Do I need to install external crystal for STM32

[OElso.1]

I just got an STM32 Nucleo 64 - F411RE.

The board has a crystal installed on the debugger, and a crystal oscillator on the board.

Do I need to install an external crystal in the provided space X3? and how can I do so?

It's my first time using STM32 I don't really know what to do.

I will be using the board with FREE RTOS to drive motors for a robotic arm.

[TDK]

No, you don't need to install a crystal. The 8MHz clock source coming from the ST-Link chip is driven by a crystal and is very accurate. Even if the crystal wasn't there, you could use the internal HSI clock source with decent accuracy.

[OElso.1]

Thanks a lot for your help