Adafruit Airlift Featherwing Co-Processor
Best wireless upgrade for developers adding internet connectivity to microcontroller projects.
This add-on is the easiest way to give your microcontroller projects reliable internet access without bogging down your main processor. By offloading the heavy lifting of network management and SSL encryption to a dedicated chip, you gain seamless connectivity at the cost of using a bit more board space.
$12.90
Who it's for
- Makers needing simple wireless connectivity for existing Feather projects
- Developers optimizing performance on resource-constrained microcontrollers
- Beginners relying on extensive documentation and community support
Who should skip it
- Budget-conscious hobbyists avoiding extra hardware costs
- Engineers seeking a standalone, all-in-one wireless solution
- Advanced users prioritizing minimal communication latency and complexity
Performance breakdown
Integration Ease
FeatherWing form factor makes stacking with existing boards incredibly straightforward.
Offloading Efficiency
Handles complex SSL encryption tasks without taxing your main microcontroller.
Bus Compatibility
Tri-state MISO chip allows for seamless sharing of the SPI bus.
Connectivity Reliability
ESP32 chip provides stable, robust WiFi performance for demanding IoT projects.
Software Support
Excellent library support for both Arduino and CircuitPython ecosystems.
Power Management
Requires significant current during WiFi usage, necessitating careful power budget planning.
Key Specs
Dimensions
50 x 23 x 5mm
Manufacturer
Adafruit Industries
Made In
United States
Power Supply Requirement
Up to 250mA during WiFi usage
Communication Protocol
8MHz SPI
Manufacturer Part Number
4264
Processor
ESP32
Connectivity
WiFi
Operating Voltage
3.3V
Form Factor
FeatherWing
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