This book was written to help anyone want to get started with STM32 Nucleo-32 board development. This book describes all the basic elements of the STM32 Nucleo-32 I/O development with step-by-step approach using GNU ARM, OpenOCD and mbed development. The following is a list of highlight topics in this book: Preparing Development Environment Setup Development Environment Debugging Digital Input/Output Serial Communication - UART Working with Analog Input (ADC) Working with Analog Output (PWM) Working with Analog Output (DAC) Working with SPI Working with I2C mbed Development