Category Archives: how-to

Network Booting the Pi 4

We’ve talked about PXE booting the Raspberry Pi 3B+, and then looked at the Raspberry Pi 4 as a desktop replacement. But there’s more! The Pi 4 sports a very useful new feature, the flashable bootloader. Just recently a beta version of that bootloader was released that supports PXE  — …read more

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Posted in Hackaday Columns, how-to, Network Hacks, PXE, Raspberry Pi, Raspberry Pi 4 | Leave a comment

Ramen Pen Lets You Doodle with Noodles

Don’t write off your weird ideas — turn them into reality. For years, woodworkers have used pen bodies as a canvas for showing off beautiful wood. But what’s the fun in that? [JPayneWoodworking] made a pen out of Ramen noodles just to see if he could.

The process is pretty …read more

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Posted in epoxy, how-to, misc hacks, pen, pen turning, pressure tank, ramen, send noods | Leave a comment

Peep These Ultra-Real 3D-Printed Eyeballs

For humans, life is in the eyes. Same deal with automatons. The more realistic the eyes, the more lifelike (and potentially disturbing) the automaton is. [lkkalebob] knows this. [lkkalebob] is so dedicated to ocular realism in his ultra-real eyeballs that he’s perfected a way to make the minuscule veins from …read more

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Posted in 3d Printer hacks, animatronic eyes, automaton, how-to, resin casting, silicone casting, thread | Leave a comment

Build Your Own Plasma Ball

The simple plasma ball – it graces science museums and classrooms all around the world. It shares a place with the Van de Graaf generator, with the convenient addition of spectacular plasma rays that grace its spherical surface. High voltage, aesthetically pleasing, mad science tropes – what would make a …read more

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Posted in 2019 Hackaday Prize, Hackaday Prize, high voltage, how-to, plasma, science | Leave a comment

Robotic Laundry Line Reels You In

It may not be a laundry-folding robot, but this robotic launders line build by [Radical Brad Graham] is pretty neat. He has a 75-foot hanging laundry line from his house to a woodshed, and decided to roboticize it using some bits that were lying around. The result is a simple …read more

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Posted in how-to, misc hacks | Leave a comment

How to make a living with Embedded Systems

One of the biggest dreams anyone has is to make a living doing what they love. For all hackers, makers, and DIYers with a passion for embedded systems, it may make sense initially to pursue embedded systems design as a possible career, but without so much information on the types …read more

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Posted in career advice, embedded software engineer, how-to, interview | Leave a comment

Solve Your Precision Woes With a Sliding Angle Grinder

Angle grinders are among the most useful tools for anyone who’s ever had to cut metal. They’re ergonomic, compact, and get the job done. Unfortunately, one of the tradeoffs you usually make when using them is precision.

But thankfully, there’s a DIY solution. YouTuber [workshop from scratch] demonstrated the build …read more

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Posted in angle grinder, hardware, how-to, metal, steel, welding | Leave a comment

Fried Desk Lamp Reborn: How to Use ESP8266 to Build Connected Devices

Some hacks are born of genius or necessity, and others from our sheer ham-fisted incompetence. This is not a story about the first kind. But it did give me an excuse to show how easy it is to design WiFi-connected devices that work the way you want them to, rather …read more

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Posted in desk lamp, ESP8266, Featured, home hacks, how-to, NodeMCU, repair hacks, Skills, udp, xiaomi, yeelight | Leave a comment

Pizza Oven Build Exercises Forgotten Gym Ball

See, this is what happens when pizza lovers follow their dreams. It probably started innocently enough for [phammy57]—he got a pizza stone, then maybe one of those big rocking pizza cutters. Maybe he even learned how to toss the dough high in the air. But every time [phammy57] slid one …read more

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Posted in chicken wire, classic hacks, how-to, Pizza, pizza oven, vermiculite | Leave a comment

Turning Scrap Metal Into Something To Work With

Blacksmiths will frequently work to a customer’s commission, and sometimes those commissions can be somewhat unusual. [Copperrein] had just such a piece of work come his way, a ceremonial sword to be made from a supplied collection of iron and steel items. To render them into something useful he had …read more

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Posted in aristotle furnace, furnace, how-to, iron | Leave a comment