Collaborate Disseminate
When asked to whip up a simple egg timer, most of us could probably come up with a quick design based on the ubiquitous 555 timer. Add a couple of …read more Continue reading Should’ve Used a 555 — Or 276 of Them
[James Sharman] has built an impressive 8-bit homebrew computer. Based on TTL logic chips, it has a pipelined design which makes it capable of Commodore-level computing, but [James] hasn’t quite …read more Continue reading VGA From Scratch On A Homebrew 8-bit Computer
With July slipping away and the deadline approaching, the Project Egress builds are pouring in now. And we’re starting to see more diversity in the choice of materials and methods for the parts being made, like these two latches made with very different methods by two different makers.
For the …read more
Continue reading Project Egress: Two Ways to Latch the Hatch
[Fran Blanche] is on the team of elite hackers that has been offered a chance to contribute to [Adam Savage]’s Project Egress, a celebration of the engineering that got humanity to the Moon 50 years ago this month. By the luck of the draw, she landed a great assignment: building …read more
A group of tenants in New York City have prevailed in a lawsuit against their landlord’s use of smart locks. Continue reading Metal keys beat smart locks in NYC legal battle
If you’ve spent any time on hackaday.io, you may have noticed that more than a few denizens of the site are fans of “alternative” electronic logic. Aiming to create digital circuits from such things as relays, vacuum tubes, discrete transistors, and occasionally diodes, they come up with designs that use …read more
Continue reading Help Solve The Single-Transistor Latch Mystery
For most of human industrial history, the blacksmith was the indispensable artisan. He could fashion almost anything needed, from a simple hand tool to a mechanism as complex as a rifle. Starting with the most basic materials, a hot forge, and a few tools that he invariably made himself, the blacksmith was a marvel of fabrication.
If you have any doubt how refined the blacksmith’s craft can be, feast your eyes on [Seth Gould]’s masterpiece of metalwork. Simply called “Coffer”, [Seth] spent two years crafting the strongbox from iron, steel, and brass. The beautifully filmed video below shows snippets of …read more
Continue reading Blacksmith Elevates the Craft with this Fabulous Strongbox
While trying to revive a Donkey Kong Jr arcade board, [Jelmer Bruijn] found himself in the market for an EPROM programmer and became the proud owner of a 1990’s era Dataman S4. Despite its age, it’s a fairly nice tool which allows you to read and write a laundry list of different EPROM types, all without being tied to a computer. The only catch is that a few types of chips need an adapter to work in the Dataman S4, some of which are unsurprisingly no longer available.
After some above and beyond support from the current crew at Dataman …read more
Continue reading Vintage Programmer Gets Modern Chip Adapter
No matter how mad your 3D printing skills may be, there comes a time when it makes more sense to order a replacement part than print it. For [billchurch], that time was the five-hour window he had to order an OEM part online and have it delivered within two days. The race was on — would he be able to model and print a replacement latch for his dishwasher’s detergent dispenser, or would suffer the ignominy of having to plunk down $30 for a tiny but complicated part?
As you can probably guess, [bill] managed to beat the clock. But …read more
Continue reading Repairs You Can Print: Racing the Clock for a Dishwasher Fix
Enterprise-grade smart lock startup Latch has added a third product to its portfolio. The ‘Latch C’ is notable as its first smart lock to be certified to work with Apple’s HomeKit. Read More Continue reading Latch adds HomeKit-approved smart lock to its enterprise suite