I have a stm32f429 discovery board, can I use its 3V/5V pin as power supply?Image below is from mb1705c, I'm not sure the meaning of "EXT_5V, Input only".I would appreciate it if you could answer my question.

In STM32F429ZI datasheet (DocID024030 Rev 10), in the beginning (page 1) it says:"LCD-TFT controller with fully programmable resolution (total width up to 4096 pixels, total height up to 2048 lines and pixel clock up to 83 MHz)". But in functional ov...

I bought a stm32f429i-disc1 board and I want to learn how to communicate to stmpe811 with I2C protocol, now I'm a little confused. According to stmpe811's data sheet, its address is 0x82 because its A0 pin is connected to ground, but board's schemati...

I bought a second-hand stm32f429 discovery board, here is its image. I found 4 schematics on ST website (MB1075b~MB1075e), but I can't confirm which one corresponding to my discovery board. Accroding to the information shown on board , my board is DI...