This Textbook Introduces Basic And Advanced Embedded System Topics Through Arm Cortex M Microcontrollers, Covering Programmable Microcontroller Usage Starting From Basic To Advanced Concepts Using The Stmicroelectronics Discovery Development Board. Designed For Use In Upper-level Undergraduate And Graduate Courses On Microcontrollers, Microprocessor Systems, And Embedded Systems, The Book Explores Fundamental And Advanced Topics, Real-time Operating Systems Via Freertos And Mbed Os, And Then Offers A Solid Grounding In Digital Signal Processing, Digital Control, And Digital Image Processing Concepts - With Emphasis Placed On The Usage Of A Microcontroller For These Advanced Topics. The Book Uses C Language, The Programming Language For Microcontrollers, C Language, And Micropython, Which Allows Python Language Usage On A Microcontroller.