NANO 33 BLE Rev2
by Arduino
Please note that the pictured board is a Nano 33 BLE Sense Rev2. This build works with both the Nano 33 BLE Rev2 and the Sense Rev2.
This compact and reliable NANO board is built around the u-blox NINA-B306 module, based on the Nordic nRF52840 and containing a powerful Cortex-M4F core. Its architecture, fully compatible with Arduino IDE Online and Offline, has a 9-axis Inertial Measurement Unit (IMU) and a reduced power consumption compared to other same size boards. This allows the design of wearable devices and movement sensing projects that need to communicate to other devices at a close range. Arduino Nano 33 BLE Rev2 is also ideal for automation projects thanks to the multiprotocol BT 5.0 radio.
The Arduino NANO 33 BLE Sense Rev2 adds an APDS-9960 light, colour, gesture and proximity sensor; an LPS22HB pressure and temperature sensor; an HS3003 humidity sensor; and a MP34DT06JTR microphone.
To use this board with CircuitPython you must replace the existing bootloader with the Adafruit UF2 bootloader. You need to restore the original bootloader to use the board again with Arduino.
Image from Arduino, licensed under CC BY-SA 4.0.
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CircuitPython 9.2.1
This is the latest stable release of CircuitPython that will work with the NANO 33 BLE Rev2.
Use this release if you are new to CircuitPython.
On nRF boards, CircuitPython 8.2.0 and later require UF2 bootloader version 0.6.1 or later. Older bootloaders cannot load the firmware. See Update UF2 Bootloader below.
Built-in modules available: _asyncio, _bleio, _pixelmap, adafruit_bus_device, adafruit_pixelbuf, aesio, alarm, analogio, array, atexit, audiobusio, audiocore, audiomixer, audiomp3, audiopwmio, binascii, bitbangio, bitmapfilter, bitmaptools, board, builtins, builtins.pow3, busdisplay, busio, busio.SPI, busio.UART, codeop, collections, countio, digitalio, displayio, epaperdisplay, errno, fontio, fourwire, framebufferio, getpass, gifio, i2cdisplaybus, io, jpegio, json, keypad, keypad.KeyMatrix, keypad.Keys, keypad.ShiftRegisterKeys, keypad_demux, keypad_demux.DemuxKeyMatrix, locale, math, memorymap, microcontroller, msgpack, neopixel_write, nvm, onewireio, os, os.getenv, paralleldisplaybus, pulseio, pwmio, rainbowio, random, re, rgbmatrix, rotaryio, rtc, sdcardio, select, sharpdisplay, storage, struct, supervisor, synthio, sys, terminalio, time, touchio, traceback, usb_cdc, usb_hid, usb_midi, vectorio, warnings, watchdog, zlib
Features: Bluetooth/BTLE, Breadboard-Friendly, Castellated Pads
Absolute Newest
Every time we commit new code to CircuitPython we automatically build binaries for each board and language. The binaries are stored on Amazon S3, organized by board, and then by language. These releases are even newer than the development release listed above. Try them if you want the absolute latest and are feeling daring or want to see if a problem has been fixed.
Previous Versions of CircuitPython
All previous releases of CircuitPython are available for download from Amazon S3 through the button below. For very old releases, look in the OLD/ folder for each board. Release notes for each release are available at GitHub button below.
Older releases are useful for testing if you something appears to be broken in a newer release but used to work, or if you have older code that depends on features only available in an older release. Otherwise we recommend using the latest stable release.
Update UF2 Bootloader
Latest version: 0.9.2
The bootloader allows you to load CircuitPython, MakeCode, and Arduino programs. The bootloader is not CircuitPython. You can check the current version of your bootloader by looking in the INFO_UF2.TXT file when the BOOT drive is visible (FEATHERBOOT, CPLAYBOOT, etc.).
It is not necessary to update your bootloader if it is working fine. Read the release notes on GitHub to see what has been changed. In general, we recommend you not update the bootloader unless you know there is a problem with it or a support person has asked you to try updating it.
On nRF boards, CircuitPython 8.2.0 and later require UF2 bootloader version 0.6.1 or later. Older bootloaders cannot load the firmware. To check the version of your board's bootloader, look at INFO_UF2.TXT when the BOOT drive is present. To update the bootloader, refer to the "Update Bootloader" page in the guide for your board, or start with this page.
After you update, check INFO_UF2.TXT to verify that the bootloader version has been updated. Then you will need to reload CircuitPython.