STM32 card is a development board called Blue Pill, it is low cost that incorporates the high-performance ARM®Cortex-M3 32-bit RISC core, this card is suitable for starting projects on the STM32 microcontroller. It comes with male – male header terminals that you can solder yourself.
What is StM32F103C6T6 Blue Pill Card for?
STM32F103C6T6 is a very powerful microcontroller and with 32-bit CPU, it can easily surpass Arduino UNO in performance. To program this board you have to use an ST-LINK V2 programmer since this board does not incorporate a programmer, it needs an external one, there are different ways to program it either with STM32 IDE or even with Arduino IDE.
SPECIFICATIONS AND FEATURES
Type: STM32F103C Blue Pill Card
Model: STM32F103C
Dimensions: 23mm x 53mm
PCB Color: Blue
Voltage supply:
Any pin + 3.3V: (+ 3.3V)
Any pin + 5V: (+ 5V)
MicroUSB connector: (+ 5V)
Io Logical Voltage: 3.3 V
ARM® Cortex-M3® Core Processor
Programming software: STM32CubeProgrammer, STM32CubeIDE, SW4STM32, ARDUINO IDE and Mbed
Preloaded firmware: Bootloader for programming with STLINK
32-bit core size
Digital Inputs/Outputs: 37
PWM Channels:12
ADC inputs: 10 channels A/D 12Bits
CAN, I²C, IrDA, LIN, SPI, UART/USART, USB connectivity
DMA peripherals, motor control by PWM, PDR, POR, PVD, PWM, temp sensor, WDT
Working frequency of 72MHz.
Memory:
Flash: 32 KB   - Note : Bluepill STM32F103C8T6 has 64KB Flash.
SRAM: 20KB
Operating temperature -40°C ~ 85°C