Disclaimer: This guide is provided for informational and educational purposes only. While every effort has been made to ensure accuracy, the author accepts no responsibility for errors, omissions, or outcomes resulting from the use of this material. Building, soldering, programming, and operating electronic devices involve risks that include but are not limited to electric shock, burns, fire, or equipment damage. By following this guide, you assume full responsibility for your safety, your tools, your materials, and the final device. Always follow appropriate safety practices and proceed at your own risk.