Micro-drones may become the future, but they should be very difficult to fly. So far, any insect robot must have a power source, so it is too heavy to take off with its tiny wingspan. However, researchers at the University of Washington have now found a way to transmit power to flying robotic insects (clearly known as RoboFly) via lasers, eliminating the need for a separate power source.

The team will publish papers at the International Conference on Robotics and Automation held in Brisbane, Australia on May 23. Professor Sawyer Fuller said in a statement: “Before this, the concept of a micro-drone was science fiction. Can we make it work without wires? Our new wireless RoboFly shows them closer to real life. The small drone was driven by a narrow, invisible laser beam, aimed at the vehicle's photovoltaic cell, converting light energy into electricity. However, relying on its own strength was not enough, so the team added a circuit that could power from 7 The volt is raised to 240 V. Better yet, the researchers can add a microcontroller to the same circuit so that this tiny insect can flap its wings like a real insect through waves that flutter."

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