SKU: IOWC-1184
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Elecrow ESP32-C3 Mini Development Board w/ Wi-Fi & Bluetooth 5

₹549.00 (Inclusive of all taxes)
Out of Stock

The Elecrow ESP32-C3 Mini is a compact development board based on the ESP32-C3FN4/FH4 RISC-V SoC, featuring 2.4GHz Wi-Fi and Bluetooth 5.0 connectivity. It’s designed for low-power IoT applications and supports development via USB-C in Arduino IDE and ESP-IDF.

Features

  • ESP32-C3 RISC-V single-core processor running at up to 160MHz with 4MB Flash and 400KB SRAM.
  • Integrated 2.4GHz Wi-Fi (802.11 b/g/n) and Bluetooth 5 for dual wireless connectivity.
  • Ultra-compact form factor (approx. 25.2 x 21.6mm) for space-constrained projects and wearables.
  • Rich I/O includes 11 GPIOs, 2 UARTs, I2C, SPI, and 5 ADC channels for sensor integration.
  • USB-C interface for easy programming, power, and serial communication, with onboard reset/boot buttons.

Out of stock

Description

The Elecrow ESP32-C3 Mini Development Board is a highly integrated, thumb-sized platform built around Espressif’s ESP32-C3 ultra-low-power SoC. Its RISC-V 32-bit core delivers efficient processing for IoT edge tasks while maintaining minimal active and deep sleep current consumption, ideal for battery-powered deployments.

Wireless connectivity is handled by an onboard antenna supporting IEEE 802.11 b/g/n Wi-Fi and Bluetooth 5 protocols, enabling local device networking and communication with smartphones or gateways. The board’s extensive peripheral set, including multiple UARTs and configurable GPIOs, allows for seamless integration with sensors, displays, and actuators. The USB-C port simplifies firmware flashing and serial debugging, accelerating development cycles for smart home, industrial automation, and wearable device prototypes.

Key Features

  • Based on the ESP32-C3FN4/FH4 chip with a 160MHz RISC-V processor for efficient IoT computation.
  • Integrated 2.4GHz Wi-Fi and Bluetooth 5.0 radio with onboard antenna for reliable wireless communication.
  • Ultra-compact PCB design (approx. 25.2mm x 21.6mm) enables integration into miniaturized end products.
  • Comprehensive development support via Arduino Core for ESP32, ESP-IDF, and MicroPython for rapid prototyping.
  • Low-power operating modes extend battery life in sensor hubs and data logging applications.
  • Direct USB-C connectivity for programming, serial monitoring, and 5V power supply.
  • Abundant digital and analog I/O (11 GPIOs, 5 ADCs) supports peripheral expansion and sensor networks.

Applications

  • Smart home automation nodes for lighting, security, and environmental control.
  • Industrial wireless sensor nodes for telemetry and condition monitoring (IIoT).
  • Low-power wearable devices and health monitoring gadgets.
  • Consumer electronics prototypes like smart remotes and audio accessories.
  • Agricultural sensor hubs for soil moisture, temperature, and humidity logging.

Technical Specifications

Microcontroller/SoCESP32-C3 (RISC-V 32-bit single-core, up to 160MHz)
Wireless ProtocolsWi-Fi 802.11 b/g/n (2.4GHz), Bluetooth 5
Memory4MB Flash, 400KB SRAM
GPIO Interfaces11 Digital I/O, 5 Analog Inputs (ADC)
Communication Interfaces2x UART, I2C, SPI, PWM
USB InterfaceUSB Type-C (Data & Power)
AntennaOnboard PCB Antenna
DimensionsApprox. 25.2mm x 21.6mm

Frequently Asked Questions

How do I program the Elecrow ESP32-C3 Mini board?

You can program it using the Arduino IDE with the ESP32 Arduino Core, Espressif's official ESP-IDF framework, or MicroPython. Connect the board via the USB-C port, select the correct COM port and board target (e.g., 'ESP32-C3 Dev Module'), and upload your code. The board uses the standard USB-to-serial protocol for flashing and serial communication, requiring no external programmers.

What is the power supply requirement and typical operating current?

The board is powered via the USB-C port at 5V, which is regulated down internally. The ESP32-C3 SoC itself operates at 3.3V. Typical active current consumption depends on Wi-Fi/Bluetooth usage but is designed for ultra-low-power applications. You can utilize deep sleep modes to achieve microamp-level current draw for battery-powered sensor nodes, significantly extending operational life between charges.

Can I connect an external antenna to this board?

No, the Elecrow ESP32-C3 Mini uses a fixed onboard PCB antenna for its 2.4GHz Wi-Fi and Bluetooth radio. The antenna is not user-replaceable or connectable via an external connector like IPEX or SMA. For projects requiring an external antenna for extended range or specific placement, consider a different ESP32-C3 module variant that includes an antenna connector.

Package Includes

  • 1 x Elecrow ESP32-C3 Mini Development Board

Additional Information

Weight 0.025 kg
Dimensions 13 × 6 × 3 cm