NeoPixel Tiara #AdafruitLearnSystem

You can make a crown of light for prom or your birthday this year! A few free-wired NeoPixels make you the cyber-pageant queen.

For this project you will need:

• Gemma M0 (or build on the GEMMA Starter Pack)
• seven sewable NeoPixels (or any combination of pixels, NeoPixel rings, or high-density NeoPixel strip) Use “RGB” NeoPixel rings, not “RGBW” type!
• 2×2032 coin cell battery holder and batteries or rechargeable lipoly battery
• zip ties & hot glue
• 3D printed band, crown, or recycled stiff headband
• solid core hookup wire
• sharp wire strippers
• sharp flush snips

Check out the full guide!

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Turn your Android phone into a modern ham radio transceiver

kv4p HT is a homebrew 1 watt radio available in VHF or UHF that plugs into your Android phone’, transforming it into a handheld HAM transceiver. Completely off-grid.

The radio simply plugs into the USB C port on your Android smartphone and transforms it into a fully-fledged handheld radio transceiver.

It’s completely open source (GPL3): the Android app, ESP32 firmware, PCB designs, and 3D printer files.

It’s small enough to fit in your pocket and take anywhere, and since it has no internal battery it’s the perfect radio to put in a go-bag or your car’s glove compartment.

See the video below, the website here and the project on GitHub.

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New nEw NEW Products at Adafruit 5/20/2026

We’ve got the New nEw NEW for you right here

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This week we debuted 3 New Products.

Snap-on Enclosure for Adafruit Terminal Block BFF Add-On

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Machined Red Aluminum Servo Arm – 1.75″ Long

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Through Hole Inline Pogo Pin Target Header – 9-Pin 0.1″ Spacing

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Visit www.adafruit.com/new for more info.

Want to get new products info beamed straight into your inbox? New nEw NEWs From Adafruit is an email newsletter sent once a week to subscribers only. It features new products, special offers, exciting original content, and more. Sign-up for the Adafruit weekly Newsletter here: https://www.adafruit.com/newsletter

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New nEw NEWs From Adafruit is an email newsletter sent out once a week to subscribers only. It features new products, special offers, exciting original content, and more. Sign-up NOW for the Adafruit weekly Newsletter here: https://www.adafruit.com/newsletter

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Superhero Power Plant #AdafruitLearnSystem

Superhero Power Plant Inspired by Iron Man’s Arc Reactor

Planning an epic Iron Man costume for Halloween or Comic Con, or looking for that iconic piece that turns a plain t-shirt into Tony Stark? Look no further, for in this guide we’ll show you how to make your own electronic glowing reactor with a cool pulsing effect.

You can even customize it once complete, go for red, purple, green, pink: Whatever color will power you up! Or change the pulse rate or effects to add a special touch.

Check out the full guide!

Laser files available on Thingiverse: http://www.thingiverse.com/thing:157296

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World Cup, World Cultures at the American Museum of Natural History

LeFrak theater: Alvaro Keding/© AMNH Stadium: Csaba Peterdi/Adobe Stock

 

AMNH is celebrating World Cup 2026 with a series celebrating “the science, culture, and shared experience of athletic competition“. On May 28 3 drop-in activities start, allowing visitors to explore: the science of sport materials & geometry of sports, the cultural influence of sports around the world for ages 4-12 and activities about human biomechanics for ages 8+ . Read more about the full series here.

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Intro to Mahjong with Green Tile Social Club #APAHM #AANHPI

Although Mahjong dates back to 19th century China, the tile game has since become popular across the world.

Learn Mahjong with the Green Tile Social Club this Tuesday, May 26th. Check out the event page for details.

Hong Kong mahjong, taught the gtsc way
The night will begin with a dedicated 1.5 hour mahjong lesson taught in groups of six. your gtsc teacher will run you through the complete basics — terminology, role recognition, core game constructs — before real-time instructing you thru an open hand game

Once you’ve graduated to closed hand, stay and enjoy your new playing chops till we get kicked out at 10

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Raspberry Pi Zero 2W Pwnagotchi Case – Waveshare e-Paper + X306 UPS #3DPrinting #3DThursday

IndieMakerX shares:

A rugged snap-fit Pi Zero 2WH case built for Waveshare 2.13″ e-Paper HAT+ and Geekworm X306 V1.3 UPS module (18650 battery). Includes a snap-in power button and multiple lid styles. Perfect for portable Zero builds

download the files on: https://makerworld.com/en/models/1561820-raspberry-pi-zero-2w-pwnagotchi-case

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Every Thursday is #3dthursday here at Adafruit! The DIY 3D printing community has passion and dedication for making solid objects from digital models. Recently, we have noticed electronics projects integrated with 3D printed enclosures, brackets, and sculptures, so each Thursday we celebrate and highlight these bold pioneers!

Have you considered building a 3D project around an Arduino or other microcontroller? How about printing a bracket to mount your Raspberry Pi to the back of your HD monitor? And don’t forget the countless LED projects that are possible when you are modeling your projects in 3D!

LIVE CHAT IS HERE! http://adafru.it/discord

Adafruit on Instagram: https://www.instagram.com/adafruit

Shop for parts to build your own DIY projects http://adafru.it/3dprinting

3D Printing Projects Playlist:

3D Hangout Show Playlist:

Layer by Layer CAD Tutorials Playlist:

Timelapse Tuesday Playlist:

Connect with Noe and Pedro on Social Media:

Noe’s Twitter / Instagram: http://instagram.com/ecken

Pedro’s Twitter / Instagram: http://instagram.com/videopixil

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