This robo-dog sprays poison ivy with weed killer
— July 1st, 2020
Poisonous plants, like poison ivy, can really ruin your day. In an effort to combat this “green menace,” YouTuber Sciencish decided to create his own quadruped robot.
The robotic dog is equipped with two servos per leg, for a total eight, which enable it to move its shoulders and elbows back and forth.
An Arduino Uno controller determines leg positions via trigonometric calculation, and when in position, it dispenses weed killer via a relay and aquarium pump setup. The reservoir can also be used to hold other liquids, whether for watering duties or even to provide extra fuel to a fire.
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