I originally wanted to test the low power consumption, but when I saw that the board had to be cut, I decided to leave it for later and run the external flash function first.
1. Determine the hardware
1. Pin configuration 2. Interrupt function configuration One pin configuration (taking pin P2.1 as an example) P2DIR = 0x01; //Configure as input P2IE |= 0x01; P2IES |= 0x01; Other registers can be co
This is the STM32F103 board I drew last year. It was designed according to the official schematic diagram. There is no problem running the program and the functions of the project are also realized. I
[i=s]This post was last edited by paulhyde on 2014-9-15 03:10[/i] [size=14pt][font=宋体]Eight groups of digital buzzers are participating in the competition. Each group of buzzer buttons is used for buz