ESP32-C3 Pro Mini WiFi Bluetooth Development Board
ESP32-C3 Pro Mini WiFi Bluetooth Development Board
ESP32-C3 Pro Mini Development Board – Compact IoT Module with WiFi & Bluetooth 5.0
Take your IoT and electronics projects to the next level with the ESP32-C3 Pro Mini Development Board. Built around the powerful Espressif ESP32-C3FH4 chip, this ultra-compact board packs a 32-bit RISC-V processor, dual-mode wireless connectivity, and rich I/O interfaces into a thumb-sized form factor — perfect for wearables, smart home devices, and industrial automation prototypes.
Made in Mainland China.
Key Features
- Powerful CPU: ESP32-C3 32-bit RISC-V single-core processor running up to 160 MHz with a built-in FPU for 32-bit single-precision operations
- WiFi: IEEE 802.11 b/g/n at 2.4 GHz — supports Station, SoftAP, SoftAP+Station, and hybrid modes
- Bluetooth 5.0 (LE): Low-energy Bluetooth for responsive, power-efficient wireless communication
- Ultra-Low Power: Deep sleep power consumption of just ~43 μA — ideal for battery-powered applications
- Onboard Memory: 400 KB SRAM, 384 KB ROM, 4 MB Flash
- Ceramic Antenna & Antenna Mount: Enhances wireless signal strength for reliable connectivity
- Rich Interfaces: 11× GPIO (PWM), 4× ADC, 1× I2C, 1× SPI, 2× UART
- Security Hardware Accelerator: Supports AES-128/256, hash, RSA, digital signature, and secure boot
- Onboard LED: Blue LED on GPIO8 pin for status indication
- Reset & Bootloader Buttons: Convenient onboard buttons for development workflows
- Ultra-Compact Design: Only 25.5 × 18 mm — single-sided surface mount for easy integration
- Material: Plastic + Metal
Specifications at a Glance
| Chip | ESP32-C3FN4 |
| CPU | 32-bit RISC-V, up to 160 MHz |
| WiFi | 802.11 b/g/n, 2.4 GHz |
| Bluetooth | Bluetooth 5.0 LE |
| SRAM / ROM / Flash | 400 KB / 384 KB / 4 MB |
| GPIO (PWM) | 11 pins |
| ADC | 4 pins |
| Interfaces | UART ×2, I2C ×1, SPI ×1 |
| Deep Sleep Current | ~43 μA |
| Board Size | 25.5 × 18 mm |
| Package | 1 Set |
| Origin | Mainland China |
Who Is This For?
The ESP32-C3 Pro Mini is designed for makers, hobbyists, engineers, and students working on IoT projects, wireless sensor nodes, smart wearables, home automation, and industrial automation prototypes. Its compact size and low power draw make it an excellent choice wherever board real estate is limited.
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Frequently Asked Questions
Q: What programming environments are compatible with the ESP32-C3 Pro Mini development board?
A: The ESP32-C3 Pro Mini is compatible with the Arduino IDE, ESP-IDF (Espressif's official framework), PlatformIO, and MicroPython, giving you maximum flexibility for firmware development.
Q: Does the ESP32-C3 Pro Mini board come with a USB cable?
A: The accessory type listed is USB to DC Cable, but please verify the package contents on the product listing. The board itself supports programming and power via a USB interface.
Q: Is the ESP32-C3 Pro Mini suitable for battery-powered wearable devices?
A: Yes — with a deep sleep current of approximately 43 μA and an ultra-compact 25.5 × 18 mm footprint, the ESP32-C3 Pro Mini is well-suited for low-power wearable and portable IoT applications.
Q: What wireless protocols does this development board support?
A: The board supports IEEE 802.11 b/g/n WiFi at 2.4 GHz (multiple operating modes including Station and SoftAP) and Bluetooth 5.0 Low Energy (LE) for versatile wireless connectivity.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.