[Kerry Wong] had some extreme MOSFETs (IXTK90N25L2) and decided to create a high current electronic load. The result was a two-channel beast that can handle 50 A per channel. Together, they can sin…

We all know that hacker that won't use a regular compiler. If he's not using assembly language, he uses a compiler he wrote. If you don't know him, maybe it is you! If you really don't know one, then ...

Some of us have looked at clear resin jewelry casting kits online and started to get ideas. Hackaday’s own [Nava Whiteford] decided to take the plunge and share the results. After purchasing …

It’s impossible to know when society began to manicure its front lawns. Truth be told — cutting the grass was, and still is a necessity. But keeping the weeds at bay, trimming, edging a…

The Philips Hue range is a great way to add wirelessly controllable lighting to your home, but the protocol is proprietary which makes it difficult to add our own custom hardware. [Peter] found a w…

Have you heard about the new Raspberry Pi Zero W which now includes WiFi and Bluetooth? Of course you have. Want to know what went into the addition to the popular design? Now's the time to ask when ...

Last weekend I ran out of filament for my 3D printer midway through a print. Yes, it’s evidence of poor planning, but I’ve done this a few times and I can always run over to Lowe’…

Everything you do bears some risk of getting you hurt or killed. That's just the way life is. Some people drown in the bath, and others get kilovolt AC across their heart. Knowing the dangers -- how d...

Brewing beer or making wine at home isn’t complicated but it does require an attention to detail and a willingness to measure and sanitize things multiple times, particularly when tracking th…

The ESP8266 has become one of those ubiquitous parts that everyone knows. However, the new ESP32 has a lot of great new features, too. If you want to take the ESP32 for a spin, you should check out…

Who doesn't love a good robot? If you don't -- how dare you! -- then this charming little scamp might just bring the hint of a smile to your face.

SDDSbot -- built out of an old Sony Dynamic Digita...

Stepper motors are a staple in all sorts of projects, but it’s often the case that a gearbox is needed, especially for applications like the linear drives in CNC machines and 3D printers. In …

Few things beat a sturdy, home-built desk — especially when it’s jam-packed with over 1200 WS2812 LEDs. [nolobot] and his bother struggled with setting up and squaring-off the t-slotted…

We're excited to announce that Chicago will play host to the Hackaday Unconference on March 18th. We are happy to expand our unconference plans to include this event at Pumping Station One from 1-8pm...

Sometime last summer, I suffered a very sad loss indeed. My soldering iron failed, and it was not just any soldering iron, but the Weller Magnastat temperature-controlled iron that had been my iron…

The naming and remixing in this project can get a little confusing to those unfamiliar with the different elements involved, but what [John Gerrard] has done is take a stylish mini arcade cabinet i…

If you’ve ever needed an example of why you should not plug random USB peripherals into your computer, you need only look at BadUSB. The BadUSB attack relies on the fact that the microcontrol…

The project itself is very simple: getting push notifications via MQTT when a wireless doorbell sounds. But as [Robin Reiter] points out, as the “Hello, world!” program is a time-honore…

Hardly a week goes by that some Hackaday post doesn’t elicit one of the following comments: That’s stupid! Why use an Arduino when you could do the same thing with a 555? And: That&#821…

According to the World Federation of the Deaf, there are around 70 million people worldwide whose first language is some kind of sign language. In the US, ASL (American Sign Language) speakers number ...