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this RC car traverses around normally but takes over control in the case of an obstacle in front of it , that action drives a custom built polarity reverser to move the car away of the obstacle ! while still drivable by RC ! and here are some pics !
This is a companion discussion topic for the original entry at https://community.robotshop.com/index.php/robots/show/sensy-the-digital-logic-obstacle-avoiding-robot