ESP32C3 PRO MINI ESP32-C3FH4 WiFi Bluetooth Dev Board

ESP32C3 PRO MINI ESP32-C3FH4 RISC-V WiFi Bluetooth 5.0 IoT Development Board

The ESP32C3 PRO MINI is a compact wireless microcontroller development board built around the ESP32-C3FH4 chipset. It integrates a modern 32-bit RISC-V processor with WiFi and Bluetooth Low Energy connectivity, making it suitable for smart automation, robotics, wireless sensors, and embedded IoT systems. The board is designed for makers, students, and engineers who need reliable wireless communication in a small form factor while maintaining low power consumption.

Despite its small size, the board provides multiple GPIO pins, ADC inputs, and standard communication interfaces including UART, I2C, and SPI. The onboard ceramic antenna and optional IPEX connector allow stable wireless communication in both indoor and outdoor environments. This makes the module practical for educational electronics, prototyping, and real-world deployment projects available through platforms such as Bigyan Project where learners build connected electronics and automation systems.

Product Specifications

Features

• RISC-V based ESP32-C3 processor with floating point support
• Integrated WiFi and Bluetooth Low Energy connectivity
• Compact size suitable for wearable and embedded systems
• Low power deep sleep operation
• Onboard ceramic antenna and external antenna option
• PWM capable GPIO pins
• ADC support for sensor reading
• Standard serial communication interfaces
• Boot and reset buttons for firmware flashing
• Secure boot and hardware encryption support

Applications / Use Cases

• Home automation systems
• Smart switches and IoT controllers
• Wireless sensor networks
• Robotics projects
• Wearable electronics
• Remote monitoring devices
• WiFi data logging systems
• Bluetooth beacon projects
• Educational electronics learning kits from Bigyan Project

User Guide / How to Use

• Install Arduino IDE or ESP-IDF development environment
• Add ESP32 board package in the board manager
• Select ESP32C3 board profile
• Connect board using USB-to-Serial adapter
• Press boot button while uploading firmware
• Upload example sketch such as WiFi scan or LED blink
• Connect sensors through GPIO, I2C, or SPI
• Configure WiFi credentials inside the program
• Monitor serial output using serial monitor

Frequently Asked Questions (FAQs)

• Q: Is this board compatible with Arduino IDE?
  A: Yes, it supports Arduino IDE after installing the ESP32 board package.
• Q: Does the board support Bluetooth classic audio?
  A: No, ESP32-C3 supports Bluetooth Low Energy only.
• Q: Can I run the board using battery power?
  A: Yes, its low power consumption makes it suitable for battery-powered IoT devices.
• Q: Do I need an external antenna?
  A: Not required, but the IPEX connector allows extended range if needed.
• Q: Can it read analog sensors?
  A: Yes, it includes 4 ADC input pins for analog sensors.

Challenges and Considerations

• Requires USB-to-TTL converter for programming
• Limited number of GPIO compared to larger ESP32 boards
• Bluetooth classic not supported
• Careful voltage regulation required for stable operation
• Small size requires precise soldering in embedded installations

Compatibility

• Arduino IDE
• ESP-IDF framework
• MicroPython firmware
• Common I2C sensors such as OLED displays and temperature sensors
• SPI devices including displays and SD card modules
• Robotics controllers and relay modules available at Bigyan Project

Future Enhancement Options

• External antenna for longer wireless range
• Battery powered portable IoT devices
• Integration with cloud IoT platforms
• Smart agriculture monitoring systems
• Wireless home security automation
• Mobile app controlled automation systems

Benefits

• Energy efficient wireless communication
• Compact size for small enclosures
• Modern RISC-V architecture
• Secure encryption hardware
• Affordable development platform for students
• Flexible connectivity for IoT applications

Conclusion

The ESP32C3 PRO MINI offers a balanced combination of wireless connectivity, low power consumption, and compact design. It is suitable for learning, prototyping, and deploying real IoT products. Whether building automation systems, sensor networks, or robotics projects, this board provides reliable performance and modern architecture for developers and students working with embedded electronics and educational platforms like Bigyan Project.

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