Seeed Studio XIAO ESP32C3 RISC-V Wi-Fi BLE 5.0 Battery Charge Supported

🧠 Seeed Studio XIAO ESP32C3 – Compact IoT Dev Board Powered by RISC-V

The XIAO ESP32C3 is an ultra-mini development board built around the Espressif ESP32-C3 dual-mode WiFi/Bluetooth chip, featuring a high-performance 32-bit RISC-V CPU. With robust RF capabilities, it supports IEEE 802.11 b/g/n WiFi and Bluetooth 5 (BLE) for reliable wireless communication.

📡 Comes with an external antenna to boost signal strength in demanding IoT environments.

📦 Tiny But Mighty Its elegant form factor and single-sided SMT design make it perfect for space-constrained applications.

🔌 Interface Highlights

• 11 digital I/O pins for PWM control

• 3 analog I/O pins for ADC readings

• Supports UART, I2C, SPI, and other serial interfaces

• Onboard reset button and bootloader mode button for easy flashing

Feature

🚀 Powerful Core Processor Powered by the ESP32-C3, a 32-bit RISC-V single-core CPU running up to 160 MHz, delivering efficient performance for IoT applications 🧠⚡

📶 Robust Wi-Fi Subsystem Fully supports IEEE 802.11 b/g/n with Station, SoftAP, SoftAP + Station, and promiscuous mode for versatile connectivity 🌐📡

🔷 Advanced Bluetooth LE Compatible with Bluetooth 5 and Bluetooth Mesh, enabling reliable low-power communication 🔄📲

🔋 Ultra-Low Power Design Achieves 43μA deep sleep current, perfect for energy-sensitive projects 🌙🔌

📡 Enhanced RF Performance Comes with an external antenna for improved signal strength in wireless environments 📈

🔌 Built-in Battery Management Integrated charging/discharge chip supports lithium battery power for mobile scenarios 🔄🔋

💾 Rich On-Chip Resources Includes 400KB SRAM and 4MB onboard flash, ensuring smooth multitasking and storage 📦

📏 Thumb-Sized Form Factor Measures just 21 × 17.8 mm, keeping the classic XIAO series footprint — ideal for wearables and compact devices 👣⌚

🛡️ Reliable Security Features Built-in crypto engine supports AES-128/256, Hash, RSA, HMAC, digital signature, and secure boot 🔐🧬

🔧 Versatile I/O Interfaces

• 1× I2C

• 1× SPI

• 2× UART

• 11× GPIO (PWM)

• 4× ADC

• 1× JTAG bonding pad

📐 Sleek Hardware Design Single-sided surface-mount layout for streamlined integration in PCB designs 🧱

Note

XIAO SoM User Manual open-sources all hardware and software materials of XIAO, providing professional product design guidelines to help you accelerate ideas off the ground, streamline product design, providing a seamless experience from module selection to mass production. You can check here to see more info.