A Bluetooth-controlled, battery-powered dry ice machine with integrated LED lights... what's not to love? It's also 3D-printed.

We use an Uno to control 36 servo motors and create digital animated artwork.

Perform fire safety training indoors with a fun and educational tool! Save money by not using real CO2, build with CNC, 3D printing and Uno.

Using a blue laser and phosphorescent paper to illustrate what it means to sketch a sine wave around a circle.

Make water defy gravity, all while creating fantastic lighting effects!

Aim of this project is to improve the experience of the visually challenged, while making cashless transactions in public.

Mechanical tulip sculpture that blooms with just gentle touch and can shine into any color of a rainbow.

Build your own version of Banksy's "Self-Destruct Artwork Frame."

Creative approach to building electronic chessboard upon RFID technology, Hall effect sensors, and Arduino Mega.

A step to combine the technology and spiritualism.

At Coolest Projects 2018, we showcased the Wia platform with a facial recognition Ferris wheel!

An automated pill dispensing/packaging machine that packages pills into standard 14 slot pill boxes to save time, money, and reduce errors.

Build an amazing Connected Rollout Banner with Arduino and control it with your mobile phone thanks to an AngularJS application.

A 3D-printed, Arduino-controlled DIY robot, designed to be used in children's hospitals, bringing some fun to the kids!

I made this LED pendant light from plywood, LED strips, and flexible LED channel. It is controlled by an Arduino and syncs to music.

Let's control 135 servos with a single Arduino!

Since the day I heard about and got to play with the Raspberry Pi a few years ago, I’ve wanted to make a Raspberry Pi-powered laptop.

Make propane-powered fire art that reacts to music!

A very simple circuit to activate four timed solenoids for automated percussion: in this case hitting resonant plastic pipes.

Sudoku-robot is a robot that solves and fills Sudoku grids!

You can make someone else's sunglasses see-through via BLE and check them out from far away, perhaps with your heartbeat.

I made a pronunciation training machine using Google Speech API.

Traffic Light Information System that lets the driver know at which speed he needs to drive in order to pass the green light.

Here is a special box that opens itself and rotates a mobile inside, then LEDs, music, camera and twitter will be turned on.