# No-Code Pool Party Notifier ## Overview https://youtu.be/mguoqNAtfqU ![](https://cdn-learn.adafruit.com/assets/assets/000/140/851/medium800thumb/lcds___displays_flag-loop.jpg?1762114605 ) Build an internet-connected pool notifier to alert the neighborhood that the pool party is underway!  **In this guide, you'll use Adafruit IO and WipperSnapper firmware to build a pool party notifier that raises a flag and displays a message on an E-Ink screen. This project can be completed without programming or soldering**. When your pool is ready for guests, press a button on the Adafruit IO dashboard to send the flag up. We've also designed a 3D-printed enclosure to house the project. **You can print the enclosure or pick one up from the Adafruit shop!** This project is inspired by [Bert's "SplashFlag - IoT Swimming Notification" project](https://bertwagner.com/posts/splashflag-building-an-iot-swimming-notification-device-from-scratch/). We really liked this project and wanted to make it more approachable. This version of Bert's project was designed for a beginner to complete this project - there is no code, no self-hosted web services and wiring has been simplified as much as possible. ![](https://cdn-learn.adafruit.com/assets/assets/000/140/852/medium800thumb/lcds___displays_phone-loop.jpg?1762124968 ) ## Parts ### Adafruit MagTag - 2.9" Grayscale E-Ink WiFi Display [Adafruit MagTag - 2.9" Grayscale E-Ink WiFi Display](https://www.adafruit.com/product/4800) The Adafruit MagTag combines the ESP32-S2 wireless module and a 2.9" grayscale E-Ink display to make a low-power IoT display that can show data on its screen even when power is removed! The ESP32-S2 is great because it builds on the years of code and support for the ESP32 and also adds... In Stock [Buy Now](https://www.adafruit.com/product/4800) [Related Guides to the Product](https://learn.adafruit.com/products/4800/guides) ![Angled shot of rectangle-shaped electronic ink display breakout with the text: "MAGTAG 2025 Edition with SSD1680 Chipset"](https://cdn-shop.adafruit.com/640x480/4800-10.jpg) ### Adafruit MagTag Enclosure & Buttons Kit [Adafruit MagTag Enclosure & Buttons Kit](https://www.adafruit.com/product/6433) Here is a cool and minimal enclosure for your [MagTag](https://www.adafruit.com/product/4800) to keep it safe during use and transport. This case has been custom-designed and 3D printed to accommodate all connection ports of the MagTag. No screws or... In Stock [Buy Now](https://www.adafruit.com/product/6433) [Related Guides to the Product](https://learn.adafruit.com/products/6433/guides) ![Angled Shot of the Adafruit MagTag Enclosure & Buttons Kit with MagTag and Magnetic Standoff Feet.](https://cdn-shop.adafruit.com/640x480/6433-06.jpg) ### Micro Servo with 3-pin JST PH 2mm Cable - TowerPro SG92R [Micro Servo with 3-pin JST PH 2mm Cable - TowerPro SG92R](https://www.adafruit.com/product/4326) This tiny little servo can rotate approximately 180 degrees (90 in each direction), and works just like the standard kinds you're used to but _smaller_. You can use any servo code, hardware or library to control these servos. Good for beginners who want to make stuff move... Out of Stock [Buy Now](https://www.adafruit.com/product/4326) [Related Guides to the Product](https://learn.adafruit.com/products/4326/guides) ![Angled shot of a micro servo with a JST cable.](https://cdn-shop.adafruit.com/640x480/4326-00.jpg) ### Magnetic Pin Back [Magnetic Pin Back](https://www.adafruit.com/product/1170) These magnetic pin backs have two pieces: a metal bar with adhesive strip and a plastic piece with two strong rare-earth magnets. Affix the metal bar to your FLORA projects-- it's just the right size! Then attach your FLORA project to any garment without poking holes in your clothes. The... Out of Stock [Buy Now](https://www.adafruit.com/product/1170) [Related Guides to the Product](https://learn.adafruit.com/products/1170/guides) ![a metal bar with adhesive strip and a plastic piece.](https://cdn-shop.adafruit.com/640x480/1170-04.jpg) ### Right Angle USB Type C Adapter - USB 3.1 Gen 4 Compatible [Right Angle USB Type C Adapter - USB 3.1 Gen 4 Compatible](https://www.adafruit.com/product/4432) As technology changes and adapts, so does Adafruit, and speaking of _adapting_, this **_right angle_**  _ **adapter** _ is USB C socket-to-plug. USB C is the latest industry-standard connector for transmitting... In Stock [Buy Now](https://www.adafruit.com/product/4432) [Related Guides to the Product](https://learn.adafruit.com/products/4432/guides) ![Angled Shot of the Right Angle USB Type C Adapter - USB 3.1 Gen 4 Compatible.](https://cdn-shop.adafruit.com/640x480/4432-07.jpg) ### Part: USB Type C to USB A quantity: 1 Blue USB Type C to USB A Cable with 540 Degree Rotating End - 1 meter long [USB Type C to USB A](https://www.adafruit.com/product/6278) While this project can be built using our free Adafruit IO service plan, purchasing [a subscription to Adafruit IO+ supports Adafruit _and_ unlocks more data, more storage, and more feeds](https://io.adafruit.com/plus) than our free service.  ### Part: Adafruit IO+ Subscription Pass – One Year quantity: 1 Adafruit IO+ Subscription Pass – One Year [Adafruit IO+ Subscription Pass – One Year](https://www.adafruit.com/product/3792) ## Hardware The following hardware fasteners are required to assemble this project. The servo includes the required  screws for mount it and the horn to the printed flag. ### Mini Magnet Feet for RGB LED Matrices (Pack of 4) [Mini Magnet Feet for RGB LED Matrices (Pack of 4)](https://www.adafruit.com/product/4631) Got a glorious RGB Matrix project you want to mount and display in your workspace or home? If you have one of the matrix panels listed below, you'll need a pack of these **Mini-Magnet Feet.**  We got these specifically for our RGB LED Matrices, which no longer... In Stock [Buy Now](https://www.adafruit.com/product/4631) [Related Guides to the Product](https://learn.adafruit.com/products/4631/guides) ![Angled shot of four magnet feet.](https://cdn-shop.adafruit.com/640x480/4631-00.jpg) - [Next Page](https://learn.adafruit.com/pool-party-notification-device/cad-files.md) ## Featured Products ### Adafruit MagTag - 2.9" Grayscale E-Ink WiFi Display [Adafruit MagTag - 2.9" Grayscale E-Ink WiFi Display](https://www.adafruit.com/product/4800) The Adafruit MagTag combines the ESP32-S2 wireless module and a 2.9" grayscale E-Ink display to make a low-power IoT display that can show data on its screen even when power is removed! The ESP32-S2 is great because it builds on the years of code and support for the ESP32 and also adds... In Stock [Buy Now](https://www.adafruit.com/product/4800) [Related Guides to the Product](https://learn.adafruit.com/products/4800/guides) ### Micro Servo with 3-pin JST PH 2mm Cable - TowerPro SG92R [Micro Servo with 3-pin JST PH 2mm Cable - TowerPro SG92R](https://www.adafruit.com/product/4326) This tiny little servo can rotate approximately 180 degrees (90 in each direction), and works just like the standard kinds you're used to but _smaller_. You can use any servo code, hardware or library to control these servos. Good for beginners who want to make stuff move... Out of Stock [Buy Now](https://www.adafruit.com/product/4326) [Related Guides to the Product](https://learn.adafruit.com/products/4326/guides) ### Blue USB Type C to USB A Cable with 540 Degree Rotating End [Blue USB Type C to USB A Cable with 540 Degree Rotating End](https://www.adafruit.com/product/6278) Some days we're feeling extra fancy here at the 'fruit warehouse, and we have a big soft spot for colorful cables that make our projects look like Transformers. Like, peep [this fully reversible pink/purple Blinka-inspired cable](https://www.adafruit.com/product/4111).... Out of Stock [Buy Now](https://www.adafruit.com/product/6278) [Related Guides to the Product](https://learn.adafruit.com/products/6278/guides) ### Adafruit IO+ Subscription Pass – One Year [Adafruit IO+ Subscription Pass – One Year](https://www.adafruit.com/product/3792) The all-in-one Internet of Things service from Adafruit you know and love is now _even better_ with IO+. The 'plus' stands for MORE STUFF! More feeds, dashboards, storage, speed. Power up your [Adafruit IO](https://io.adafruit.com/) with the $99 pass for 1 year of the... In Stock [Buy Now](https://www.adafruit.com/product/3792) [Related Guides to the Product](https://learn.adafruit.com/products/3792/guides) ## Related Guides - [Adafruit MagTag](https://learn.adafruit.com/adafruit-magtag.md) - [Microsoft Azure Cost Monitor](https://learn.adafruit.com/azure-cost-monitor.md) - [Quick Start: Pico W / 2W with WipperSnapper](https://learn.adafruit.com/quick-start-the-pico-w-with-wippersnapper.md) - [itsaSNAP by Adafruit](https://learn.adafruit.com/it-s-a-snap-by-adafruit.md) - [Integrating Color Sensors with itsaSNAP and HomeKit](https://learn.adafruit.com/integrating-color-sensors-with-itsasnap-and-homekit.md) - [What’s Fresh Today? In-Season Produce Reminder for Adafruit MagTag](https://learn.adafruit.com/seasonal-produce-for-adafruit-magtag.md) - [Adafruit IO Basics: Color](https://learn.adafruit.com/adafruit-io-basics-color.md) - [Scan QR Codes with CircuitPython](https://learn.adafruit.com/scan-qr-codes-with-circuitpython.md) - [CircuitPython Animated Holiday Wreath Lights](https://learn.adafruit.com/circuitpython-animated-holiday-wreath-lights.md) - [OSHWA Project Display With Adafruit MagTag](https://learn.adafruit.com/oshwa-project-display-with-adafruit-magtag.md) - [Deep Sleep with CircuitPython](https://learn.adafruit.com/deep-sleep-with-circuitpython.md) - [Adafruit IO Basics: Digital Output](https://learn.adafruit.com/adafruit-io-basics-digital-output.md) - [Google Graveyard with Adafruit MagTag](https://learn.adafruit.com/google-graveyard-with-adafruit-magtag.md) - [AdaBox 017](https://learn.adafruit.com/adabox017.md) - [MagTag Daily Weather Forecast Display](https://learn.adafruit.com/magtag-weather.md) - [ePaper Camera](https://learn.adafruit.com/epaper-camera.md)