Meet Dandy, the weed-killing lawn robot

Weeds are the worst nightmare for any gardener striving to maintain a pristine lawn. The Boston-based startup Dandy Technology says its lawn-bots can take care of the problem automatically by crawling over your lawn, identifying the invaders, and spraying them with a small amount of herbicide. The Dandy DT-01 ($700, suitable for lawns up to 1/4 of an acre) and the larger Dandy DT-01XL ($800, for lawns up to a full acre) are app-controlled wheeled robots with onboard sensors, artificial intelligence, and visual processing to eliminate weeds via targeted spot treatments. Users draw lawn boundari…

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