Zachary Englhardt

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About

Zachary Englhardt is a pioneering researcher in sustainable, battery-free robotics and embedded systems. His work challenges long-held assumptions about the limits of energy harvesting, most notably through the development of **MilliMobile**—the first autonomous, battery-free wireless microrobot capable of operating solely on harvested solar and RF power. This breakthrough, published in 2023, demonstrates that motion and actuation are achievable without any tethered power source, opening new frontiers for environmental sensing, precision agriculture, and infrastructure monitoring. With 17 citations and growing, MilliMobile has quickly become a landmark contribution in low-power robotics. Englhardt’s research sits at the intersection of micro-robotics, energy harvesting, and wireless communication, fundamentally rethinking how small-scale devices can operate autonomously in the wild. His work not only advances the technical feasibility of battery-free systems but also inspires a new generation of researchers to explore sustainable, untethered autonomy. For students and engineers alike, Englhardt’s contributions offer a compelling vision of a future where tiny, self-powered robots roam freely, gathering data without ever needing a battery change.