Writing An ESP32 Bluetooth Printer Driver In Two Acts
Hackadayby Tom Nardi23d ago
[Bas BotBerg] wanted to use a portable Bluetooth thermal printer to run off reports on sensor data collected by an ESP32-C3 microcontroller.
Hackaday
hackaday.comadded August 2026
top 10%Hackaday Europe 2026: Space Oddities
Hackadayby Zoe Skyforest24d ago
If you’re in motorsport, or maritime, or mining fields, you can always call on a technician to come down and fix something when it’s broken.
Rosy Retrocomputing
Hackadayby Al Williams24d ago
Most of us are guilty of romanticizing the past. Do you long to be the captain of a tall ship? Just as long as you don’t mind weevils in your food, vitamin deficiencies, and death from an infection...
CircuitPython Goes Turbo With Precompiled Functions
Hackadayby Tyler August24d ago
It would not be at all original to declare that Python is the new BASIC. Like BASIC, it has been the first programming language for a whole generation of coders, and its main advantage is that it’s...
Dramatically Increasing Usable Closet Space
Hackadayby Bryan Cockfield24d ago
As any science YouTuber or first-year physics student is quick to point out, the universe is mostly empty space.
Hackaday Links: September 13, 2026
Hackadayby Tom Nardi24d ago
We try to steer clear of politics and societal issues here at Hackaday, so a protest is not usually the sort of thing we’d cover.
Making An Air-Powered Circular Saw With LEGO
Hackadayby Maya Posch25d ago
Although building a table saw out of LEGO is probably not the first thing that comes to mind when you look at those colorful bits of plastic, [Jamie] has been on a bit of a search for more...
How To Fold Curved Lines In Metal Without Fancy Tools
Hackadayby Donald Papp26d ago
Folding a sheet of metal in a straight line is one thing, but how does one fold multiple curved lines into a sheet of aluminum without fancy machines?
Making A Neo Nuvistor Project In 2026
Hackadayby Maya Posch27d ago
For a little while vacuum tubes and semiconductors were fighting a heated battle for dominance, with bipolar junction transistors and 1959’s RCA Nuvistor both allowing you to build a compact...
This Week In Security: It’s Patch Tuesday Again, TVs Spying, Supply Chain Worms Return, Prolonged Hack Impacts, Stolen IDs
Hackadayby Mike Kershaw27d ago
Several times this summer, Microsoft’s Patch Tuesday, the monthly roundup of major security patches for Microsoft products, has included record-breaking numbers of security fixes.
Custom AMOLED Wearable Makes Great Icebreaker
Hackadayby Donald Papp28d ago
Nifty little AMOLED screens are easy to get nowadays, and [Sophie D] demonstrates they are both thin and light enough to be worn with OpenChoker, a design for a choker necklace that was a hit at...
Tech In Plain Sight: Meet The Robot That Does CPR
Hackadayby Al Williams28d ago
Usually in Tech In Plain Sight, we talk about technology you probably see every day, even if you don’t notice it.
Local LLMs Can Work Better Than Claude, At Least For Some
Hackadayby Tyler August28d ago
This is going to be a very personal question, because when you’re talking cloud vs local anything, it comes down to this: how much are you willing to pay for independence?
Hunting The Wild Vibrotruck
Hackadayby Elliot Williams29d ago
A few weeks ago, my wife was out walking the dog, and she sent me four or five photos of small orange boxes planted all around our neighborhood. (OK, I’ll bite!)
Decoding The NEC V20 Microcode ROM
Hackadayby Maya Posch29d ago
The NEC V20 is an Intel 8088-compatible processor that features the same use of microcode, though with its own characteristics.
Anti-Doomscroll Tamagotchi Only Lives If You Do
Hackadayby Tyler August29d ago
The odds are, you have a device deliberately designed to be addictive in your pocket or on the table next to you if you aren’t staring at it right now– your smartphone.
Are Desktop PC-ABS Prints Outperformed By Industrial FDM? Not Really
Hackadayby Donald Papp8 Sept 2026
[Igor] of [My Tech Fun] set out to discover what differences, if any, can be found between parts printed in PC-ABS filament on an industrial 3D printer, and those from prosumer-grade machines and...
Hackaday Europe 2026: Outdoors With Robots
Hackadayby Elliot Williams8 Sept 2026
Erin Kennedy has been building robots for over a decade now, with a focus on smaller bots that interact with, or maybe even clean up, the outdoor environment.
The Helicopter With Radioactive Blades
Hackadayby Adam Fabio7 Sept 2026
Sometimes you find gold in unexpected places. In this case, it’s from a video about the CH-53 helicopter. The CH-53 Sea Stallion first entered service in 1966.
NES Radar Tracks Flights At 9600 Baud
Hackadayby Tyler August7 Sept 2026
Air traffic visualizers seem to be having a bit of a moment right now, and now that moment has come to the venerable NES thanks to [k6lcm]’s NES Radar project, which is open-source under the GPL on...