Adafruit HUZZAH32 ESP32 Feather Board
Best compact controller for portable, wireless IoT and sensor projects.
This board is the gold standard for portable IoT, packing dual-core power and wireless connectivity into a tiny, modular footprint. You sacrifice the raw pin count of larger development boards, but you gain an unmatched ecosystem of plug-and-play accessories that makes rapid prototyping effortless.
$19.95
at
Electromaker
Who it's for
- IoT developers building complex, connected wireless projects
- Prototypers needing modular hardware and integrated battery management
- Beginners and educators requiring reliable, well-documented software support
Who should skip it
- Engineers requiring extensive pinouts for complex peripheral arrays
- Developers prioritizing long-term battery life for remote sensors
- Budget-conscious hobbyists seeking the lowest possible hardware cost
Performance breakdown
IoT Connectivity
Integrated Wi-Fi and Bluetooth handle complex wireless projects with ease.
Processing Power
Dual-core 240 MHz performance tackles demanding multitasking and rapid data processing.
Ecosystem Compatibility
Feather form factor offers unmatched modularity with a vast library of add-ons.
Programming Versatility
Seamless support for Arduino, CircuitPython, and ESP-IDF suits every developer level.
Portable Power Management
Onboard LiPo charging makes battery-powered remote sensing projects incredibly simple.
I/O Flexibility
Abundant analog and digital pins provide ample room for complex sensor arrays.
Key Specs
Microcontroller Processor
ESP32
Connectivity Protocol
Wi-Fi, Bluetooth
USB Interface Type
USB-C, Micro USB
Operating Voltage
3.3 V
RAM Capacity
520 MB
Flash Memory Capacity
4 MB
GPIO Pin Count
21
Clock Speed
240 MHz
Integrated Sensors
Temperature Sensor
Form Factor
Feather Compatible
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