Category Archives: servo

Printed Door Handle Turns Key With a Servo

[Madalin Valceleanu] had a somewhat unique problem. He wanted to make his front door a bit “smarter”, but none of the IoT door locks he found were compatible with the style of reinforced door he had. So he set out to design and 3D print his own Internet-controlled door handle. …read more

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Posted in door lock, home automation, home hacks, key, servo | Leave a comment

Automating Hand Sanitizer — If You Can Find Any

We once saw a Romeo and Juliet production where the two families were modern-day mob families with 3-piece suits and pistols. If they made King Richard III set in this week, the famous line might be: “Hand sanitizer, hand sanitizer, my kingdom for hand sanitizer!” Even if you have a …read more

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Posted in arduino, Arduino Hacks, Covid-19, fishing line, hand sanitizer, servo | Leave a comment

This Is Not An Argument Bot

While in-person arguments are getting harder to come by these days, we’ll always have the internet (hopefully). So what can you do to stay on your game in a time when a little levity is lauded? Build an argument bot and battle wits with the best — a stern-faced John …read more

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Posted in chatbot, DialogFlow, Google AIY, Monty Python, Raspberry Pi, Raspberry Pi B+, servo | Leave a comment

Self-Playing Kalimba V2 Thanks to Readers Like You

Would you like to know the great thing about this community we have here? All the spitballing that goes on every day in the comments, the IO chat rooms, and in the discussion threads of thousands of projects. One of our favorite things about the Hackaday universe is that we …read more

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Posted in arduino, Arduino Hacks, kalimba, musical hacks, rack and pinion, servo | Leave a comment

This Servo Actuated Multimeter Does the Twist

This tip comes our way courtesy of [Elad Orbach], who’s been experimenting with a device that uses a servo to turn the function dial on a multimeter. It’s something you can put together in a few minutes with leftovers from the parts bin, and as you can see in the …read more

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Posted in assistive technolgy, automation, multimeter, servo, tool hacks, VOM | Leave a comment

Be Still, My Animatronic Heart

Fair warning for the squeamish: some versions of [Will Cogley]’s animatronic heart are realistic enough that you might not want to watch the video below. That’d be a shame though, because he really put a lot of effort into the build, and the results have a lot to teach about …read more

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Posted in animatronic, arduino, beating, diastole, heart, misc hacks, organ, robots hacks, servo, systole | Leave a comment

Active Suspension R/C Car Really Rocks

When you’re a kid, remote control cars are totally awesome. Even if you can’t go anywhere by yourself, it’s much easier to imagine a nice getaway from the daily grind of elementary school if you have some wheels. And yeah, R/C cars are still awesome once you’re an adult, but …read more

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Posted in accelerometer, active suspension, arduino, Arduino Hacks, drift, mpu6050, R/C car, servo, super scale R/C | Leave a comment

Space-Saving Servo Tester Console Looks Space-Worthy

You know how it goes — sometimes you just have to stop in the middle of a project and build yourself a tool that vastly improves your workflow as soon as it’s completed. [Ikkalebob] aka [Will Cogley] on YouTube is working on some super secret project that requires a whole …read more

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Posted in 3d printed hinge, Arduino Hacks, Arduino Uno, folding enclosure, servo, servo tester | Leave a comment

Cat Diner Now Under New Management

Most of these stories start with a cat standing on someone’s chest, begging for food at some obscene hour of the morning. But not this one. Chaz the cat is diabetic, and he needs to get his insulin with breakfast. The problem is that Chaz likes to eat overnight, which …read more

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Posted in automatic cat feeder, lifehacks, Microcontrollers, NodeMCU, servo | Leave a comment

Steel Tubes and Ground Plates Form the Skeleton of This DIY Vertical CNC Mill

If you’re going to do it yourself, you might as well outdo yourself. That seems to be the thinking behind this scratch-built CNC mill, and it’s only just getting started.

According to [Kris Temmerman], the build will cost about $10,000 by the time he’s done. So it’s not cheap, and …read more

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Posted in atc, ball screw, cnc, cnc hacks, drawbar, linear bearing, servo, spindle, tool chnager, tool hacks, tormach | Leave a comment