Arduino for STM32

Thanks for the tips, I got it to work by reinstalling the drivers and re-configure the settings in the arduino IDE.
Now I don't need to work with annoying ST-links and UART usb adapters.

Hello, I just got a RobotDyn STM32 ARM Board (Blue Pill) with the arduino bootloader on it.
It keeps printing "Hello Robotdyn" in the serial port, so i know its working but when trying to upload my own program via the arduino IDE it says
"Timeout error occured while waiting for acknowledgement ...