‘Water Curtain’ is Arduino-Powered, uses 3D-Printed Valves & Nozzles to Print Letters & Drawings with Water #Arduino #3DPrinting
Tecnoateneu Vilablareix designed and fabricated this ‘Water Curtain’ that was recently on view in the “Temps de Flors” floral exhibit in Girona. What’s hard to see in any of the documentation below is the sheer size of this thing – the water curtain is ~6’x10′, cycling through 500 litres of water!
3ders were first to report on the project and their blog shows multiple images of the build process and 3D-printed parts and pieces before assembly:
Atmel’s Bits & Pieces blog picked it up to further elaborate on the multiple AVR microcontrollers powering the project, including four Arduino Nanos controlling the valves and one Arduino Mega to route WiFi commands.
Those valves you can see being tested in this video:
And here’s a daylight-lit video showing elements of the project a little more clearly:
Adafruit publishes a wide range of writing and video content, including interviews and reporting on the maker market and the wider technology world. Our standards page is intended as a guide to best practices that Adafruit uses, as well as an outline of the ethical standards Adafruit aspires to. While Adafruit is not an independent journalistic institution, Adafruit strives to be a fair, informative, and positive voice within the community – check it out here: adafruit.com/editorialstandards
Stop breadboarding and soldering – start making immediately! Adafruit’s Circuit Playground is jam-packed with LEDs, sensors, buttons, alligator clip pads and more. Build projects with Circuit Playground in a few minutes with the drag-and-drop MakeCode programming site, learn computer science using the CS Discoveries class on code.org, jump into CircuitPython to learn Python and hardware together, TinyGO, or even use the Arduino IDE. Circuit Playground Express is the newest and best Circuit Playground board, with support for CircuitPython, MakeCode, and Arduino. It has a powerful processor, 10 NeoPixels, mini speaker, InfraRed receive and transmit, two buttons, a switch, 14 alligator clip pads, and lots of sensors: capacitive touch, IR proximity, temperature, light, motion and sound. A whole wide world of electronics and coding is waiting for you, and it fits in the palm of your hand.
Have an amazing project to share? The Electronics Show and Tell is every Wednesday at 7:30pm ET! To join, head over to YouTube and check out the show’s live chat and our Discord!
Python for Microcontrollers – Adafruit Daily — Python on Microcontrollers Newsletter: CircuitPython 2025 Wraps, Focus on Using Python, Open Source and More! #CircuitPython #Python #micropython @ThePSF @Raspberry_Pi
EYE on NPI – Adafruit Daily — EYE on NPI Maxim’s Himalaya uSLIC Step-Down Power Module #EyeOnNPI @maximintegrated @digikey