Hey, I was wondering if I could use an STM32 as a master to communicate to an arduino as a slave device for test purposes. Is there any resources available to assist ? thanks

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Guru

Which STM32, there are a few hundred different parts at this juncture.

Communicating how? You could use a UART to send command/response type packets, or implement modem style AT commands.

Most STM32 devices have libraries and examples demonstrating basic UART functionality.

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