Paul McCabe] wrote in to let us know about his $25 robot. This small wheeled robot is based on an ESP32 and made using cardboard and hot glue. You drive the contraption using a Bluetooth game ...
Abstract: This letter introduces a novel linear actuator with a high extension ratio, achieved through a unique planar transforming linkage mechanism (TLM) that serves as an articulated lead screw.
Abstract: Scaling down linear actuators is crucial for various industrial applications, yet the efficiency of electromagnetic linear actuators decreases significantly as they are miniaturized.
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