"Patoso", an easy biped walker (Spanish)

A good starter for anyone who wants to play with walking gaits. 

Instructions HERE

Sumo Bot (English)

Basic 3D printed Sumo Bot. Detects the color of the ring and the other bot. Instructions  HERE

Robotic Rat (English)

David, One of my students has published a tutorial to build this fun walker.

Code, STL & instructions HERE

Etch a Sketch (Spanish)

How to build an Etch a Sketch (or Telesketch in Spanish) with a TFT screen and an arduino UNO

Instructions and STL HERE

MINIBOT (English and French)

Easy obstacle avoidance robot

Instructions in French HERE

Instructions in English HERE

 Emergency Mechanical Ventilator (English)

Instructions https://www.instructables.com/id/Open-Source-Mechanical-Ventilator/

Youtube: https://youtu.be/ORvlpxwa6Uo

3D model: https://www.tinkercad.com/things/bVWfMEI9GNI

3D models 

Some models that I have created with Tinkercad and are free to copy or download

Tetrapod: Uses 8 SG90 servos and an Arduino Nano

Aracnoïd: Same as above but with a cool shell

Patoso 5.0: same as "Patoso here above but with ultrasonic sensor and arms

Modifiable ear saver: You can add your name in it