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

ESP32-C3 Super Mini Development Board – 4MB Flash | WiFi & Bluetooth

Meet the ESP32-C3 Super Mini Development Board — a compact, powerful microcontroller board built around the ESP32-C3FN4 chip. Measuring just 22.52 × 18 mm (roughly the size of a thumb), this board packs serious processing power and wireless connectivity into an ultra-small footprint, making it perfect for IoT projects, wearable devices, smart home automation, and industrial applications.

Made in Mainland China.

Key Features

• Powerful 32-bit RISC-V CPU: ESP32-C3 single-core processor running at up to 160 MHz for snappy, responsive performance.
• WiFi 802.11b/g/n (2.4 GHz): Supports Station mode, SoftAP mode, SoftAP + Station mode, and mixed mode — versatile wireless connectivity right out of the box.
• Bluetooth: Integrated Bluetooth for seamless short-range wireless communication.
• 4MB Built-in Flash + 400KB RAM + 384KB ROM: Generous onboard memory for storing your firmware and running demanding applications.
• Ultra-Low Power Consumption: Deep sleep current of approximately 43 μA — ideal for battery-powered and energy-conscious designs.
• Robust Security: Hardware-accelerated AES-128/256, RSA, HMAC, hashing, digital signatures, and secure boot encryption keep your project protected.
• Rich Interfaces: 1× I2C, 1× SPI, 2× UART, 11× GPIO (PWM), 4× ADC channels — connect sensors, displays, and peripherals with ease.
• Built-in Blue LED: Onboard LED on GPIO8 for quick status indication and debugging.
• Surface Mount Design: Single-sided components for a clean, compact PCB layout.
• Thumb-Sized Form Factor: At only 22.52 × 18 mm, it fits seamlessly into wearables, enclosures, and tight-space builds.

Specifications

Ideal Applications

• IoT sensor nodes and smart home devices
• Industrial automation controllers
• Wearable electronics and portable gadgets
• Wireless data loggers and edge computing projects
• Prototyping and hobbyist maker projects

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Frequently Asked Questions

Q: Is the ESP32-C3 Super Mini compatible with Arduino IDE?

A: Yes! The ESP32-C3 development board is fully compatible with the Arduino IDE. Simply install the ESP32 board support package and you can start programming using familiar Arduino sketches. It also supports MicroPython and ESP-IDF for more advanced development.

Q: Does the ESP32-C3 Super Mini board come with a USB cable?

A: The board is listed with a USB to DC cable accessory type. Please check the product variant/bundle options at checkout to confirm cable inclusion for your specific order.

Q: What makes the ESP32-C3 suitable for low-power IoT projects?

A: The ESP32-C3 features a deep sleep mode with a current draw of approximately 43 μA, making it highly efficient for battery-powered IoT nodes, wireless sensors, and other energy-conscious applications where extended battery life is critical.

Q: How many GPIO pins does the ESP32-C3 Super Mini board have?

A: The board exposes 11 GPIO pins, all of which support PWM output. It also includes 4 ADC channels, 2 UART interfaces, 1 I2C, and 1 SPI — giving you plenty of options to connect peripherals, sensors, and actuators.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.