STM32F103C8 Schematic PDF | PDF | Computing And Information Technology | Science
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STM32F103C8 Datasheet(PDF) - STMicroelectronics
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STM32F103C8T6 Blue Pill Development Board Pinout, Specs, Equivalent & Datasheet
STM32F103C8 - Mainstream Performance line, Arm Cortex-M3 MCU with 64 Kbytes of Flash memory, 72 MHz CPU, motor control, USB and CAN - STMicroelectronics
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STM32F103C8 datasheet(11/105 Pages) STMICROELECTRONICS | Medium-density performance line ARM-based 32-bit MCU with 64 or 128 KB Flash, USB, CAN, 7 timers, 2 ADCs, 9 com. interfaces
STM32F103C8T6 Blue Pill Development Board Pinout, Specs, Equivalent & Datasheet