Xiaoyanzi is a female man, Ziwei wants her father to die, she is in mourning all day, Jinsuo is just a coquettish person who is looking for support, but Qing'er is more pleasing to the eye, it's all f
I have been adjusting it for several days and am about to collapse. Let me explain the situation:PB8\PB9 of STM32F103VCT6 is used as I2C1, connected to PCF8563, there is no problem with the hardware c