Updated Spesense photo and added Nano BLE 33

_board/arduino_nano_33_ble.md

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+---
+layout: download
+board_id: "arduino_nano_33_ble"
+title: "NANO 33 BLE Download"
+name: "NANO 33 BLE"
+manufacturer: "Arduino"
+board_url: "https://www.arduino.cc/en/Guide/NANO33BLE"
+board_image: "arduino_nano_33_ble.jpg"
+---
+
+This compact and reliable NANO board is built around the NINA B306 module, based on Nordic nRF 52840 and containing a powerful Cortex M4F. 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 is also ideal for automation projects thanks to the multiprotocol BT 5.0 radio.
+
+## Purchase
+* [Arduino](https://store.arduino.cc/usa/nano-33-ble)
+
+## Contribute
+
+Have some info to add for this board? Edit the source for this page [here](https://github.com/adafruit/circuitpython-org/edit/master/_board/{{ page.board_id }}.md).