These Are The Twenty Finalists For The Hackaday Prize Best Product

Hackaday is hosting the greatest hardware competition on Earth, and we’re giving away thousands of dollars to hardware creators to build the next generation of electronics. This is the Hackaday Prize, and already we’ve selected dozens of projects, one of which will win $50,000 USD.

Like last year, this year’s Hackaday Prize is very special. We’re supporting entrepreneurs building the Next Big Thing. This is the Best Product competition of The Hackaday Prize, and these are the products that will shake up an industry.

Now, it’s finally time to pick the finalists. These twenty projects will move onto the final round of the Best Product competition for a chance to win $30,000 USD, and an opportunity to work in the Supplyframe Design Lab, perfecting their prototype and turning it into a product.

The Hackaday Prize Best Product finalists are, in no particular order:

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These Twenty Wheels, Wings, And Walkers Won $1000 In The Hackaday Prize

Today, we’re excited to announce the winners of the Wheels, Wings, and Walkers portion of The Hackaday Prize. We were looking for the next generation of robots, drones, machines that make machines move, and hackers who now know far too much about inverse kinematics. The results were spectacular.

Hackaday is currently hosting the greatest hardware competition on Earth. We’re giving away thousands of dollars to hardware creators to build the next great thing. Last week, we wrapped up the third of five challenges. It was all about showing a design to Build Something That Matters. Hundreds entered and began their quest to build a device to change the world.

There are still two more challenges in The Hackaday Prize. If you’re working on Assistive Technologies, the time is now, with this portion of the Prize ending September 4th. After that, Anything Goes. The Anything Goes challenge is the catch-all, and we’re looking for the best projects, full stop.

The winners of the Wheels, Wings, and Walkers challenge are, in no particular order:

Wheels, Wings, and Walkers Hackaday Prize Finalists:

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Hackaday Prize Entry: 18-DOF Hexaopod Aiming To Float

[Ken Conrad] didn’t like spiderbot projects he saw on the Internet: they mostly had 2 degrees of freedom per leg—if not fewer. He set out to make a hexapod robot with 18 DOF and the ability to move in any direction. Measuring around 20” from tip to tip, the custom, 3D-printed chassis was designed around eighteen SG90 9g micro servos. Each leg has 3 servos, one to move the tip, one for the middle, and one to move the entire leg back and forth, crab-style.

Perhaps the most intriguing notion of the project are the big paddle-like legs. [Ken] hopes get the robot to achieve some degree of flotation by laying its lower legs flat, staying afloat either due to surface tension, or maybe with the help of some buoyant material added to the legs.

[Ken] still has to figure out a control system for this beast, but we’re in awe of his creative use of zip-ties in place of traditional fasteners.

Hackaday Prize Entry: The Arduino Powered LED Persistence Of Vision Rechargeable 3D Printed Fidget Spinner

It had to come to this. For his entry into this year’s Hackaday Prize, [Sean Hodgins] created a persistence of vision fidget spinner. This isn’t just any PoV fidget spinner — this is the ultimate in fidget spinner technology. It’s rechargeable, and there’s an Arduino inside. The enclosure is 3D printed. It improves morale. It is everything you ever wanted in a fidget spinner, and it’s the last fidget spinner project [Sean] will ever make.

We’ve seen electronic fidget spinners before, but never to this degree of polish. The fidget spinner that teaches coding is fantastic, but it’s not quite as refined as connoisseurs of fine fidgets would like. The Internet of Fidget Spinners is likewise a worthy effort and even includes RGB LEDs and WiFi, but [Sean]’s POV fidget spinner is on another plane of reality. This spinner uses batteries that can be recharged, and there’s even a 3D printed (sintered, even!) enclosure that fits everything into a small, compact package. It is, by far, the most elegant fidget spinner we’ve ever seen, and it measures its own rotation speed. It just doesn’t get any better than that.

You can grab all the sources for this amazing fidget spinner on [Sean]’s GitHub, or check out the under-monetized demo video he made below.

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Hackaday Prize Entry: Pan And Tilt Sprinkler

There are a few very popular irrigation systems entered into this year’s Hackaday Prize. In fact, last year’s winner for the Best Product portion of the Prize was the Vinduino, a soil moisture monitor for vineyards. Most of these irrigation systems use drip irrigation or are otherwise relatively small-scale. What if you need something a little more powerful? That’s where [Patrick]’s PTSprinkler comes in. It’s a massive lawn sprinkler coupled to a computer controlled pan and tilt mount. Think of it as a remote controlled Super Soaker, or the Internet of squirt guns. Either way, it’s a great entry for this year’s Hackaday Prize.

The PTSprinkler is designed to use as many low-cost, off-the-shelf components as possible. This started out with a heavy duty outdoor pan-tilt stage an irrigation solenoid valve.

The idea for this sprinkler is to first manually define a shape on the lawn that the sprinkler should cover. From there, the electronics figure out a fill pattern for this grassy polygon. So far, [Patrick] has an electronics board that will move the pan/tilt stage with the help of a Raspberry Pi. You can check out a video of that in action below.

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Hackaday Prize Entry: USB Packet Snooping

Sometimes you run into a few problems when developing your own hardware, and to solve these problems you have to build your own tools. This is exactly how [KC Lee]’s USB Packet Snooper was created. It’s a small device that allows for capturing and analyzing Full Speed USB traffic to debug one of [KC]’s other Hackaday Prize entries.

[KC] is building an HID Multimedia Dial for this year’s Hackaday Prize. It’s kind of like the Microsoft Surface Dial or the ubiquitous Griffin PowerMate that has been on the market for the better part of two decades. This multimedia dial is bitbanging USB with an STM8, which means [KC] needs a tool to capture raw USB packets.

The design of this USB Packet Snooper is split up into two parts. The first is either a dongle or a pass-through device that simply serves as a tap between a USB device and a USB host. The logging and analysis board attaches to this dongle, and uses a rather fast ARM microcontroller to listen in on USB packets and send everything over serial to a PC.

This is a rather novel device; V-USB is limited to Low Speed USB, and other USB capture tools are far out of reach of the hobbyist budget. Software solutions on a PC obviously won’t work because [KC] doesn’t even know if he’s sending valid USB packets. This is a great tool that finally brings hobbyist-level USB analysis up to Full Speed USB.

Hackaday Prize Entry: Don’t Build This

The ESP8266 is a remarkable piece of hardware. What we originally thought — and what was originally marketed as — a simple UART to WiFi bridge with Hayes modem commands has turned into one of the best embedded platforms around. It’s a powerful little microcontroller, it has WiFi, and it can send raw frames. That last bit is awesome, because it allows for some mischief or mirth making, depending on your point of view.

For his Hackaday Prize entry, [Tejas] is building a WiFi Jammer with an ESP8266. It’s a small device that is able to disconnect anyone from a WiFi AP. Should you build it? No. Can you? Sure, why not.

The code for this WiFi hacking tool is taken from the creator of the ESP8266 deauth toolkit, [spacehuhn], although [Tejas] is violating the license for [spacehuhn]’s (non-Open Source) code. This fantastic piece of firmware uses management packets to send a deauthentication frame, effectively allowing anyone to disconnect any device from a WiFi router. Why would anyone want to do this? Mischief, of course, but there are also a few techniques that could allow an attacker to get a password for the WiFi.

While there are ways to protect against deauth attacks, most routers don’t have management-frame protection enabled. In any event, we’re going to see exactly how annoying deauth attacks can be this week at DEF CON. The smart money is on a small percentage of DEF CON attendees lulzing about with ESPs and the Caesar’s CTO being very, very unhappy.