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An Adapter to Solve Your ESP-01 Breadboard Woes
The ESP-01 launched the ESP8266 revolution back in 2014, and while today you’re far more likely to see somebody use a later version of the chip in a Wemos or NodeMCU development board, there are still...
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R/C Toilet Paper Roll is the Hero we Deserve
For reasons that most rational consumers can’t fathom, a not inconsiderable segment of the population believes the key to their continued survival during a pandemic unprecedented in modern times is to...
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Turn Off Those Batteries With Their Protection Chip
It should be a feature of every device powered by a lithium-ion battery, that it has a protection chip on board that automatically disconnects it should it go out of its safe voltage range. A chip...
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The CLUE Tracker Points You To a Target, using CircuitPython
The main components are an Adafruit CLUE, Stemma GPS, and a lithium-polymer battery. No soldering required. [Jay Doscher] shares a quick GPS project he designed and completed over a weekend. The device...
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Hackaday Links: April 5, 2020
Git is powerful, but with great power comes the ability to really bork things up. When you find yourself looking at an inscrutable error message after an ill-advised late-night commit, it can be a...
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Harry Potter Wand Hack Makes Magic Real
Any sufficiently advanced hack is indistinguishable from magic, a wise man once observed. That’s true with this cool build from [Jasmeet Singh] that magically opens a box when you wave a Harry Potter...
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An Arduino-Free Automatic Alcohol Administrator
With all the hands-free dispenser designs cropping up out there, the maker world could potentially be headed for an Arduino shortage. We say that in jest, but it’s far too easy to use an Arduino to...
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Global Status Board Keeps Eye on COVID-19 Situation
When it comes to keeping abreast of the COVID-19 pandemic, there are basically two schools of thought. Some people would rather not hear the number of confirmed cases or deaths, and just want to focus...
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Download A Bit Of Sinclair History
If you are a devotee of the Sinclair series of 8-bit home computers then a piece of news from the Centre For Computing History in Cambridge may be of interest to you, they’ve released a copy of the...
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Flexible Build Platforms Work For FDM, How About SLA?
Flexible steel sheets as the foundation for build platforms are used to great advantage in FDM 3D printers. These coated sheets are held flat by magnets during printing, and after printing is done the...
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Compiling C to PowerPoint
If you have worked for a large company — or even a small one — it might seem that you spend more time writing PowerPoint charts than programming. [Tom Widenhain’s] video asks the question: Can we...
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Help Save The National Videogame Museum
The National Videogame Museum in Sheffield, UK, houses a unique collection celebrating all decades of video games and their culture, and as the lockdown has brought with it a crisis threatening its...
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Reliability Check: Consumer and Research-Grade Wrist-Worn Heart Rate Monitors
Wearables are ubiquitous in today’s society. Such devices have evolved in their capabilities from step counters to devices that measure calories burnt, sleep, and heart rate. It’s pretty common to...
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Real Engineering Behind Ventilators
Experts on cognition tell us that most people think they know more than they really do. One particular indicator for that is if someone is an expert in one field and they feel like all other fields...
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PCB Mill Turns Out Stylish Necklace
When needing a custom PCB, most of us will whip up design files and send them off to a board house. Prices are low and turnaround times are bearable, with quality that’s difficult to replicate at home....
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Learn PDP-11 Assembly for Fun but Probably No Profit
Learning a new skill is fun, especially one that could land you a new job. We don’t think you’ll find too much demand for PDP-11 assembly language programmers, but if it still interests you, check out...
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Machine Vision Keeps Track of Grubby Hands
Can you remember everything you’ve touched in a given day? If you’re being honest, the answer is, “Probably not.” We humans are a tactile species, with an outsized proportion of both our motor and...
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Industrial Robot Given New Life and Controller
We all think we could use a third arm from time to time, but when we actually play this thought experiment out in our heads we’ll eventually come to the same hurdle [caltadaniel] found, which is a...
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A Hacker’s Guide to JTAG
If you’re reading Hackaday, you’ve almost certainly heard of JTAG. There’s an excellent chance you’ve even used it once or twice to reflash an unruly piece of hardware. But how well do you actually...
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Teardown Of Oddball Night Vision Shows Off Retro-futuristic Vibe
Night vision aficionado [Nicholas C] shared an interesting teardown of a Norwegian SIMRAD GN1 night vision device, and posted plenty of pictures, along with all kinds of background information about...
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