ESP32-C3 SuperMini Dev Board

ESP32-C3 Supermini Development Board – Compact Wi-Fi + Bluetooth MCU

The ESP32-C3 Supermini is a tiny but powerful development board built around the Espressif ESP32-C3 RISC-V microcontroller. Designed for makers, embedded developers, DIY electronics enthusiasts, and IoT innovators, this compact board delivers fast wireless connectivity, strong security, low-power performance, and ease of use—all in a super-small footprint.

With built-in Wi-Fi and Bluetooth LE (BLE 5.0), USB programming, and generous I/O for its size, the ESP32-C3 Supermini is ideal for connected projects, automation, home control, sensors, wearables, and countless other compact embedded applications.

Key Features

• ESP32-C3 32-bit RISC-V Processor
  Runs at up to 160 MHz, providing excellent performance for multitasking, networking, and IoT logic while maintaining low power consumption.

• Integrated Wi-Fi + BLE 5.0
  Supports IEEE 802.11 b/g/n Wi-Fi plus Bluetooth LE 5.0 with long-range capability—ideal for IoT devices that require reliable wireless communication.

• USB Type-C Connectivity
  The board features native USB support, allowing direct flashing and serial monitoring without additional adapters or bridges.

• Ample Memory for Applications
  4MB of Flash ensures plenty of space for firmware, OTA updates, and web-based configuration pages.

• Ultra-Compact Supermini Form Factor
  Smaller than most standard ESP development boards, perfect for embedded installation, portable devices, and compact product designs.

• Low-Power Operation & Sleep Modes
  Designed for battery-powered projects with deep sleep current in microamp range.

Typical Applications

• IoT and smart home devices

• Remote monitoring and sensor nodes

• Wireless serial bridges

• MQTT and Home Assistant integrations

• Wearables and small portable products

• DIY automation controllers

• Robotics and smart modules

• Web or cloud-connected gadgets

Technical Specifications

• MCU: Espressif ESP32-C3

• Core: 32-bit RISC-V, up to 160 MHz

• Wireless:

  • Wi-Fi 802.11 b/g/n

  • Bluetooth LE 5.0 (with long-range support)

• Flash: 4MB

• RAM: Up to 400KB

• USB Interface: Native USB 2.0 via USB-C

• I/O: Multiple GPIO pins, ADC, SPI, I2C, UART, PWM, etc.

• Operating Voltage: 5V input (USB) / 3.3V logic

• Bootloader: USB DFU and serial flashing support

• Form Factor: Ultra-small Supermini layout

Software & Development Support

Compatible with a wide range of platforms and development workflows:

• Arduino IDE

• PlatformIO

• ESP-IDF (official SDK)

• MicroPython

• CircuitPython (community builds)

• Rust and RISC-V toolchains

Supports OTA (Over-the-Air) updates, secure boot, encrypted firmware, and modern IoT development standards.

Why Choose the ESP32-C3 Supermini

If you need a reliable, modern, small-form-factor Wi-Fi and BLE development board, the ESP32-C3 Supermini offers an outstanding balance of size, performance, security, and ease of use. Perfect for both beginners and professionals building next-generation IoT products or compact embedded systems.