ESP32-C3 SuperMini + Expansion Board WiFi Bluetooth Dev Kit

The ESP32-C3 SuperMini is a tiny yet powerful WiFi + Bluetooth 5.0 development board based on the Espressif ESP32-C3 RISC-V chip — now bundled with a full expansion board that unlocks all GPIOs, dual power rails, and LiPo battery support.

ESP32-C3 SuperMini Board

• 32-bit RISC-V CPU @ 160 MHz
• WiFi 802.11 b/g/n (2.4 GHz)
• Bluetooth 5.0 BLE
• 4 MB Flash + 400 KB SRAM + 384 KB ROM
• 11x Digital GPIO (PWM) + 4x Analog (ADC)
• UART x2, I2C x1, SPI x1
• USB-C connector for programming and power
• RST + BOOT buttons onboard
• Deep sleep current: 43 µA
• Size: 22.52 x 18 mm

Expansion Board

• Breaks out ALL GPIO pins with color-coded headers
• Dual configurable power rails: VCC1 and VCC2 (3.3V default, adjustable to 3.7V)
• LiPo battery connector (PH2.0) — charge via USB
• Green charge indicator LED
• 5V, GND, 3.3V rails exposed
• Size: 37.4 x 22.5 x 15.2 mm

Compatible IDEs and Frameworks

Arduino IDE, ESP-IDF, MicroPython, PlatformIO, ESPHome, Tasmota

Applications

Home Automation, IoT Sensors, ESPHome / Home Assistant, Wearables, BLE Beacons, RC Telemetry, Robotics, WiFi Relay Controllers

Specifications

Package Includes

• 1x ESP32-C3 SuperMini Development Board
• 1x Expansion Board with color-coded headers
• 1x Pin Header Set