Sleek Case for Adafruit MacroPad RP2040 #3DPrinting #3DThursday

MStefan99_327078 shares:

A sleek and modern case to make your Adafruit macropad look professional

download the files on: https://www.printables.com/model/1695194-adafruit-macropad-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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LIVE NOW! SHOW and TELL 4/29/2026 with @blitzcitydiy #ShowandTell @adafruit

The biggest and longest running worldwide online Show and Tell LIVE! Right now! 4/29/2026 at 7:30pm Eastern. – video.

Hosted this week by Liz Clark

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USB colors explained: why White, Black, Blue, or Red ports often cause confusion

Samir Bashir on igor’sLAB writes about an issue we all run into: USB port colors.

USB ports are one of those wonderfully everyday details that almost everyone sees but hardly anyone really questions—until suddenly the external SSD runs at a snail’s pace or the smartphone charges sluggishly when plugged into the “wrong” port. For years, the colors of USB ports have served as a quick guide.

Unfortunately, in practice, the whole thing is far less clear-cut than many YouTube tutorial videos suggest. That’s the real takeaway: The colors can help, but they aren’t a binding standard—and anyone who blindly relies on them will quickly plug into the wrong port.

White and black are historically mostly correct, blue is often a good indication of 5 Gbit/s SuperSpeed, and anything beyond that is increasingly just manufacturer folklore. That’s exactly why you should view port colors only as a first point of reference—not as a specification.

If you want to quickly know whether the port is suitable for an SSD, capture device, or docking station, you’re better off checking the label, the manual, or the datasheet directly. That’s less romantic than the old color theory, but significantly more reliable. And honestly: With USB, the naming conventions are already chaotic enough. You really don’t need to treat the paint on the port as a standard as well.

Read the whole text here.

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Easyduino: a repository of open source PCB devboards for KiCad

The Easyduino project by Marco Vazquez Madero is an effort to easily dive into different PCB designs of the most popular microcontroller devboards like Arduino, ESP32, Raspberry Pico and STM32 Bluepill (more to come!). Using the free and Open Source Software KiCad and adhering the best practices across the PCB and KiCad ecosystem. Also adding the much needed USB-C support!

The project was born out of the necessity to unify the wide variety of software, languages and conventions used in the most popular devboards. For example Arduino Uno was developed in Italy in 2010 using Eagle. The ESP32 devboard was developed in 2016, China, using Altium. The Raspberry Pi Pico 2040 was developed around 2021 in the U.K. using KiCad and Altium.

This project is distributed under the CERN Open Hardware Licence Version 2 – Permissive which means you are free to use any or all parts of this project with or without disclosing the source, even for commercial projects. As long as you include a copy of the CERN OHLv2 Permissive Licence.

See this project on GitHub.

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Custom Split Flap Display #raspberrypi

Adam G Makes’ finished electro-mechanical display, via YouTube

 

These days it’s fairly easy to procure a split flap display, at a price. Originally used for boarding times and digital clocks, the quirky display’s are full of retro charm, clacking through their alphanumeric digits until they arrive at the message. A quick search and you can find a electro-mechanical display for (gulp) $3,500.

In true maker fashion Adam G Makes opted to go his own way. Why spend hard earned cash on something when you can poor your heart, sweat, time (annnnnd a good chunk of money) into it? Adam found a comparable display for sale for $1000 and spent $850 on all his components. Really nice build using a Raspberry Pi, custom circuits, stepper motors and Hall effect sensors.

Based on:

Printable Split Flap by Morgan Manley: https://www.instructables.com/Split-Flap-Display-3D-Printed-Modular-Compact-Encl/

Split Flap Project by Scott Bezek: https://github.com/scottbez1/splitflap

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Each Friday is PiDay here at Adafruit! Be sure to check out our posts, tutorials and new Raspberry Pi related products. Adafruit has the largest and best selection of Raspberry Pi accessories and all the code & tutorials to get you up and running in no time!

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Making the “Next-Level” camera

Niccolò Venerandi writes about maximum camera aperture and field of view. And how to make a camera that gives both.

What if we want a giant aperture but with a wider field of view too? Well, we can’t.

The bigger the lens is, the bigger the cone of light is too. But also: the wider the field of view of a lens, the bigger the cone of light too.

And, the combination of wide-angle-view and super-high-aperture would literally require light to pass through the metal of the camera in order to reach the sensor.

In order to work around this, you’d have to quite literally tear your camera apart in order to expose the sensor. Somebody has done it, namely some “Stanley Kubrik” guy…

Check out the build video and use video and read all about it in the post here.

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Zach Wally Recreates Tokyo DisneySea’s Tower of Terror Vanishing Illusion

Don’t miss this video from Zach Wally if you want to learn about the history of disappearing acts and how combining 19th century stage tricks with modern technology can lead to some very cool results.

In the mood for a Disney inspired build of your own? Make NeoPixel LED Mickey Ears with NeoPixels or EL Wire!

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