Onboard ST-LINK/V2-1 debugger/programmer with USB re-enumeration capabilities: mass storage, virtual COM port and debug port Comprehensive free software libraries and examples available in the STM32Cube package Supports multiple integrated development environments (IDEs), including IAR™, Keil®, GCC-based IDEs, Arm® Mbed™ Compliant with Arm® Mbed Enabled™ (only available on certain Nucleo part numbers) The ST Zio connector expands for Arduino Uno V3 connectivity, the ST morpho headers provide an easy way to extend the functionality of the Nucleo open development platform, and a wide range of dedicated shields are available. STM32 microcontroller in LQFP144 package External SMPS generates Vcore logic supply (only available on "-P" suffix boards) Ethernet compliant with IEEE-802.3-2002 (depending on STM32 support) USB OTG or Full-Speed Device (depending on STM32 support) 3 user LEDs 2 user and reset buttons 32.768 kHz crystal oscillator Board connectors: USB with Micro-AB Ethernet RJ45 (depending on STM32 support) ST Zio connector, including for Arduino Uno V3 ST form factor Flexible power supply options: ST-LINK USB VBUS or external power The product appearance and printed words may vary depending on the batch, but this does not affect use. Colour:As Shown Material:PCB Package Contents: 1 * board Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.