MultiWii

Hi, Is the naze32 serial port, the one I'm connecting to KV-OSD , 5 V compatible? ............. Thank you UART port1 (the one used by USB FTDI chip, and RX for sat in, TX pad which is also inverted for TELEM pin) is 5v tolerant....UART2, ie RC3/4 is not, but most 5V GPS are 3V signal level outputs ...

Hi, Is the naze32 serial port, the one I'm connecting to KV-OSD , 5 V compatible? I burned 2 boards recently, most probably by the KV-OSD magic powers. The STM32 is very hot. Second question, can I replace just the IC? I know they should be programmed first with their specific bootloader. I'm just n...