Circuit Diagram and Connection. The circuit diagram to interface 16*2 Dot matrix LCD with STM32F103C8T6 STM32 Blue Pill board is shown below. It is made using the Fritzing Software. As you can see the ...

STM32 SPI Programming. The programming is similar to the Arduino code. The same <SPI.h> library is used in programming STM32F103C8. It can be programmed using USB port without using FTDI programmer, ...