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Seeed XIAO ESP32C3 - RISC-V tiny MCU board with Wi-Fi and Bluetooth5.0, battery charge supported, power efficiency and rich Interface
Seeed XIAO ESP32C3 模組 (113991054) 支持Wi-Fi 和藍牙 5.0，支援電池充電，電源效率高，介面豐富
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.
XIAO ESP32C3 採用全新 RISC-V 架構，同時支援Wi-Fi 和 BLE 無線連線。對於物聯網應用，你會發現它非常靈活，適合各種物聯網場景。
【Part List】
- Seeed Studio XIAO ESP32C3 模組 x1
- Antenna 天線 x1
注意：
Check five pieces of 7-pin male header compatible with Seeed Studio XIAO Series Board!
【Features】：
- 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 17.5mm, Seeed Studio XIAO series classic form factor, suitable for wearable devices
- Perfect for Production： Breadboard-friendly & SMD design, no components on the back
【FAQ】：
Ｑ：Does the XIAO microcontroller come with a pin header?
Ａ：Currently, all XIAOs don't come with a pin header. You can purchase them through Also add or pin header.／目前，所有 XIAO均未配備排針。您可以另外加購買。
【Description】：
Seeed Studio XIAO ESP32C3 has equipped a highly-integrated ESP32-C3 chip, built around a 32-bit RISC-V chip processor with a four-stage pipeline that operates at up to 160 MHz.
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.
Being a number to the Seeed Studio XIAO family, the board deservedly maintains the classic thumb-sized form-factor design and elegant productization of single-sided components mounting. Meanwhile, it has equipped with a battery charge chip and integrated circuit for enhancing its ability to carry. This board comes included with an external antenna to increase the signal strength for wireless applications. There are 11 digital I/O that can be used as PWM pins and 4 analog i/o that can be used as ADC pins. It supports UART, IIC, and SPI serial communication ports. Utilizing its small and exquisite hardware design and the powerful onboard chip, programming by Arduino, it will offer more ability to wearable and portable devices or other applications.
Please be noted that the pins are not included in this product. If you require the pins, please visit the following page to make a purchase.
Starter Kit with free Course for all Electronics Neophytes and Enthusiasts
Seeed Studio has provided the Grove Starter Kit along with free and detailed courses for you quickly get started with microcontrollers and electronics, regarding all the Seeed Studio XIAO boards, promising you a great learning experience.
Not only programming but also electronics knowledge is not required, you will be taken step by step, from understanding the basic concepts to exercising the simple projects individually, finally being able to build complex, interesting, wearable projects on your own, owing a practical electronic product prototype from the course.／不僅不需要編程，還不需要電子知識，一步一步從理解基本概念到單獨練習簡單的項目，最終能夠自己構建複雜、有趣、可穿戴的項目，擁有一個實用的電子產品。課程中的。
您可以透過將Seeed Studio Grove 生態系統連接到相容的Seeed Studio XIAO 擴充板來存取它。我們已經開發了 400 多個Grove 模組，涵蓋了廣泛的應用，可以滿足各種需求。開始探索 Seeed Studio XIAO 系列的無限可能！
【Application】：
- Internet of Things
- Wearable devices
- Health monitoring
- Education
- Low-Power(LP) networking
- Rapid prototyping
應用一：智慧私人車庫／Application 1: Smart Private Garage
〔Materials〕： XIAO ESP32C3 *2, Grove - Button *1, Grove - Relay*1
〔Description〕：
This is a peer-to-peer WiFi communication application, since two XIAOs detect each other via Wifi, the garage door will open or keep opening, and vice versa.
〔Improvement〕：
It is nice to add an ultrasonic distance sensor to measure the car-to-door distance and an OLED screen to check the status of the garage. If you want an onboard voice sensor to command the door to open with vocal instruction, try our XIAO BLE Sense.
應用2：遠端森林追蹤器／Application 2: Remote Forest Tracker
〔Materials〕：XIAO ESP32C3 *1, Grove - Wio - E5 *1, Grove - GPS *1
〔Description〕：
Thanks to the tiny size of the XIAO series, it is suitable to make the wearable devices, such as a small pet trackers. This wearable device can be used as a simple GPS-Tracker which will lock its current location and publish other data via LoRa.
〔Improvement〕：
A compass that shows direction and distance is a great added value to the tracker that you could consider. Meanwhile, publishing altitude, speed, or other parameters could bring more scenarios to this tracker. Besides, the chip ESP32-C3 allows this tracker to communicate over WiFi or BLE, and therefore, we can upload the tracker’s data or realize the Long Range-to-MQTT bridge as well.
Probably you are worried about the wireless capability of the above application of XIAO ESP32C3, and We have a 2.4GHz Rod Antenna for XIAO ESP32C3 which increases the wireless capability of the XIAO ESP32C3, The antenna is certified TELEC and XIAO ESP32C3 is compatible with Antenna, Check here to see more!
