ESP32-C3 SuperMini RISC-V WiFi and Bluetooth Development Board

The ESP32-C3 SuperMini is an ultra-compact IoT development board powered by a 32-bit RISC-V single-core processor with integrated Wi-Fi and Bluetooth 5 (LE). Measuring just 22.52 x 18 mm, it delivers powerful computing, rich peripheral interfaces, and ultra-low deep sleep current in a thumb-sized footprint. It is ideal for students, hobbyists, and makers developing wearables and space-constrained smart devices.

Compact RISC-V processing

Driven by the ESP32C3FN4 chip operating at up to 160 MHz, this board features a 32-bit single-core RISC-V architecture with an integrated floating point unit. It comes equipped with 400KB SRAM, 384KB ROM, and 4MB of built-in flash memory for reliable program execution.

Wireless connectivity and security

The module supports 2.4 GHz 802.11b/g/n Wi-Fi across Station, SoftAP, and hybrid modes alongside Bluetooth 5 (LE) communication. Integrated hardware accelerators offer robust security via AES-128/256 encryption, RSA, HMAC, digital signature support, and secure boot.

Versatile pinout and hardware

Despite its miniature form factor, the board provides 11 digital GPIO pins with PWM support, 4 ADC channels, 2 UART ports, 1 SPI interface, and 1 I2C interface. It also features dedicated boot and reset buttons along with an on-board blue indicator LED wired to GPIO8.

Power and software compatibility

The board operates from a 3.3V to 6V input on the 5V pin and draws approximately 43 uA in deep sleep mode to support battery-powered applications. It is fully compatible with both the Arduino IDE and Espressif ESP-IDF frameworks using the ESP32C3 Dev Module board profile.