This page is read only. You can view the source, but not change it. Ask your administrator if you think this is wrong. The STM32 is an ARM based micro controller (MCU) manufactured by [https://www.st.com/content/st_com/en.html|ST Microelectronics] A popular version is the stm32f103c8t6 which is used in many development platforms such as Bluepill, Teensy, Maple and Nucleo. It can be programmed using the Arduino IDE and the C programming language.