Hacking the Smart Ring and Beyond

This chapter explores the innovative reverse-engineering of the SR08 smart ring, detailing the challenges faced in accessing its microcontroller and the enhancements achieved through custom firmware. The conversation shifts to alternative applications of technology, including the quirky transformation of a 3D printer into a tattoo gun, highlighting creativity and potential risks in DIY projects. Additionally, the chapter discusses the significance of keyboard design and the complexities of DIY PCB manufacturing in enhancing user experience and exploring alternative solutions.