Jerry Nicholls
Published © GPL3+

Al3xa LEGO Plott3r

This project uses Alexa to command a LEGO plotter to do things such as drawings, writing out your shopping list, taking a memo, or maps.

IntermediateFull instructions provided5 hours3,155

Things used in this project

Hardware components

Mindstorms EV3 Programming Brick / Kit
LEGO Mindstorms EV3 Programming Brick / Kit
This project uses my LEGO Plott3r, with an additional EV3 brick.
LEGO Plott3r
This is a LEGO MINDSTORMS-based 2D pen plotter.
Echo Dot
Amazon Alexa Echo Dot
An Amazon Echo device. I have use a 2nd Gen Echo Dot for my instance of this project.

Software apps and online services

Alexa Skills Kit
Amazon Alexa Alexa Skills Kit
Alexa Voice Service
Amazon Alexa Alexa Voice Service
Alexa Gadgets Toolkit
Amazon Alexa Alexa Gadgets Toolkit


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LEGO Plott3r Build Instructions

These are the building instructions to the Plott3r. A second EV3 support will need to be made, so simply repeat that stage for the other side of the Plott3r.

LEGO Plott3r Updated Pen Holder Build Instructions

These are the build instructions for the updated pen holder shown in the videos and photos.


Alexa Plott3r

The Alexa NodeJS + Intents, ev3dev Python, and EV3g code repository


Jerry Nicholls

Jerry Nicholls

1 project • 9 followers
I am the Lead Systems Engineer at an ISP. I have been programming since the early 80's. I am a Perl programmer at heart.