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STM32vldiscovery and bt module

Question asked by Zuzzuz on Dec 21, 2012
Latest reply on Dec 23, 2012 by Zuzzuz
Hi i want to connect my stm32vldiscovery with HC05 Bluetooth module, the communication is uart and this HC05 need to have only3.3V on uart_tx and uart_rx, can i connect directly on uart port of stm32vldiscovery? or i need a resistor i don't know if stm32vldiscovery uart port works on 5v or 3.3v.
Someone can help me?
Thanks

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