February 16, 2004


February 2004: This is a reproduction of the Armored Personnel Unit (A.P.U.), the notorious Zion Gatekeeper robot from the Matrix movies. It is a biped that […]
April 16, 2004

LEGO MINDSTORMS RCX output Multiplexer (MUX)

April 2004: I developed a simple yet effective motor multiplexer for RCX, to raise the number of motors it can drive from 3 to 6. It’s really […]
April 16, 2004


June 4, 2004


July 17, 2004

LEGO MINDSTORMS analog proximity sensor (RCX)

August 1, 2004


August 2004: After many trials, here’s a smooth weight shifting biped walker, powered with a single motor. The legs mechanism let it swing side to side while walking. […]
October 5, 2004

Yellow Dwarf

October 2004: Compact, smooth, and powered by only two motors, this little biped robot uses a standard Lego Light Sensor as proximity sensor, using signals emitted […]
December 17, 2004


December 2004: This is a walker biped, shaped as the famous chicken walker of the Star Wars movies, the All Terrain – Scout Transport (AT-ST). It can […]
March 17, 2005

Little Johnny 5 (RCX)

March 2005: This little cute LEGO replica of Johnny 5 robot has working treads, poseable head, neck, eyebrows, hands and laser gun. It’s built from a single LEGO […]
September 1, 2005

LEGO MINDSTORMS on/off proximity sensor (RCX)

September 16, 2005

LEGO Johnny 5 (RCX)

  I developed Johnny 5 from summer 2004 to fall 2005. It features: Tread differential drive Rotating head Raising torso Moving laser Grabbing and lifting hands, driven […]
October 15, 2005

Hexapod walker (RCX)

This small LEGO MINDSTORMS RCX hexapod robot can walk and turn in place. It has three motors: Two motors move external legs forward and backward. A […]
October 16, 2005


Here’s another biped robot, in the shape of a standing owl. I used only RIS 2.0 parts, plus a rotation sensor. This is a weight-shifting biped walker. It uses 2 […]
October 17, 2005

Semi passive walker (RCX)

October 2005: This RCX walker is semi-passive, that means that while the motor shift the weight of the RCX, the legs are not actuated (they are […]
April 17, 2006

NXT Turtle 1.0

April 2006: This robotic pet features an autonomous behavior modelled using a state machine. It walks around, and when it’s scared by someone approaching or by […]
May 17, 2006

Mine Sweeper

The Mine Sweeper robot scans for black bricks on flat light surfaces, collects and stores them in its large compartment. This robot is described in my book […]
July 1, 2006


January 16, 2008
a small scale replica of Johnny 5 built with LEGO MINDSTORMS NXT

Mini JohnNXT

March 17, 2008

Q Learning robot snail

May 1, 2008

The first NXT LEGO Rubik’s cube solver

June 1, 2008

JohnNXT – Johnny 5 replica

September 26, 2008
a LEGO horse racing game built withLEGO MINDSTORMS NXT with free building instructions

Horse race

November 10, 2009

Audrey II – People Eating Plant

April 26, 2010

Resonant biped robot

August 1, 2010


September 26, 2010

Serious NXT Soccer Game

September 26, 2010

Making of NXT Soccer Game

During 2010, Mario Ferrari and I joined the efforts to make a fully autonomous soccer game system using MINDSTORMS NXT. Here’s some picture from the making of […]
June 1, 2011
a working LEGO industrial model of a warehouse showing simulation of a logistic process

Industrial plant model

December 2, 2011
freelance LEGO designer Daniele Benedettelli with his robot Cyclops


February 10, 2012
A robotic turtle made with LEGO MINDSTORMS NXT 2.0

NXT Turtle 2.0

February 17, 2012


February 2012: The Tripod is built after the alien invaders of the War of the Worlds movie. Its unique way of walking allows this monster to […]
March 2, 2013
LEGONARDO is a LEGO portrayer robot


September 2, 2013

New exoskeleton prototype

I am developing a new exoskeleton to control the upper limbs of Cyclops mk 3. This time, I’m using my dear old wooden puppet Molla as a […]
September 3, 2013

Ball on Plate 2 (Arduino)

August 2010: This is my new touch screen Arduino-based Ball and Plate system, the evolution of my old system shown here. The controller used here is […]
September 13, 2013

Ball and Beam System Simulator

January 2008: This software was written in C++ as a preliminary study for the final project of Real Time System course at the University. The definitive simulator was then […]
September 13, 2013

Ball and Plate 1 (NXT)

A Ball and Plate system is a device that attempts to balance a ball on a plate. It is a well-known feedback control exercise for engineering students, […]
September 16, 2013

Color Sorter (4DOF arm)

September 17, 2013

LEGO Forklift with Linear Actuator

September 17, 2013

NXTAPOD – NXT hexapod walker

September 17, 2013


This is a LEGO AT-ST walker (All Terrain Scout Transport) from the Star Wars saga. It walks and turns using just two motors. This LEGO MINDSTORMS biped […]
September 17, 2013

Low cost smart wheelchair

September 17, 2013

Portrayer robot

September 18, 2013

My LEGO Rubik’s cube solver story

 First trip: Luxembourg My LEGO Rubik’s cube solver (result of the LEGO Rubik Utopia project) started travelling on 22 September 2007, to be shown at the […]
September 23, 2013

Cyclops mk III

Cyclops mark 3 is a complete redesign of my previous LEGO mecha. I developed a new two-motor walking core that I am reusing in my latest […]
September 30, 2013
EV3 Biped robot that serves tea, as ancient japanese karakuri

Tea serving EV3 robot (Karakuri ningyō)

October 7, 2013


October 8, 2013

EV3 Medium Servo Motor EXPOSED!

Ever wondered what’s inside a LEGO MINDSTORMS EV3 Medium Motor? Look here then, and avoid bothering to open your own motor. In fact,  it could be […]
December 22, 2013

EV3 Animatronic Heads

December 2013: After having designed this creepy animatronic head using the LEGO MINDSTORMS Education EV3 core set 45544, I adapted it to be built also with […]
January 29, 2014

The Education version of The LEGO MINDSTORMS EV3 Laboratory

February 19, 2014

I did it again: my robots on RAI TV

Robot LEGO in TV A little premise for my followers: I wrote this article in two languages (Italian first) because this time I appeared on Italian […]
May 21, 2014

RUBIX – VEX IQ Rubik’s cube solver

June 13, 2014

LEGO Build-in-the-bag

June 26, 2014

Summer LEGO Workshops in the USA

June 26, 2014

Danny’s Lab T-shirts

At some LEGO event and TV interview, I was wearing my EV3L hoodie, and many people liked it a lot. I also made some really cool t-shirts with Cyclops printed […]
June 26, 2014

LEGO Duck Maker (Pick-a-Duck)

August 28, 2014
LEGO electric guitar


October 8, 2014
LEGO Rolling Robot

LEGO Rolling Robot – PALLA

October 16, 2014
LEGO Wall-e made with EV3

LEGO WALL-E (actually, WALL·EV3)

October 28, 2014

Connecting your Pixy Camera to the NXT

March 13, 2015
Duck Maker 3 is a LEGO self-replicating robot

LEGO self-replicating robot

March 21, 2015


April 20, 2015
Build a LEGO robot with set 10692

Build a LEGO robot with set #10692

July 14, 2015
LEGO Power Functions Spider Tank

Spider Tank JM2015

August 31, 2015

Brick-a-Braille (modular teaching system)

December 17, 2015
LEGO Car Factory built with LEGO MINDSTORMS EV3 and custom electronics

LEGO Car Factory (CEA LIST)

July 10, 2016

LEGO robotic cell model for ABB press automation

July 10, 2016
LEGO car factory with 3 modules, assembling cars in pipeline

LEGO Car Factory (Hermes Reply)

August 18, 2016

LEGO Lenticular Mosaic

October 8, 2016
Free EV3 project instructions for this robot!

BrickBot EV3

January 4, 2017
LEGO BOOST app with Vernie the Robot

New LEGO BOOST Creative toolbox (17101)

March 10, 2017

LEGO hospital microscale model

July 14, 2017

EV3 Desk Guardian

July 28, 2017
LEGO BOOST 17101 getting started vehicle building instructions

LEGO BOOST 17101 building instructions

August 9, 2017
BOOSTHEAD: a LEGO BOOST BrickHeadz mascotte

BOOSTHead: a LEGO BOOST BrickHeadz Mascotte

March 24, 2018
LEGO WeDo 2.0 cheerful fans model

LEGO WeDo 2.0 Cheerful Fans

March 24, 2018
A simple and quick-to-build LEGO MINDSTORMS EV3 robot built with the core set 45544


June 22, 2018
LEGO automaton that can play programmable tunes on a xylophone

LEGO musical automaton

July 25, 2018
A simple LEGO swing built with Simple & Powered Machines set 9686

Swing (9686)

July 31, 2018
LEGO WeDo 2.0 line following robot uses a special mechanism to drive and steer

LEGO WeDo 2.0 ZigZag

September 6, 2018
A race car built with LEGO WeDo 2.0 that can drive and steer!

LEGO WeDo 2.0 Racing Car

September 11, 2018
A LEGO WeDo 2.0 crocodile, that bites whatever ends within its jaws!

LEGO WeDo 2.0 Hungry Crocodile

October 5, 2018
LEGO WeDo 2.0 Sumo robot controled by remote joystick

LEGO WeDo 2.0 RC Sumo Bot

March 16, 2019
A LEGO magician automaton that can make objects appear and disappear. Support on LEGO IDEAS

LEGO Magician Automaton

April 1, 2020
LEGO MINDSTORMS Trumpet that can control a MIDI synthesizer via a Bluetooth Arduino interface


April 27, 2020
A LEGOWeDo 2.0 floating spaceship model based on tensegrity

Tensegrity with LEGO: Floating Spaceship

September 1, 2022
add custom sounds to SPIKE and MINDSTORMS

Adding custom sounds to LEGO MINDSTORMS Robot Inventor / SPIKE projects

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