nRF52840 module based Feather board with LiPo chargerDesigned by Invector Labs in Sweden
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Challenger 840 BLE – 2MB The Challenger 840 BLE board is an Arduino/Circuitpython compatible Adafruit Feather format micro controller board packed with loads of functionality for your projects that r…Read More…
The Challenger 840 BLE board is an Arduino/Circuitpython compatible Adafruit Feather format micro controller board packed with loads of functionality for your projects that require low power consumption and a BLE connection.
The main controller of this board is the Nordic Semiconductor nRF52840 with 1MByte of FLASH memory and 256KByte of SRAM. The nRF52840 SoC is the most advanced member of the nRF52 Series. It meets the challenges of sophisticated applications that need protocol concurrency and a rich and varied set of peripherals and features. It offers generous memory availability for both Flash and RAM, which are prerequisites for such demanding applications.
The nRF52840 is fully multi protocol capable with full protocol concurrency. It has protocol support for Bluetooth LE, Bluetooth mesh, Thread, Zigbee, 802.15.4, ANT and 2.4 GHz proprietary stacks.
In the recent years we have noticed that we are seeing more and more USB Type C cable laying around the lab due to the fact that all new phones and accessories use them. As of yet we haven’t seen any shortage of micro USB cables but we are not getting any new ones any more and old ones do break occasionally. So we decided to go for a USB Type C connector for this board. A bonus of this is that they are quite bit more durable and you don’t have to fiddle with the cable before plugging it in.
The board is packed with hardware features, here’s a short list of its most prominent ones.
The boards comes with loose headers that can be soldered to the board if your application requires it.
The Challenger 840 BLE board is 100% compatible with the Arduino framework. It has a unique board support package that fully supports all the features of the board. You can also install and run Circuitpython on the board if this is what you want to do. Check out the “Getting Started” tab for more information on how to setup your environment.
In order to start using the Arduino environment for the Challenger 840 BLE board you need to install a board support package for the board. This is how you do it.
The first thing we need to do is to tell the IDE where to find the board support package.
Go to the preferences in the Arduino IDE. You will find it in the “File” menu and it looks something like this:
Now, click on the the little box to the right of the “Additional Boards Manager URL’s” (circled in blue) and the following dialog will pop up: In this dialog you should add the URL of the board support description file. I’ve already done it in the picture above. The URL you should use is: https://ilabs.se/files/package_ilabs-nrf52_index.json
When you have entered the URL you can close the “Additional Boards Manager URLs” dialog and the “Preferences” dialog by clicking “OK”.
When you have set up the URL for the board description we need to tell the Arduino IDE to download all the necessary tools and board support files.
Go to the tools menu and click on the “Board:” entry, then click on “Boards Manager”. This will give you the following dialog: Type NRF52 into the circled text box to find the proper board support package and then click on the Install button in the “Adafruit/iLabs nRF52” entry.
After the installation process completes you are now ready to start developing C/C++ programs for the Challenger 840 BLE board.
Now, check out the examples section for for inspiration on how to get going =)
The Challenger 840 BLE board is fully compatible with Adafruits CircuitPython. You can download the latest and greatest circuitpython interpreter from here.
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