STM32 Blue Pill Low Power Tutorial: Sleep, Stop and Standby with PA0 Wake-Up
Use one PA0 button to wake an STM32F103 Blue Pill from Sleep, Stop and Standby. Learn how to interpret wake flags, restore clocks and measure current.
STM32 RTC Tutorial: Blue Pill Clock, VBAT Backup and Reset Retention
Build a Blue Pill real time clock with a 32.768 kHz LSE crystal, VBAT backup power, retained UTC seconds and an STM32CubeF1 UART test.