Mithun Das
Published © MIT

Hockey Bot - A Lego Mindstorms EV3 Robot controlled by Alexa

This is a project to demonstrate how Lego Mindstorms Robot can be controlled by Alexa voice commands using Alexa Gadget Tool Kit.

IntermediateFull instructions provided8 hours1,573

Things used in this project

Hardware components

Mindstorms EV3 Programming Brick / Kit
LEGO Mindstorms EV3 Programming Brick / Kit
Echo Dot
Amazon Alexa Echo Dot
Raspberry Pi 3 Model B
Raspberry Pi 3 Model B
Ultrasonic Sensor - HC-SR04
SparkFun Ultrasonic Sensor - HC-SR04
Jumper wires (generic)
Jumper wires (generic)
0.96" OLED 64x128 Display Module
ElectroPeak 0.96" OLED 64x128 Display Module
Edimax Network EW-7811UN Wireless N 150M 2.0 Mini Nano Wireless Adapter
Needed for EV3 Bricks. There are very few compatible Wifi adapters. I used this one and worked out of the box. No update or patch in firmware needed.

Software apps and online services

Alexa Skills Kit
Amazon Alexa Alexa Skills Kit
Alexa Gadgets Toolkit
Amazon Alexa Alexa Gadgets Toolkit
AWS Lambda
Amazon Web Services AWS Lambda


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Scoreboard Schematic




Mithun Das

Mithun Das

33 projects • 173 followers
Hacker and Maker driven by passion. Ambassador at Edge Impulse and Balena. Follow me on Twitter @_mithundas