Dogan Ibrahim Libros

Most microcontroller-based applications nowadays are large, complex, and may require several tasks to share the MCU in multitasking applications. Most modern high-speed microcontrollers support multitasking kernels with sophisticated scheduling algorithms so that many complex tasks can be executed on a priority basis. ARM-based Microcontroller Multitasking Projects: Using the FreeRTOS Multitasking Kernel explains how to multitask ARM Cortex microcontrollers using the FreeRTOS multitasking kernel. The book describes in detail the features of multitasking operating systems such as scheduling, priorities, mailboxes, event flags, semaphores etc. before going onto present the highly popular FreeRTOS multitasking kernel. Practical working real-time projects using the highly popular Clicker 2 for STM32 development board (which can easily be transferred to other boards) together with FreeRTOS are an essential feature of this book. Projects include: LEDs flashing at different rates; Refreshing of 7-segment LEDs; Mobile robot where different sensors are controlled by different tasks; Multiple servo motors being controlled independently; Multitasking IoT project; Temperature controller with independent keyboard entry; Random number generator with 3 tasks: live, generator, display; home alarm system; car park management system, and many more.

The Arduino Uno is an open-source microcontroller development system that includes hardware, an Integrated Development Environment (IDE), and extensive libraries, supported by a large community of programmers, engineers, and enthusiasts. These libraries simplify programming and testing, as they are often pre-tested and functional. The Raspberry Pi 4 is versatile, applicable in audio/video devices, industrial controllers, robotics, gaming, and various domestic and commercial uses. Its Wi-Fi and Bluetooth capabilities enhance its suitability for remote and Internet-based control and monitoring applications. This book focuses on utilizing both the Raspberry Pi 4 and Arduino Uno in PID-based automatic control applications. It begins with the fundamentals of control systems and feedback control, providing tested projects for real-life PID controller implementations. Topics include open-loop step time response, PID parameter tuning, and closed-loop time response, accompanied by block diagrams, circuit diagrams, PID controller algorithms, and complete program listings for both platforms. The projects aim to teach PID theory and applications, allowing for modifications for other uses. Projects designed for the Raspberry Pi 4 are compatible with other models in the Raspberry Pi family. The book covers various essential aspects of these technologies.

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