Hackaday Links: October 25, 2026
Some disappointing, but perhaps not entirely unsurprising news this week out of Denmark — after announcing last year that they would transition away from Microsoft’s proprietary software, the realities of …read more
Topic - Edition
Hardware
ESP-NOW Walkie Talkies
Ditch the smart phone and communicate with your buddy by building this set of walkie talkies! A Feather ESP32-S3 Reverse TFT runs Arduino code that uses the ESP-NOW wireless protocol to send and receive I2S audio…
A 3D Printed Marble Clock, but it’s Scrolling Text
With the topic of marble clocks having been quite well explored at this point, it raises the question of how easy it would be to take the basic principle and …read more
Local Wikipedia
A Mr. Rogers might sing.. 🎶these are the places in your neighborhood..🎵 Get better acquainted with your neighborhood with Local Wikipedia, enter your location and Local Wiki will highlight wiki entries within a half…
Mesh Network Telephony Over Bluetooth on Android Phones
Telephony is a bit of a mixed bag. On the one hand, being able to talk to people in far off places is kind of neat, at least in theory. …read more
Adafruit Weekly Editorial Round-Up: CircuitPython 11.0.0-alpha.2, Halloween Gift Guide Sale, & more
ADAFRUIT WEEKLY EDITORIAL ROUND-UP We’ve got so much happening here at Adafruit that it’s not always easy to keep up! Don’t fret, we’ve got you covered. Each week we’ll be posting a handy round-up of what we’ve been up…
Simple, Reliable RF Remote Control
Some of the first remote controls available to consumers used sound, visible light, or even just wires to communicate with their parent device. It was many years between these first …read more
Building Passive Headphones
YouTuber Paul Lagier designed and built 3D printed passive headphones to enable easy repairs if anything breaks. The design combines 3D-printed ear cups, TPU seals, an adjustable headband and interchangeable side…
Eye of Sauron: long-range hidden spy camera detection and positioning with inbuilt memory EM radiation
Researchers from Hunan University, UC San Diego, and Michigan State University presented ESauron at USENIX Security ’24, a system that finds hidden spy cameras by listening for the electromagnetic radiation their memory…
Meshtastic Pet Tracking
Most commercial pet trackers require a subscription or network connection to function. [Jon G Aguado] wanted a better way and designed LIA, a Meshtastic collar tracker. LIA uses a custom …read more
An Analog TV Station For Anyone
If you’re a collector of older TVs, you’re probably facing the problem in some form of having no transmissions to tune in to. With many sets you can use a …read more
Pushing Bluetooth out to 12 Kilometers
Bluetooth is a short-range protocol that’s great for peripherals and finding your keys, but it’s limited range is mainly a product of how it’s usually implemented. A recent video from …read more
Deki Engine – ESP32 gets an open source Unity-style editor and C++ 2D game engine
Deki Engine is an open-source modular C++ engine with a Unity-style visual editor for embedded devices, currently optimized for ESP32 platforms such as LilyGO T-Deck Plus, T-Display S3 AMOLED, and soon Elecrow CrowPanel…
Remembering the Weirdest Nintendo DSi Accessory
The Nintendo DSi was released in November 2008, and boasted a new feature not formerly seen on the brand’s handhelds—it had two cameras, inside and outside. It let the console …read more
The Slurptop: A home-built luggable that runs on power tool batteries