Hackaday

Speeding Up Your Projects With Direct Memory Access

Here’s the thing about coding. When you’re working on embedded projects, it’s qu...

Ultra-Low Power Soil Moisture Sensor

Electricity can be a pretty handy tool when it stays within the bounds of its wi...

A Foot Pedal To Supplement Your Keyboard

It’s 2025, and you’re still probably pressing modifier keys on your keyboard lik...

The Capacitor Plague of the Early 2000s

Somewhere between the period of 1999 and 2007 a plague swept through the world, ...

Keebin’ with Kristina: the One with the Cheesy Keyboard

Let’s just kick things off in style with the fabulously brutalist Bayleaf wirele...

Simulating Embedded Development To Reduce Iteration Time

There’s something that kills coding speed—iteration time. If you can smash a fun...

Checking In On the ISA Wars and Its Impact on CPU Archi...

An Instruction Set Architecture (ISA) defines the software interface through whi...

Writing a GPS Receiver from Scratch

GPS is an incredible piece of modern technology. Not only does it allow for loca...

DIY Your Own Red Light Therapy Gear

There are all kinds of expensive beauty treatments on the market — various cream...

Simple Robot Assembled From E-Waste Actually Looks Pret...

If you’re designing a robot for a specific purpose, you’re probably ordering fre...

Current Mirrors Tame Common Mode Noise

If you’re the sort who finds beauty in symmetry – and I’m not talking about your...

Turning Down the Noise on SMPS

On paper, electricity behaves in easy-to-understand, predictable ways. That’s mo...

Recreating A Braun Classic With 3D Printing

Braun was once a mighty pillar of industrial design; a true titan of the mid-cen...

Repairing a Legendary Elka Synthex Analog Synthesizer

Somehow, an Elka Synthex analog synthesizer made it onto [Mend it Mark]’s repair...

Ask Hackaday: What Would You Do With the World’s Smalle...

It’s generally pretty easy to spot a microcontroller on a PCB. There are clues a...

Build Your Own Air Mouse, Okay?

Are you using a desk mouse like some kind of… normal computer user? Why, beg the...

Relativity Space Changes Course on Path to Orbit

In 2015, Tim Ellis and Jordan Noone founded Relativity Space around an ambitious...

3D Printed Brick Layers for Everyone

Some slicers have introduced brick layers, and more slicers plan to add them. Un...

A 6502, In The Shell

Shell scripting is an often forgotten programming environment, relegated to simp...

The Amiga No One Wanted

The Amiga has a lot of fans, and rightly so. The machine broke a lot of ground. ...

Wire Recording Speaks Again

If you think of old recording technology, you probably think of magnetic tape, e...

Hackaday Links: March 16, 2025

“The brickings will continue until the printer sales improve!” This whole printe...

Blue Ghost Watches Lunar Eclipse from the Lunar Surface

After recently landing at the Moon’s Mare Crisium, Firefly’s Blue Ghost lunar la...

Inside a “Budget” Current Probe

Current measurements are not as handy as voltage measurements. You typically nee...

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