168MHz – 180MHz STM32F4 Cortex-M4 Microcontroller |
512KB – 2048KB on-chip flash |
192KB – 256KB RAM |
2MB – 8MB SPI flash for easy data and configuration storage |
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35 digital input/output pins |
Ready-to-use realtime clock with backup battery |
Debug over a standard USB cable |
Serial Console for runtime communication and diagnostics |
Reset and Device Firmware Upgrade button |
User-programmable LED and button |
Powered via the debug USB connector or by the 5V +Vin line |
Breadboard friendly for quick prototyping |
Flexible development options (develop with one version and deploy with another) |
Schematics and board layout file are open source (via MIT License) allowing you to build and remix the board, either personally or commercially. |
No licensing numbers to manage, no serial keys to loose, and no code-size limitations |