Seeed Studio XIAO ESP32-C3 - Affordable Wi-Fi and BLE in a Thumb-Sized Board
Not every IoT project needs the most powerful chip on the market. Sometimes you just need reliable Wi-Fi, solid Bluetooth LE, and a small enough footprint to fit into anything and at a price that makes sense for production. That's exactly what the Seeed Studio XIAO ESP32-C3 delivers.
Powered by Espressif's ESP32-C3 SoC, a single-core RISC-V processor running at up to 160 MHz, this board brings full 2.4GHz Wi-Fi and Bluetooth LE 5.0 (including Bluetooth Mesh) to the compact XIAO form factor. With 400KB of SRAM and 4MB of Flash, it has plenty of room for typical IoT firmware, sensor data buffering, and wireless communication stacks.
The XIAO ESP32-C3 is designed with power efficiency in mind, featuring multiple power modes to keep battery-powered deployments running longer. It's fully compatible with the Arduino IDE, ESP-IDF, and MicroPython, and slots straight into the XIAO ecosystem of expansion boards and Grove modules.
Overview
- ESP32-C3 SoC - RISC-V single-core @ up to 160 MHz
- 400KB SRAM, 4MB Flash
- 2.4GHz Wi-Fi + Bluetooth LE 5.0 / Bluetooth Mesh
- 11x GPIO (PWM), 4x ADC
- Ultra-low power modes for battery-powered use
- Arduino, ESP-IDF, and MicroPython compatible
- 21 x 17.8 mm XIAO footprint
Why You'll Like It
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RISC-V architecture: A genuinely modern CPU architecture in a low-cost, easy-to-use dev board.
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Wi-Fi + BLE on one chip: Two wireless protocols without doubling up on hardware.
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Affordable IoT deployment: Cost-effective enough to embed into multiple nodes in a sensor network.
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Production-ready SMD design: Castellated edges for direct PCB integration.
Technical Specifications
| Parameter |
Details |
| Processor |
ESP32-C3, RISC-V single-core @ up to 160 MHz |
| Memory |
400KB SRAM, 4MB Flash |
| Wireless |
2.4GHz Wi-Fi + BLE 5.0 / Bluetooth Mesh |
| GPIO |
11x GPIO (PWM), 4x ADC |
| Interface |
USB Type-C |
| Dimensions |
21 x 17.8 mm |
Perfect For
- Affordable Wi-Fi and BLE IoT nodes
- Smart home sensors and automation triggers
- Wearable devices and health monitoring
- Education and rapid prototyping
- Battery-powered wireless deployments
At K & A Electronics, we stock boards that offer excellent value without cutting corners on performance. Order today with fast Australia-wide shipping and local support from our Sydney team.
