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Ever not hear your dog walk when they urgently need to go POTTY outside?! Here is a sensor that detects your pet!

Required items:

Arduino nano x1

Small breadboard x1 (or not) if you solder your wires together

Ultrasonic sensor

Active buzzer (this is better and louder) or passive buzzer

Dupont wires

USB (micro or C-type) depending on the Arduino Nano

Outlet timer (optional)

Software used:

Arduino IDE, ThinkerCAD

Printing instructions:

PLA, 15% infill, 0.2 mm layer height, no support needed

After printing the models, I would advice to assemble to top part first as follows:

(1) add the sensor to the sensor case

(2) add the nutlong

(3) screw the rod (adjust to respective height)

(4) add the nut2 (use as a stopper when adding it to the bottom part).

For the bottom part, you need to do the wiring and arduino, which can be found here: Arduino Nano - Ultrasonic Sensor - Piezo Buzzer | Arduino Nano Tutorial ( I changed the sound to a short and loud constant sound, and you can also change the detection distance).

Lastly, you can combine the top and bottom, and connect the neccessary wires. Plug your sensor to an outlet (I have mine on a smart outlet timer for convience) and watch it go to work!

My dog and I love this sensor, to the point where he would stand in front of the sensor to let us know he needs to go, RIGHT NOW! Enjoy!

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\r\n
\r\n
\r\n

The contest runs from February 27 to April 27, 2025

\r\n
\r\n
\r\n\r\n

Challenge

\r\nEver looked at your pet and thought, \"You deserve something awesome\"? Well, now\u2019s your chance to fix that! Design a tech-powered gadget for your furry (or non-furry) friend using Arduino and 3D printing. Think automated playmates, high-tech trackers, smart aquariums, or remote-controlled feeders. Whether it\u2019s a self-fetching ball launcher, a next-level scratching post, or a fish tank that runs itself\u2014you know what your pet needs.\r\n
\r\n
\r\nNever used Arduino before? No worries! Arduino is a small, programmable board that can control lights, motors, or sensors, and it\u2019s the perfect way to add some tech magic to your project.\r\n
\r\n
\r\n

Project Template

\r\nGrab our template and see all the info we\u2019d love to see in your submission:\r\nPrintable_Arduino_Project_Template.pdf\r\n
\r\n
\r\n

Inspiration

\r\nCheck out the official Arduino Printables account for more ideas:\r\n
\r\nArduino on Printables\r\n
\r\n
\r\n

All the Specs

\r\nNeed datasheets or documentation for the Arduino products you\u2019ll be working with? We\u2019ve got you covered:\r\n
\r\nArduino Documentation\r\n
\r\n
\r\n

Exclusive Discount for Contest Participants

\r\n

We\u2019ve got a little bonus to help bring your ideas to life! \r\n
\r\n
\r\nUse the code PRINTABLES25 to get 15% off Arduino Boards & Modules.

\r\n\r\n

Valid from Feb 27 to Apr 27, 2025
One use per customer
Shop here: Arduino Boards & Modules

\r\n
\r\n

What makes a valid entry?

\r\nYour project must use both Arduino and 3D printing, and it should include a clear description, photos, and all necessary files described in the Project Template.\r\n\r\nPlease avoid dangerous designs - keep it safe and fun!\r\n

\r\n\r\n","isOpen":false,"__typename":"CompetitionType"}],"contestsResults":[],"prusameterPoints":null,"latestContestResult":null,"referencingArticles":[]}}}

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