Arduino · nRF52
Arduino Nano 33 BLE
A Nano with Nordic's nRF52840: great BLE, floating point and TinyML demos (especially in the Sense version).
BLEThread/Zigbee3.3 V logicBreadboard
Typical price
$26.50
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Specifications
| Maker | Arduino |
|---|---|
| Chip | nRF52840 |
| CPU | Arm Cortex-M4F |
| Clock speed | 64 MHz |
| Wi-Fi | None |
| Bluetooth | Bluetooth 5 (LE) |
| Zigbee / Thread radio | Yes (802.15.4) |
| GPIO pins | 22 usable |
| ADC | 8 channels, 12-bit |
| DAC | None |
| Flash | 1 MB |
| RAM | 256 KB |
| Logic level | 3.3 V |
| Power input | 4.5–21V VIN / 5V USB |
| Deep sleep (typ.) | ~50 µA |
| Active current (typ.) | ~15 mA |
| Form factor | Breadboard |
| USB | Micro-USB (native) |
| Programming | Arduino C++, MicroPython |
| Released | 2019 |
Typical values. Sleep current is approximate; whole-board numbers are higher than the bare chip's datasheet figure.
Pros
- Strong BLE stack and hardware FPU
- Great for TinyML with the Sense version
- Low power for an Arduino board
Cons
- Thread/802.15.4 not supported by the Arduino core
- 3.3 V only
- Expensive compared with generic nRF52840 boards
Best use cases
- 01BLE sensors and wearables
- 02Gesture and sound-recognition (TinyML)
- 03Low-power data loggers
- 04BLE HID devices
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