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Blue pill schematic
Blue pill schematic













blue pill schematic blue pill schematic blue pill schematic

Real Time Clock, as a result of using an RTC module with EEPROM, the STM32 will keep the date and time indefinitely.Relative Ease of Build, avoiding discrete components as much as practical.Moderately fast, this board can use two MCU's and the STM32F103C8T6 (original "Blue Pill") has generally acceptable performance, but the STM32F303CC is even faster similar to an ESP32 for our purposes.Low Cost, using inexpensive commodity components available from multiple sources on eBay, AliExpress and other marketplaces.The STM32 OnStep was conceived with these objectives in mind:















Blue pill schematic