Arduino Nano 33BLE Sense Rev2 with Headers ABX00070
🌐 Core Features & Capabilities
🧠 Powerful MCU & Connectivity
Nordic nRF52840 Cortex‑M4F processor with BLE 5 multiprotocol radio — supports Bluetooth Low Energy, long‑range, and other protocols.
1 MB flash + 256 KB RAM gives ample room for embedded logic, data buffering, and on‑device ML/AI.
Native USB capability simplifies programming and serial communication.
📡 Wireless & IoT Ready
Bluetooth 5 / BLE lets the board act as BLE peripheral or central, connecting to phones, tablets, wearables, and BLE sensors.
NFC‑A tag support for pairing and interactions.
Ideal for smart devices, wearables, remote controls, and IoT connectivity.
🧪 Rich Sensor Suite (All Built‑In)
This board packs multiple advanced sensors on the PCB — eliminating the need for external modules:
Motion & Orientation
BMI270 (6‑axis IMU: accelerometer + gyroscope)
BMM150 (3‑axis magnetometer)
→ Together create a 9‑axis motion unit for gesture, motion, and orientation tracking.
Environmental
LPS22HB barometric pressure sensor
HS300x humidity & temperature sensor
→ Useful for weather stations, indoor air quality monitoring, or environmental logging.
Light & Proximity
APDS‑9960 for light intensity, color measurement, proximity sensing, and gesture detection.
Audio / Voice
MP34DT06JTR digital microphone for sound capture — supports audio processing and voice applications.
This multi‑sensor platform makes the board excellent for TinyML, smart wearables, gesture/voice recognition, and interactive systems without external hardware.
⚙️ I/O & Expansion
📍 General I/O
14 digital pins (all PWM capable if needed).
8 analog inputs (12‑bit ADC) — read sensors like potentiometers, light, temperature, etc.
UART, SPI, I²C for external modules or sensor expansions.
Interrupt capabilities on all digital pins for responsive designs.
⚠️ Note: All I/O runs at 3.3 V logic — direct 5 V signals can damage the board.
🧠 Software & Development
✔ Program with Arduino IDE using the Arduino nRF528x Boards (Mbed OS) package.
✔ Supports ArduinoBLE library for Bluetooth and BLE interactions.
✔ Compatible with TensorFlow Lite Micro and Edge Impulse tools for on‑device AI and ML (gesture recognition, voice classification, anomaly detection).
🚀 Typical Use Cases
📌 Wearables & Fitness Trackers — motion, orientation, and gesture detection.
📌 Voice & Gesture Interaction — onboard mic + gesture sensor for human‑computer interfaces.
📌 Environmental Monitoring — indoor air quality, temp/humidity, barometric data.
📌 Smart IoT Devices — BLE hubs, remote controls, mobile health sensors.
📌 TinyML & Edge AI projects — gesture/voice classification with tiny neural networks.
📊 Quick Tech Specs
| Category | Details |
|---|---|
| MCU | Nordic nRF52840 Cortex‑M4F @ 64 MHz |
| Flash | 1 MB |
| RAM | 256 KB |
| Wireless | Bluetooth 5 / BLE, NFC‑A |
| I/O Pins | 14 GPIO (PWM capable) |
| Analog Inputs | 8 × 12‑bit |
| USB | Native USB via MCU |
| Sensors | 9‑axis IMU, barometer, temp/humidity, light/color/gesture, microphone |
| Power | 3.3 V logic; input via USB/VIN ≤ 21 V |
| Size | ~45 × 18 mm |
| Logic Voltage | 3.3 V (not 5 V tolerant) |
🧠 Why It Matters
The Nano 33 BLE Sense Rev2 blends advanced sensing, wireless connectivity, AI/ML support, and compact form factor in one board — giving builders, makers, and researchers a complete embedded platform for smart systems without needing extra sensors or radios. Its integration with BLE and AI makes it a strong choice for next‑gen IoT, wearables, and interactive devices.
