How to Build an Arduino-Powered Robot That Mows Your Lawn for You


I have always wanted a robot to mow my lawn for me so I don't have to spend my weekends doing yardwork. Building an Arduino-powered robotic lawn mower is a fun electronics project that can automate this tedious chore. In this article, I will walk through the full process of constructing a DIY robotic lawn mower from start to finish.

Parts Needed

To build an Arduino-powered robotic lawn mower, you will need the following main components:

Optional parts include a GPS module for navigation, Bluetooth module to control remotely, and bump sensors.

Assembling the Mechanical Components

The first step is to assemble the chassis, wheels, motors, and mower blades. Here are the key steps:

The chassis can be built from scratch using aluminum bars or a ready-made robot chassis can be used for easier assembly. Make sure everything is firmly secured.

Connecting the Electrical Components

Next, we need to wire up all the electronic components:

Use solderless breadboards and jumper wires to connect the components. This allows modifications later on. Double check all wiring before powering on!

Programming the Arduino

The Arduino code controls the robotic mower's logic and behavior. The key aspects it must handle include:

The Arduino IDE has sample code for many of these tasks to use as a starting point. Much testing and tweaking of the code will be needed to get everything working right!


Building an Arduino robotic lawn mower is an involved but rewarding electronics project. The key steps are assembling the mechanical components, wiring up the electronics, and programming the Arduino brain. With some effort, you can construct your own automated mower that slashes your lawn mowing time and keeps your yard looking neat and tidy!