Easy start with STM32 ARM Cortex-M3 using gcc (stm32f103, nucleo-f103rb)

Update Please check out my more recent article on STM32 Programming: STM32 Returns - System Workbench, STM32Cube, C++, FreeRTOS, MAX7219 and Conway's Game of Life" excerpt AVR to ARM My first introduction to microcontrollers was via the Arduino platform. But I soon started digging a little deeper and got into