STM32 Resources Getting started with STM32 Devices in Keil using the HAL-ecosystem. November 02, 2016 Simon Burkhardt Download Tutorials as PDF STM32 Tutorial 01 - GPIO Operations STM32 Tutorial 02 - PWM Output STM32 Tutorial 03 - UART Communication STM32 Tutorial 04 - I2C Communication STM32 Tutorial 05 - SPI Communication STM32 Tutorial 06 - GPIO Interrupts