Here is another robot that helps you take better care of your lawn. The Dandy DT-01XL Robot has a 1.2L reservoir and can spray up to 2700 weeds. You can use organic and commercial herbicide products in this. The Dandy DT-01XL is compatible with iOS and Android devices. It is smart enough to detect fences and obstacles. It uses GPS to plan a route.
More gadgets like this: here
The app lets you draw stay out areas and pathways for the robot. It also shows a heatmap of weed and poor grass health. You can find out more about it here.
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