Arduino Nano 33 BLE Sense Rev2

The Arduino Nano 33 BLE Sense Rev2 is a powerful, compact, and versatile microcontroller board designed for Bluetooth Low Energy (BLE) and sensor-based projects. It features the nRF52840 microcontroller (Cortex-M4) with Bluetooth 5.0 support and integrates a range of sensors directly onto the board, making it perfect for projects in robotics, environmental monitoring, and wearable devices.

This board is ideal for use in Internet of Things (IoT) applications, smart home devices, and other wireless systems that require easy communication with smartphones or other Bluetooth devices. The BLE Sense Rev2 comes with built-in sensors, including a 9-axis motion sensor (accelerometer, gyroscope, and magnetometer), temperature, humidity, pressure, and microphone sensors, providing an all-in-one solution for creating connected, smart systems. Additionally, the board features a secure element for data security, making it ideal for IoT solutions requiring encryption.

Technical Specification:

• Microcontroller: nRF52840 (ARM Cortex-M4, 32-bit, 64 MHz)
• Bluetooth: Bluetooth 5.0 Low Energy (BLE) for communication with other BLE devices.
• Operating Voltage: 3.3V
• Input Voltage (recommended): 5V via USB or external power supply (3.6V to 6V).
• Digital I/O Pins: 14 (6 of which can be PWM outputs)
• Analog Input Pins: 8 (12-bit ADC resolution)
• Flash Memory: 1MB
• SRAM: 256KB
• EEPROM: 0KB
• Clock Speed: 64 MHz
• Power Consumption: Low power consumption with multiple sleep modes for battery-efficient applications.
• Sensors:
  • 9-axis Motion Sensor (LIS2MDL, LSM6DSOX): 3D accelerometer, gyroscope, and magnetometer.
  • Temperature Sensor (HTS221)
  • Humidity Sensor (HTS221)
  • Pressure Sensor (LPS22HB)
  • Microphone (MP34DT05)
• USB Interface: Micro USB for programming and communication.
• Secure Element: For secure data storage and communication.
• Dimensions: 45mm x 18mm
• Operating Temperature Range: -40°C to 85°C
• Development Environment: Arduino IDE (compatible with existing Arduino libraries).
  

Features:

• Bluetooth Low Energy (BLE): Supports Bluetooth 5.0 for wireless communication with smartphones, tablets, and other BLE devices.
• Built-in Sensors: Comes with a suite of onboard sensors for motion, environmental monitoring, and sound capture.
  • Accelerometer and Gyroscope (9-axis motion sensor) for motion tracking and orientation.
  • Magnetometer for detecting magnetic fields.
  • Temperature and Humidity Sensor for environmental monitoring.
  • Pressure Sensor for barometric pressure measurements.
  • Microphone for sound sensing and basic audio capture.
• Secure Element: The onboard secure element allows for secure data encryption, making this board suitable for security-sensitive applications.
• Low Power Consumption: Optimized for battery-powered applications with low energy consumption.
• Small Size: Compact form factor (45mm x 18mm) for integration into small devices or wearables.
• Arduino IDE Compatibility: Full compatibility with the Arduino IDE, enabling quick development and prototyping.
• Analog and Digital I/O: 14 digital I/O pins, 6 PWM capable, and 8 analog inputs for flexible interfacing with external components.
• Flexible Communication Protocols: Supports I2C, SPI, UART, and analog interfaces for easy integration with external modules and sensors.
• Advanced Security Features: Built-in encryption and authentication support for secure communication in IoT applications.
  

Pin Description:

• Power Supply Pins:

  • 5V: Power input (from USB or external source).
  • 3.3V: Output for powering external 3.3V components.
  • GND: Ground pins (2x).

• Digital I/O Pins (D0 - D13):

  • General-purpose digital I/O pins for reading sensors or controlling actuators.
  • D3, D5, D6, D9, D10, D11: PWM output capable pins.

• Analog Input Pins (A0 - A7):

  • 8 analog input pins for connecting analog sensors (12-bit ADC resolution).

• SPI Pins:

  • MISO (D12), MOSI (D11), SCK (D13), SS (D10): Pins for SPI communication.

• I2C Pins:

  • SDA (A4) and SCL (A5): Pins for I2C communication.

• UART Pins:

  • TX (D1) and RX (D0): Pins for serial communication.

• External Interrupt Pins:

  • D2, D3 can be used for external interrupts.

Applications:

• IoT Devices: Build connected systems that require data sensing, monitoring, and wireless communication. Examples include smart home systems, wearables, and health monitoring devices.
• Wearable Devices: Use the onboard sensors (motion, temperature, humidity, pressure) to create health trackers or fitness wearables that can communicate wirelessly with mobile devices.
• Environmental Monitoring: Collect data from the temperature, humidity, pressure, and motion sensors for environmental monitoring applications, such as weather stations, smart agriculture, or pollution monitoring.
• Motion Tracking and Gesture Recognition: With the integrated 9-axis motion sensor, this board is perfect for motion tracking, activity recognition, and gesture-based control applications.
• Smart Home and Automation: Control and monitor home devices like lights, thermostats, and alarms using BLE, with data from the onboard environmental sensors to optimize control.
• Sound Sensing Applications: Utilize the microphone sensor to capture sounds and develop basic audio recognition or monitoring systems.
• Security Systems: Develop wireless security applications that leverage Bluetooth for communication and use motion, pressure, or sound sensors for detection.
• Prototyping and Educational Projects: Ideal for learning about Bluetooth communication, sensor integration, and IoT systems development in an educational setting.
• Smart Wearables and Accessories: Develop interactive, Bluetooth-enabled wearable gadgets that can communicate with smartphones for data synchronization or alerts.