute! ESP32-C3

    Reviewed in Australia on December 2, 2024
    Solid & quality feel, I love these SEEED Xiao boards. Small handy powerful ESP32 module; easy to fit into tight spaces.

    Comes with an external WiFi antenna pad. The WiFi signal is still pretty good even without the little included patch antenna sticker connected so I'm happy with that for testing & prototyping.

    It has a built-in LiPo charge circuit and one LED for power / charging indication. It has no RGB LED compared to the RP2040 chip version of this same form factor SEEED board. That square thing between the RESET and BOOT buttons is the WiFi antenna connector.

    Note this is the ESP-C3 variant: there is also a newer ESP32-C6 variant and more powerful ESP-S3 version. All in the same tiny form factor.
    Images in this review
    Customer imageCustomer image
    Report
  • Daniel
    5.0 out of 5 stars Perfektes Mikrocontroller-Board für mein WALL-E Projekt
    Reviewed in Germany on March 5, 2025
    Verified Purchase
    The media could not be loaded.
    Ich habe das Seeed Studio XIAO ESP32C3 für meine WALL-E Replica genutzt und bin absolut begeistert. Trotz der geringen Größe bietet es alles, was man für ein kompaktes IoT- oder Robotik-Projekt braucht.

    Besonders gefällt mir die eingebaute Wi-Fi- und BLE-Unterstützung, die ich für zukünftige Erweiterungen sicher noch nutzen werde. Auch die Energieeffizienz und der integrierte Batterieladeregler sind super praktisch. Die Programmierung mit der ESP32-Plattform lief problemlos, und die Performance ist für so ein kleines Board echt beeindruckend.

    Wer ein kleines, leistungsstarkes MCU-Board für IoT- oder Robotik-Projekte sucht, macht hier definitiv nichts falsch. Klare Empfehlung!
    Customer image
    Daniel
    5.0 out of 5 stars
    Perfektes Mikrocontroller-Board für mein WALL-E Projekt

    Reviewed in Germany on March 5, 2025
    Ich habe das Seeed Studio XIAO ESP32C3 für meine WALL-E Replica genutzt und bin absolut begeistert. Trotz der geringen Größe bietet es alles, was man für ein kompaktes IoT- oder Robotik-Projekt braucht.

    Besonders gefällt mir die eingebaute Wi-Fi- und BLE-Unterstützung, die ich für zukünftige Erweiterungen sicher noch nutzen werde. Auch die Energieeffizienz und der integrierte Batterieladeregler sind super praktisch. Die Programmierung mit der ESP32-Plattform lief problemlos, und die Performance ist für so ein kleines Board echt beeindruckend.

    Wer ein kleines, leistungsstarkes MCU-Board für IoT- oder Robotik-Projekte sucht, macht hier definitiv nichts falsch. Klare Empfehlung!
    Images in this review
    Customer image
    Report
  • Client d'鶹
    3.0 out of 5 stars Produit conforme mais frais de livraison plus chère que le produit ;-(
    Reviewed in France on June 12, 2025
    Verified Purchase
    produit conforme : mais 7,60€ le produit et 7,90€ de livraison (arrivé en lettre suivi) .... je ne reprendrais pas...
    Report