The ESP32-C3 Super Mini is an ultra-compact, low-cost development board built around the ESP32-C3 microcontroller. Designed for space-constrained projects, it delivers solid wireless performance and essential features in a very small footprint.

It uses a 32-bit RISC-V single-core processor running up to 160 MHz, combined with built-in Wi-Fi and Bluetooth connectivity. Despite its size, it provides enough I/O and interfaces for a wide range of embedded and IoT applications.

Key Features

• RISC-V processor
  32-bit single-core CPU up to 160 MHz
• Memory
  4MB Flash
• Wireless connectivity
  Wi-Fi 2.4 GHz (802.11 b/g/n)
  Bluetooth 5 (BLE)
• Ultra-compact size
  Around 22.5 x 18 mm, ideal for tight builds
• USB-C interface
  Native USB for power and programming
• Integrated PCB antenna
  Stable wireless performance without external antenna
• GPIO and interfaces
  
  • 13 Total GPIOs
  • 11 digital GPIOs
    
  • 6 ADC channels (12-bit)
  • Supports UART, I2C, SPI, PWM
• Low power operation
  Deep sleep around 40 µA, suitable for battery devices
• Onboard controls
  Reset and boot buttons for easy flashing and debugging

Development

Compatible with ESP-IDF and Arduino IDE, with full support for common embedded workflows and fast setup.

Applications

• IoT devices
• Wireless sensors
• Wearables
• Smart home devices
• Battery-powered electronics
• Compact embedded systems