Do I need to draw my own circuit board for the electronic competition? Or do I use a ready-made development board?
Do you need to do the welding yourself?
Newbie, please help! I'm about to cry!
I'm adjusting the driver of enc28j60 recently. It was successfully driven on f103 board before. Now it is transplanted to f407. I changed the library of f407, spi interface function and pin definition
I saw a step-down circuit of the LM3478 chip, but I don't understand the peripheral circuit of the chip, especially pin 1 (Isen). According to the datasheet, it should always be in short-circuit prote