Rohit Rajan
Created November 10, 2019 © GPL3+

Alexa-Powered LEGO EV3 Autonomous Robotic Arm (GRASP3R)

GRASP3R is a LEGO EV3 autonomous tank-drive robot with a multi-stage robotic arm. GRASP3R can fetch everyday objects at a voice's command!

AdvancedFull instructions provided52

Things used in this project

Hardware components

EV3 Programming Brick / Kit
LEGO MindStorms EV3 Programming Brick / Kit
Echo Show (2nd Gen)
Amazon Alexa Echo Show (2nd Gen)
SD Card
Wi-Fi USB Adapter

Software apps and online services

Alexa Gadgets Toolkit
Amazon Alexa Alexa Gadgets Toolkit
Alexa Skills Kit
Amazon Alexa Alexa Skills Kit
VS Code
Microsoft VS Code


Read more


LEGO Mindstorms EV3 Building Instructions


GitHub Repository

Alexa skill code + EV3 Python code


Rohit Rajan

Rohit Rajan

1 project • 2 followers
Thanks to LEGO Mindstorms and Laurens Valk.