Adafruit Feather nRF52840 Express
Product number: ADA4062
€27.45
Available · 9 piece · 1-3 days
€27.45*
Product information "Adafruit Feather nRF52840 Express"
This chip has twice as much flash and four times as much SRAM as its earlier sibling, the nRF52832 - 1MB FLASH and 256KB SRAM. Compared to the nRF51, this board has 4-8 times more of everything.
This chip has Arduino IDE support - you can program the nRF52840 chip directly to take full advantage of the Cortex-M4 processor, and then call the Nordic SoftDevice radio stack when you need to communicate over BLE. Since the underlying API and peripherals are the same for the '832 and '840, you can supercharge your older nRF52832 projects with the exact same code, with a single recompile!
We also chose this chip for our first BLE-friendly CircuitPython board! CircuitPython works best with hard drive access, and this is the only BLE-plus-USB-native chip, that has the memory to run a small Python interpreter. The large RAM and fast Cortex-M4F chip make this a good combination.
It has a lot of great peripherals: lots of GPIO, analogue inputs, PWM, timers etc. Best of all, it has native USB! Finally, no separate USB serial chip like CP2104 or FT232 is needed. The serial is handled as a USB CDC descriptor, and the chip can behave like a keyboard, a mouse, a MIDI device or even a floppy drive. This chip has TinyUSB support - this means you can use it with Arduino as a native USB device and act as a UART (CDC), HID, mass storage, MIDI and more!
Some other upgrades we've included are an additional 'USER' switch that can be used to trigger OTA updates (or whatever you choose), a NeoPixel LED for status updates, 2 MB QSPI flash for storing CircuitPython files, and an SWD connector.
We have pre-programmed the chip with our UF2 bootloader, which can be programmed either via command line UART programming with nrfutil (we use this for Arduino) or via drag-and-drop mass storage, for the CircuitPython installation and also because bootloaders with mass storage make updating the firmware so easy. Want to program the chip directly? You can use our command line tools with your favourite editor and toolchain . If you want to use an SWD programmer/debugger (for even more advanced applications), we have a standard 2x5 0.05" connector.
Best of all, we've done all the hard work of getting the low-level BLE stack into shape, so you can focus on your project from day one! The sample code works great with the existing iOS and Android app.
Features:
- ARM Cortex M4F (with HW floating point acceleration), runs at 64MHz
- 1MB Flash and 256KB SRAM
- Native open-source USB stack - pre-programmed with UF2 bootloader
- Bluetooth low energy compatible 2.4 GHz radio (details in the nRF52840 product specification)
- FCC / IC / TELEC certified module
- Up to +8dBm output power
- 1.7V to 3.3V operation with internal linear and DC/DC voltage regulators
- 21 GPIO, 6 x 12-bit ADC pins, up to 12 PWM outputs (3 PWM modules with 4 outputs each)
- Pin #3 red LED for general flashing, NeoPixel for coloured feedback
- Power/enable pin
- Dimensions 2.0" x 0.9" x 0.28" (51mm x 23mm x 7.2mm) without soldered headers
- Light as a (big?) feather - 6 grams
- 4 mounting holes
- Reset button
- SWD connector for debugging
- Works out of the box with all Adafruit FeatherWings! (even the UART-using ones like the GPS FeatherWing)
To make it easier to use for portable projects, we have included a connection for one of our 3.7 V lithium polymer batteries and an integrated charging function. You don't need a battery because it runs directly from the micro USB port. But if you have a battery, you can take it with you and then plug it into the USB port for charging. The Feather automatically switches to USB power when it is available. We've also connected the battery to an analogue pin via a divider, so you can measure and monitor the battery voltage to see when you need a recharge.
The power of Bluefruit LE
The Bluefruit LE module is an nRF52840 chipset from Nordic, which can be used as both the main microcontroller and Bluetooth Low Energy interface. Most people will be very happy using the standard Nordic UART RX/TX connection profile - code is supplied! In this profile, the Bluefruit acts as a data line that can "transparently" transmit back and forth from your iOS or Android device. You can use the Bluefruit iOS app or Android app , or write your own, to communicate with the UART service.
Thanks to an Arduino wrapper library, you have full control over the behaviour of the device, including the ability to define and manipulate your own GATT services and properties or change the way the device makes itself visible to other Bluetooth Low Energy devices.
Use the Bluefruit app to start your project
With the Bluefruit iOS app or Android app you can quickly prototype your project using your iOS or Android phone/tablet as a controller. We have a colour picker, quaternion/accelerometer/gyro/magnetometer or location (GPS), and an 8-button control gamepad. This data can be read via BLE and processed directly by the nRF52 microcontroller
Comes fully assembled and tested, with a USB bootloader that allows you to quickly install it using the Arduino IDE or CircuitPython. We also include some pin headers so you can solder it in and plug it into a solderless breadboard Lipoly battery and MicroUSB cable not included
| Zolltarifnummer: | 85176200 |
|---|---|
| Brand: | Adafruit |
| Country of Origin: | USA |
| EAN: | 5055421003906 |
| Gross Weight (kg): | 0.010 |
| Manufacturer ID: | 4062 |
| Product ID: | ADA4062 |
Adafruit
Adafruit: The expert for open source hardware
For more than ten years, programmers and tinkerers have benefited from the expertise of the Adafruit brand. Whether for beginners or proven experts, Adafruit has the right hardware components ready for your next IoT project.
Light comes into the dark with Adafruit NeoPixel
One extremely popular product line from the company's broad portfolio is Adafruit NeoPixel. These nifty LED components come in a wide variety of designs and color temperatures. NeoPixel modules are available, for example, in the form of a practical stick with five intelligent LEDs in red, green and blue (RGB) or in white (W), as a shield with 40 eye-saving RGBW LEDs in which all pixels are individually addressable, and as a jewel with seven RGBW LEDs that can be controlled with 8-bit PWM per channel.
Especially popular is the Adafruit NeoPixel Ring with 16 ultra-bright, intelligent RGB LEDs including integrated drivers, which you only need a single microcontroller to control. The trick is that the Adafruit NeoPixel rings form a chain, so to speak: You couple the output pin of one with the input pin of the other.
With the Adafruit NeoPixel products you can realize a wide variety of projects - there are virtually no limits to your creativity. With the help of an Arduino, a jumper cable and the appropriate software, you can control a NeoPixel ring individually and light up the small LEDs as you wish - either individually or in a specific combination. This way, you can also create your own Vu meter with the versatile LED components. Practical: To make programming Adafruit NeoPixel easier, Adafruit provides an Arduino library as well as a Python library.
Adafruit Feather Boards: Powerful hardware in a compact format
With Adafruit Feather, the hardware specialist from the States also has various powerful development boards in its range, which are essentially equivalent to an Arduino in terms of function. All of these boards are equipped with similar features; among other things, the pin assignment is the same and there are also many parallels when it comes to the microcontrollers and the battery charging properties. In addition, you can also find Feather boards with special devices like Bluetooth, Wi-Fi and cellular network connectivity as well as boards with microSD slot in Adafruit's product range. The name "Feather" is no coincidence: The boards are also characterized by being particularly compact and, above all, lightweight.
The range of top-class product highlights is wide: The STM32F405 Feather, for example, is the fastest CircuitPython board from Adafruit with an outstanding 168 MHz and meets the highest demands. It is equipped with a STEMMA QT / Qwiic port at the end, which makes it easy to connect to I2C sensors. The Adafruit Feather nRF52840 Express, on the other hand, shines with Bluetooth Low Energy and can also be used with CircuitPython thanks to native USB support.
Another important part of Adafruit's portfolio are the FeatherWings. With these expansion modules, you can also include components such as a display or a motor driver in your IoT project. The FeatherWing Proto is a proven classic in Adafruit's portfolio. This is ideally suited as a prototyping add-on for all Feather boards. The Adafruit FeatherWing Wing Tripler Mini Kit, on the other hand, is ideal if you want to connect a Feather to two other FeatherWings at the same time.
With the Adafruit MIDI FeatherWing Kit you get a music capable FeatherWing, thanks to which you can equip your Feather with MIDI input and output jacks. And with the Adafruit FeatherWing OLED you can easily add a small OLED display to your Feather board - no soldering required.
Adafruit: What's behind the brand
As an expert in open-source hardware, Adafruit has long since established itself in the electronics industry. The company was founded in 2005 by Limor Fried. At the time, the talented and innovative electrical engineer was still a student at the renowned Massachusetts Institute of Technology (MIT). To this day, Fried is CEO of the electronics giant, which is now headquartered in New York. The company's name also goes back to its founder: Fried was once known on the World Wide Web by the nickname "Ladyada" - a tribute to the famous IT pioneer Ada Lovelace.
Adafruit says it is committed to getting more people excited about technology and science - and thanks to its first-class products, the hardware expert from the USA is sure to succeed!
Adafruit Industries, LLC
168 39th Street 1905CC
US 11232 Brooklyn, New York
https://www.adafruit.com
[email protected]
WEEE number: 20453810
Person responsible for the EU
Sertronics GmbH
Am Studio 20d
DE 12489 Berlin
https://www.berrybase.de
[email protected]
Safety instructions
- Only use the product in suitable environments and in accordance with the technical specifications.
- Avoid contact with water, moisture or extreme temperatures.
- Always disconnect the power supply before working on the circuit.
- Do not operate in the vicinity of flammable substances.
- Only use with compatible power sources and components to avoid damage.
- Do not use if there is visible damage or malfunction.
- Do not carry out any unauthorised modifications or repairs.
- Avoid electrostatic discharges, always work earthed.
- Dispose of in accordance with local regulations for electronic waste.
- Do not dispose of in household waste, but dispose of at appropriate collection points.
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