The thumb‑sized WiFi + Bluetooth 5 IoT powerhouse for makers, tinkerers, and wearable‑tech dreamers.
If you love squeezing maximum capability into the smallest possible footprint, the ESP32‑C3 SuperMini is about to become your new favourite board. Built around Espressif’s efficient 32‑bit RISC‑V CPU, this little beast delivers serious computing power, ultra‑low energy consumption, and rock‑solid wireless performance—all in a board barely bigger than a postage stamp.
Using a superMini board is a great way to miniaturise your circuits. Making projects, like the one I created while on a flight- possible!
Whether you're building smart wearables, compact sensors, home‑automation gadgets, or your next viral maker project, the SuperMini gives you the perfect blend of muscle, flexibility, and size.
Why You’ll Love It
⚡ Powerful RISC‑V Performance
ESP32‑C3 single‑core RISC‑V CPU
Up to 160 MHz clock speed
Built‑in FPU for smooth 32‑bit floating‑point operations
400 KB SRAM + 384 KB ROM + 4 MB Flash
Dual Wireless Connectivity
WiFi 802.11 b/g/n (2.4 GHz)
Station, SoftAP, SoftAP+Station, and hybrid modes
Bluetooth 5.0 (LE) for modern low‑energy peripherals
Ultra‑Low Power Ready
Deep‑sleep consumption around 43 μA Perfect for battery‑powered and always‑on IoT devices.
Rich I/O for Maximum Creativity
11× GPIO (all PWM‑capable)
4× ADC inputs
2× UART, 1× I2C, 1× SPI
Onboard blue LED on GPIO8
Handy Reset + Bootloader buttons
Hardware‑Level Security
AES‑128/256
RSA
Hash acceleration
Digital signature
Secure boot Your projects stay safe from the ground up.
Ultra‑Compact Design
Just 22.52 × 18 mm
Perfect for wearables, embedded projects, and tight enclosures
Classic “SuperMini” layout for easy prototyping
Perfect For
Wearable tech
Smart sensors
Home automation
Robotics
Wireless controllers
Compact IoT prototypes
Learning RISC‑V development
Why Makers Choose the ESP32‑C3 SuperMini
Because it’s tiny, capable, affordable, and ridiculously fun to build with. You get modern RISC‑V architecture, secure wireless connectivity, and flexible I/O—all in a board that fits on your fingertip. It’s the ideal “always keep one in your drawer” microcontroller.
