EXASUB

Tag: VGA

  • Do not connect microcontroller pins to the VGA monitor directly

    I tried to generate VGA signal on stm32f103 I used two timers, the TIMER 2 generate the horizontal sync and then the second timer TIMER 3 is configured in gated slave mode which generates the vertical sync. Then I used HAL_SPI_TRANSMIT_DMA function inside the timer 2 interrupt handler. I in a hurried manner connected the…