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Grasshopper

Grasshopper is an autonomous lawn mowing robot with a drive section and a mower section joined by a coupler.

  • Wheeled
  • Open source
  • 3D printable

Suggested by Robotheca, created by @sarnold04 (opens in a new tab), from github.com/sarnold04/Grasshopper (opens in a new tab). Pinned to commit 9d29b42 (opens in a new tab).

Photo and 3D model

Grasshopper, photo from its repository
Photo:@sarnold04 (opens in a new tab)CC-BY-SA-4.0source file (opens in a new tab)

3D preview converted from github.com/sarnold04/Grasshopper at 9d29b42, under CC-BY-SA-4.0. View the original files from GitHub (5.1 MB) (opens in a new tab)

What it can do

Written by Robotheca from the project's documents.

  • Autonomous lawn mowing robot
  • Mower section can rotate up to 15 degrees around the robot's rotational axis to follow changing terrain
  • Drive section carries the motors and most electronics and sensors

Bill of materials

This repository has no parts list Robotheca can read yet.

Build guide

The guide appears here as you scroll.

Guide by @sarnold04 (README.md), under CC-BY-SA-4.0.

Wiring and electronics

Notes written by Robotheca from the project's documents.

Main parts

  • Drive motors
  • Mower motor
  • YDLIDAR G2 360-degree laser scanner (lidar)
  • Battery box in the mower section
  • Sensors and electronics housed in the drive section

Connections

  • Drive section connects to the mower section through a coupler
  • Battery box, mower motor and lidar are located in the mower section