Building a Tape Deck MP3 Player

Is there a difference between pressing a three dimensional button and tapping a screen? JonathanRowny was feeling nostalgic and made an MP3 player that only works on tape decks!

This time I made an mp3 player mixtape that only works in a tape deck. It has a custom pcb with an ESP32, outputs audio to a tape head, reads from an SD card, and has an app. An encoder reads the rotation of the tape head and starts/stops the audio.

See more on YouTube and the untested GitHub revision

This build is giving us major Walkmp3rson vibes!

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NYPL Picture Book Recommendations for Hispanic & Latinx Heritage Month #HispanicHeritageMonth

 

NYPL Teen Reading Ambassadors have put together yet another fantastic book recommendation list, this frim for Latinx Heritage Month!

For Hispanic & Latinx Heritage Month, Teen Reading Ambassadors across the city are celebrating by recommending picture books for ages 3–9. These visual stories highlight Hispanic and Latinx characters and culture from Mexico to the Caribbean with books about everyday experiences, heartfelt family stories, and magical encounters.

Check out the list here

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Shop Sales Notifier for Etsy and Shopify

I’m a big fan of projects that keep you off your phone. Ditch the pocket buzz and build a big, bright physical alert that lets you know when a sale is made. Shared by Becky Stern shared this Shop Sales Notifier on Instructables. Project uses NeoPixels and Adafruit IO

What I ended up with is a shadowbox with both logos backlit with NeoPixels that flash for each sale– orange for Etsy, green for Shopify. Today, I’ll show you how easy it was to put together, so you can follow along and build your own.

 

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Play Drums without a Kit with Space Drums 2.0

Instructables user Makestreme created ESP32-S3 drum sticks:

Space Drums 2.0 completely upgrades the hardware with self contained motion tracking, haptic feedback, and wireless foot pedals, all in nice looking 3D printed housings. But the real deal is on screen. I built a full arcade learning engine in Python, inspired by the gameplay of VR hits like Beat Saber. And you learn to play the drums while you have fun playing a game!

Read more on Instructables and GitHub.

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Detect Hidden Cameras with SweepLED

SweepLED hardware prototype and operation, image via KAIST

 

Cameras are getting smaller and we are all getting more paranoid, so you may want to do this one thing before checking into your short term rental. Using a phone and some inexpensive parts, researchers at KAIST [Korea Advanced Institute of Science and Technology] have developed a system for finding hidden cameras. Dubbed SweepLED, the hidden camera detector relies on the unique reflection from a camera lens. So far, the researchers report a 94% accuracy.

 

SweepLED works by keeping the smartphone camera fixed while changing only the direction of the LED illumination, then analyzing the patterns of reflected light that appear on object surfaces. Reflections from ordinary glossy objects tend to move or disappear depending on the direction of the light. In contrast, camera lenses show distinctive deformation patterns in their reflections due to their internal lens, aperture, and sensor structures.

Learn more! and more from Core77

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LEGO Set Lighting

My son has been huge into LEGO for a couple of years now. The builds decorate the shelves all over the house to the point where they’ve become permanent fixtures. My son and I were talking the other day about some decoration ideas for the upcoming Halloween season and how we could incorporate his LEGO builds. We talked about featuring the builds that were more on the spooky side (Hagrid’s Hut, Knockturn Alley, Malfoy Mansion, The Burrow). He asked, but how do we make them more special than usual? Then I remembered – John Park has the answer for that!

In John Park’s LEGO Set Lighting learn guide, he shows you how to illuminate your bricks with tiny LEDs

Light up your LEGO buildings, spacecraft, vehicles, and more with super-tiny LEDs. Sets such as the Winter Village and Star Wars lines are just begging to have lights added. You can add lights exactly where you want using pre-wired SMD LEDs. Then, you can animate them to blink, dim, and flicker exactly as you like using CircuitPython.

Or, you can keep it very simple using an on/off coin cell battery holder breakout!

Check out the full guide here!

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The Abuelas Project #HispanicHeritageMonth

Check out the Abuelas Project! Responding to a lack of opportunity to share and archive Latinx stories, the Abuelas Project is an archive started by Latinos in Heritage Conservation. Learn, map, share and explore!

The Abuelas Project, led by Latinos in Heritage Conservation, is the people’s archive. Our goal is to protect, amplify and center Latinx stories and history. We use online mapping as a tool
where people can share their own memories, places, and experiences, helping build a people’s record of Latinx heritage.

Learn more!

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