Redesign of a cheap set of a kid's railway into an intelligent train with control from the Android device. Project updated. Added sensor.

Unlock an inconspicuous chest from across the room with a secret switch!

Connect a rotary dial telephone from the 80s to a cheap cellphone with an Arduino.

Reliable and proven sensors designs. Example of code. Recommendations for use.

Getting Tiny Tetris running on a 128x64 OLED display using an Arduino Nano or Uno.

Kill this terrifying bug at any distance with a laser ray! (Or dream about it...)

Simple useless box with Arduino and LEDs for mood effect.

Hugo just turned one, and to celebrate we bought him a Duktig kitchen from IKEA. I added a working microwave.

Relive your childhood memories with the new and better Tetris!

I designed and built a laser-activated NERF system.

Treasure chest to store your most valuable things. You can only open it when you know the secret knock code.

Play a game on an LCD display with any remote control you want. But watch it, it gets faster in every level.

Another childhood toy. Although the original was brilliant with its icosahedron 20 answers, now with an Arduino I can add as many as I want.

Control 55 RGB LEDs on the tree, let Santa twerk, control a model railroad, bus and balloon, or send your personal message to the display.

Race through your office at the speed of light! A project inspired by the OpenLEDRace project by @gbarbarov, made at Xing in Barcelona.

You can shoot water from the water pump when you throw a punch.

DIY Infinity Gauntlet from cardboard (Reality Stone controlled light switch).