ESP32-C3 Mini Dev Board – 4MB Flash, WiFi & Bluetooth

Meet the ESP32-C3 Mini Development Board — a compact, thumb-sized microcontroller board packed with 4MB of Flash memory, built-in WiFi, and Bluetooth connectivity. Whether you're a maker, hobbyist, or professional developer, this board delivers serious performance in a tiny footprint, making it the perfect core for IoT projects, smart home devices, wearables, and more.

Powered by the RISC-V single-core processor from Espressif, the ESP32-C3 strikes a balance between low power consumption and capable processing, all while supporting both Wi-Fi 4 (802.11 b/g/n) and Bluetooth 5.0 (LE). Available in 3 color options to suit your build aesthetic.

Key Features

• Processor: 32-bit RISC-V single-core CPU, up to 160 MHz
• Memory: 4MB onboard Flash storage
• Wireless: WiFi 802.11 b/g/n (2.4 GHz) + Bluetooth 5.0 LE
• Ultra-Compact: Thumb-sized form factor — perfect for space-constrained projects
• GPIO Pins: Multiple digital I/O, ADC, SPI, I²C, UART interfaces
• USB-C Connectivity: Easy programming and power delivery via USB-C
• Arduino & MicroPython Compatible: Fits seamlessly into your existing development workflow
• Low Power Modes: Ideal for battery-powered and energy-efficient applications
• Available in 3 color options to complement your project or workbench

What Can You Build?

• IoT sensors and smart home automation devices
• Wireless data loggers and remote monitors
• Wearable electronics and compact embedded systems
• Robotics controllers and BLE peripheral devices
• Custom WiFi-enabled gadgets and prototypes

Who Is It For?

The ESP32-C3 Mini is ideal for electronics hobbyists, engineering students, professional developers, and DIY makers who need a reliable, feature-rich development board without the bulk. Its plug-and-play USB-C interface and broad platform compatibility (Arduino IDE, ESP-IDF, MicroPython) mean you can go from unboxing to running code in minutes.

For more information on wireless communication standards used by this board, visit the NIST Communications Technology Laboratory.

Frequently Asked Questions

Q: What makes the ESP32-C3 Mini Development Board ideal for IoT projects?

A: The ESP32-C3 Mini combines a 32-bit RISC-V processor, 4MB Flash, WiFi 802.11 b/g/n, and Bluetooth 5.0 LE in a thumb-sized package — making it an exceptionally capable and space-efficient choice for IoT sensors, smart devices, and wireless prototypes.

Q: Is the ESP32-C3 Development Board compatible with Arduino IDE and MicroPython?

A: Yes! The ESP32-C3 Mini supports both the Arduino IDE and MicroPython, so you can start coding right away using your preferred development environment. ESP-IDF is also fully supported for advanced users.

Q: How does the ESP32-C3 connect to my computer for programming?

A: The board features a USB-C port for easy programming and power delivery. Simply connect it to your computer with a USB-C cable, select the correct port in your IDE, and upload your sketch or script.

Q: What wireless protocols does this development board support?

A: The ESP32-C3 Mini supports WiFi 4 (802.11 b/g/n at 2.4 GHz) and Bluetooth 5.0 Low Energy (BLE), giving you flexible wireless options for both internet-connected and device-to-device communication projects.