This project aims to develop a 3D printer specifically designed for producing prototypes with a volume of 3 cubic centimeters or more. Our primary focus is on leveraging the latest technology and innovative methods to facilitate quick modifications and customizations of designs while minimizing material waste. The project will incorporate a blend of cuttingedge manufacturing techniques, precise engineering, and ecofriendly practices to ensure that the printer performs optimally and sustainably. A key highlight of our project is the commitment to environmental sustainability, particularly through the incorporation of e-waste recycling. The printer's design will prioritize the use of recyclable and biodegradable materials, as well as energy-efficient components, to significantly reduce the environmental impact of the manufacturing process and contribute to the development of greener production practices.By combining these elements, we intend to create a 3D printer that is not only highly efficient and accurate but also easy to use and adaptable to various industries and applications. The printer will address common challenges in the field of rapid prototyping, such as speed, precision, and resource efficiency. Our approach will involve the integration of advanced software and hardware solutions to streamline the design-to-production process, making it more accessible for users to implement changes and produce high-quality prototypes swiftly.Ultimately, this project seeks to revolutionize the way prototypes are made, offering a solution that combines speed, accuracy, and sustainability. We believe that our advanced 3D printer, with its emphasis on e-waste recycling, will inspire new ideas and innovative manufacturing techniques, paving the way for more sustainable and efficient production methods across various sectors. Through this endeavor, we hope to set new standards in the field of 3D printing and contribute to a more environmentally conscious future.

In this paper, explores the implementation of ESP-NOW, a low-power wireless communication protocol developed by Espressif Systems. ESP-NOW offers a reliable and efficient means of direct device-to-device communication, bypassing the complexities of traditional Wi-Fi networks. This article delves into the underlying principles of ESP-NOW, highlighting its advantages, limitations, and real-world applications. The synopsis also discusses its potential for use in various domains, including Internet of Things (IoT) deployments, home automation, and sensor networks. By examining the capabilities and constraints of ESP-NOW, this summary provides insights into its viability as a wireless communication solution for diverse scenarios. In this paper, we present our implementation of a project utilizing the ESP-NOW protocol to achieve seamless transmission of music and audio.