I designed the password lock schematic diagram myself. After I drew it, I always get a bus error when compiling the schematic diagram! What's going on? P1 is used for keyboard input, P3 is used to dis
[i=s]This post was last edited by qwqwqw2088 on 2020-3-19 09:26[/i]Problem statement:
BQ3050 battery management packages the battery. There is only one Pack+ and Pack-. How to select the power path?
A
Now we need to use the built-in FLASH of STM32 to save data. The idea is this: use one page of FLASH (1KB, use P_save) to save data, save data once every hour, save 4 bytes each time, write data from
Figure 3.6 Digital tube display program flow When writing the program, the resource utilization of the microcontroller is taken into consideration, and a timer is used to provide timing services for k