STM32F103C8 boards and specs
The STM32 of the Blue Pill boards: a 72 MHz Cortex-M3 with 64 KB of flash and 20 KB of SRAM. Counterfeit and relabelled parts are common on cheap boards.
The STM32 of the Blue Pill boards: a 72 MHz Cortex-M3 with 64 KB of flash and 20 KB of SRAM. Counterfeit and relabelled parts are common on cheap boards.