ESP32 C3 Mini 2.4GHz Wi-Fi + Bluetooth Development Board

Overview — ESP32 C3 Mini 2.4GHz Wi-Fi + Bluetooth Development Board

The ESP32 C3 Mini development board is a compact, high-performance microcontroller module featuring integrated 2.4GHz Wi-Fi and Bluetooth 5.0 LE. Powered by the ESP32-C3 single-core 32-bit RISC-V processor, this board delivers energy-efficient compute and robust wireless connectivity for a wide range of IoT, wearable, automation, and embedded projects.

Key Benefits

• Small form factor ideal for space-constrained designs
• Reliable 2.4GHz Wi-Fi (802.11 b/g/n) and Bluetooth 5.0 LE connectivity
• Low power consumption with multiple sleep and power-saving modes
• Flexible programming options for rapid prototyping and production

Features

• Processor: ESP32-C3 single-core 32-bit RISC-V CPU, up to 160 MHz
• Wireless: 2.4GHz Wi-Fi (802.11 b/g/n) and Bluetooth 5.0 Low Energy
• Interfaces: Multiple GPIOs with PWM, UART, SPI, I2C, ADC and GPIO interrupts
• Connectivity: USB Type-C for power and programming
• Software: Supports Arduino IDE, ESP-IDF, PlatformIO and MicroPython
• Indicators: Onboard LED for status and debugging
• Design: Compact module optimized for IoT and wearable integration

Wireless Connectivity

The built-in 2.4GHz Wi-Fi and Bluetooth 5.0 LE enable secure and power-efficient wireless communication for sensor nodes, smart home devices, and connected wearables. Wi-Fi supports 802.11 b/g/n modes for broad compatibility.

Processor and Performance

The RISC-V based ESP32-C3 CPU runs up to 160 MHz delivering responsive performance for networking, sensor processing, and control tasks while maintaining energy efficiency.

Power and Energy Management

• Multiple low-power and sleep modes for battery-powered applications
• Optimized for extended runtime in IoT sensor and wearable projects

Interfaces and Expansion

Multiple GPIO pins support common peripherals and interfaces:

• PWM for motor and LED control
• UART for serial communication and debugging
• SPI and I2C for sensors, displays, and external memory
• ADC for analog sensor input
• GPIO interrupts for event-driven designs

Compatibility and Programming

• Arduino IDE: Easy-to-use libraries and wide community support
• ESP-IDF: Full access to native SDK for advanced features and optimization
• PlatformIO and MicroPython support for alternative development workflows

Applications

• Internet of Things (IoT) devices and sensor nodes
• Smart home automation and remote monitoring
• Wearable electronics and health trackers
• Wireless sensor networks and telemetry
• Robotics, drones, and embedded control systems

Typical Specifications

• CPU: ESP32-C3 RISC-V single-core, up to 160 MHz
• Wireless: 2.4GHz Wi-Fi (802.11 b/g/n), Bluetooth 5.0 LE
• Power/Input: USB Type-C for power and programming
• GPIO: Multiple general purpose I/O pins with serial, SPI, I2C, PWM, ADC support
• Programming: Arduino IDE, ESP-IDF, PlatformIO, MicroPython
• Indicator: Onboard LED

Getting Started

1. Install the Arduino IDE or set up ESP-IDF/PlatformIO.
2. Connect the board to your computer using a USB Type-C cable.
3. Select the ESP32-C3 board profile and the correct serial port.
4. Load an example sketch or your firmware and upload.

Why Choose the ESP32 C3 Mini

The ESP32 C3 Mini balances compact size, reliable wireless performance, and flexible programming options. It is an excellent choice for developers building power-conscious IoT devices that require both Wi-Fi and Bluetooth connectivity in a small package.

Note

Images are for illustration purposes only.