This book contains peer-reviewed papers presented at the 3rd International Conference on Emerging Electronics & Automation (E2A) 2023. It aims to provide a compilation of the scientific exchanges that occurred during the conference at NIT Silchar, India. The proceedings cover the latest scientific endeavors and accomplishments in various emerging fields, including instrumentation, control, signal processing, communication, and related computational techniques. The book seeks to present the global audience with updates, novel findings, and solutions to challenging questions in the field, while inspiring aspiring scientists to engage in meaningful research. The field of instrumentation encompasses a wide range of disciplines, such as electronics, computation, automation, microelectronic technology, nanomaterials, and biomedical engineering applications. Hence, this publication is expected to appeal to a diverse audience within the scientific and engineering domains.