Halloween Tombstone Tea Light Holders – Fuzzy-Skin Textured Set of Three #3DThursday #3DPrinting

Maxx_Design shares:

Three different spooky tombstone tea-light holders, with an alternative version available without crosses. Accommodates round tea lights up to 40mm diameter. Two-piece construction with fuzzy skin texture. Stones print at 45° angle for optimal surface quality. Base plates use 150% flowrate with Hilbert curve pattern for the fuzzy top layer; lower stone portions must print without fuzzy skin for proper assembly fit. Pre-configured profiles with custom fuzzy skin settings and manual supports provided. Commercial license available via Patreon. By Maxx Design

download the files on: https://makerworld.com/en/models/1859414-halloween-tombstone-tea-light-holders

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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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A Pi-hole-class DNS ad-blocker on an ESP32-C3 (no PSRAM)

Zed (@M-Abozaid) published a DNS ad-blocker on GitHub that runs on a $2 ESP32-C3 with no PSRAM. Most ESP32 DNS sinkholes load blocklist domain strings into RAM, which is why they need PSRAM. This one stores each domain as a sorted 40-bit FNV-1a hash in flash and binary-searches it. Over 140,000 domains fit in about 0.7 MB of flash, match in roughly 10 ms, and use about 50 KB of RAM.

The 40-bit width is a deliberate pick. At 141k domains collisions are near zero, and at 537k there is about one over-blocked domain. A 32-bit hash would save 20% of the flash but produce around seven collisions at 250k domains.

There is a UDP DNS sinkhole, a web dashboard at c3adblock.local, WiFi captive portal setup, and OTA updates for both firmware and blocklist. On a 4 MB board, firmware OTA needs two app slots, leaving about 1.3 MB for the list, so roughly 250k domains. The 537k “ultimate” list requires the single-app partition table. A printable case for the C3 SuperMini is included.

See more on GitHub.

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The Python on Microcontrollers Newsletter: subscribe for free

The Python for Microcontrollers Newsletter is the place for the latest news involving Python on hardware (microcontrollers AND single board computers like Raspberry Pi).

This ad-free, spam-free weekly email is filled with CircuitPython, MicroPython, and Python information that you may have missed, all in one place!

You get a summary of all the software, events, projects, and the latest hardware worldwide once a week, no ads! You can cancel anytime.

It arrives about 11 am Monday (US Eastern time) with all the week’s happenings.

And please tell your friends, colleagues, students, etc.

Please sign up > > >

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New nEw NEWS From Adafruit Round-Up: July, August & September 2026

New nEw NEWs is Adafruit’s weekly newsletter that features new products, special offers and more. Sign up at Adafruit.com/Newsletter to receive New nEw NEWs!

• Vol. #471: Summer Nights Gift Guide!
• Vol. #472: Build with the VEML7700 Lux Sensor – I2C Light Sensor
• Vol. #473: NeoPixel Stick – 8 x 5050 WWA White LEDs with Integrated Drivers!
• Vol. #474: Get Back to Retro Computing with our Fruit Jam Mini-Computer Kit
• Vol. #475: Back to School 2026
• Vol. #476: Adafruit SCD-43 – True CO2 Temp & Humidity Sensor
• Vol. #477: Full Fruit Jam Mini Computer Kit
• Vol. #478: Adafruit Stereo I2S 3W Amplifier Breakout Coming Soon!
• Vol. #479: TMF8801 & TMF8806 Time of Flight Distance Sensors
• Vol. #480: CircuitPython Watchdog Module
• Vol. #481: CircuitPython Turbo
• Vol. #482: Adafruit TCS3448 14-Channel Light / Color Sensor Breakout
• Vol. #483: Arcade Machine Emulator

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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 New nEw NEWS here: https://www.adafruit.com/newsletter

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Queens Public Library’s Hispanic Heritage Month Booklists

The folks at Queens Public Library have put together 6 fantastic book lists to celebrate Hispanic Heritage Month:

• For Adults
• For Teens
• For Children
• Libros Para Adultos
• Libros Para Adolescentes
• Libros Para Niños

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Eye Pendant V2

A followup to last year’s Soul Cage vishalsoniindia has another entry in the spooky wearable category.

The Eye Pendant is a wearable electronic pendant with a small round display that shows an animated eye. The eye moves around the screen, looking in different directions and creating the illusion of a realistic eye watching you. It gives the pendant a creepy personality that is perfect for Halloween

See the details on Instructables!

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HAPPY HALLOWEEN! All month on the Adafruit Blog we’ll be bringing you ideas and projects for an Electronic Halloween

Learn, Shop and get inspired with the Halloween Gift Guide

Working on a project for Halloween this year? Let us know about it or tag us on socials!

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A picnic table, binaural birdsong and double forest POTA ATNO action! – EI3LH

EI3LH wrote up two days of Parks on the Air activations in County Kilkenny, Ireland, on ei3lh.eu. Both parks were ATNOs, or all time new ones, meaning nobody had activated them before.

The first was Coill an Fhailtaigh National Forest, IE-0056, one of Ireland’s 16 Millennium Forests. With the park close to closing, the setup was a Yaesu FT-891 and an ATAS antenna at 100 watts on CW. Ten contacts came in 16 minutes, and the session finished with 27 QSOs in an hour and nine minutes, including Tennessee, Washington state and New York.

The next day brought a lunch break test of an Elecraft KH-1 with a battery that had not been charged. Output was around 2 watts. That was enough for four SOTA contacts in Spain, Slovenia, Switzerland and Germany in 20 minutes.

The evening park was Jenkinstown, IE-0057, activated in 11 minutes and finishing at 37 QSOs. EI3LH also made a binaural field recording of the forest birdsong using a Tascam recorder and Roland CS-EM10 earphones, best heard on headphones.

See the video below and more at ei3lh.eu.

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