Vroomba Gets Upgrades And A Spoiler

[Electrosync] is the creator and driver of the world’s fastest robotic vaccum cleaner, the Vroomba. It’s a heavily modified roomba capable of speeds of around 60 kph, well beyond the pedaling speed of most bicyclists. Despite being rejected by Guinness for a world record, we’re fairly confident that no other vacuum cleaners have gotten up to these speeds since the Vroomba first hit the streets. That’s not going to stop [electrosync] from trying to top his own record, though, and he’s brought the Vroomba some much needed upgrades.

The first, and perhaps most important, upgrades are to some of the structural components and wheels. The robot is much heavier than comparable RC vehicles and is under much greater strain than typical parts are meant to endure, so he’s 3D printed some parts of the chassis and some new wheels using a nylon-carbon fiber filament for improved strength. The wheels get a custom polyurethane coating similar to last time.

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Roomba Gets Alexa Support With An ESP8266 Stowaway

The modern home is filled with plenty of “smart” devices, but unfortunately, they don’t always speak the same language. The coffee maker and the TV might both be able to talk to your phone through their respective apps, but that doesn’t necessarily mean the two appliances can work together to better coordinate your morning routine. Which is a shame, since if more of these devices could communicate with each other, we’d be a lot closer to living that Jetsons life we were promised.

Luckily, as hardware hackers we can help get our devices better acquainted with one another. A recent post by [MyHomeThings] shows how the ESP8266 can bridge the gap between a Roomba and Amazon’s Alexa assistant. This not only allows you to cheaply and easily add voice control to the robotic vacuum, but makes it compatible with the Amazon’s popular home automation framework. This makes it possible to chain devices together into complex conditional routines, such as turning off the lights and activating the vacuum at a certain time each night.

The hack depends on the so-called Roomba Open Interface, a seven pin Mini-DIN connector that can be accessed by partially disassembling the bot. This connector provides power from the Roomba’s onboard batteries as well as a two-way serial communications bus to the controller.

By connecting a MP1584EN DC-DC converter and ESP8266 to this connector, it’s possible to send commands directly to the hardware. Add a little glue code to combine this capability with a library that emulates a Belkin Wemo device, and now Alexa is able to stop and start the robot at will.

We’ve seen this sort of trick used a few times before to add backdoor Alexa support to various gadgets, and it’s always interesting to see what kind of unusual hardware folks are looking to make an integral part of their smart home.

IRobot Makes Learning Robot More Affordable

When you think of iRobot, you probably think of floor cleaning or military robots. But they also have a set of robots aimed at education. The Root robot — an acquisition the company made in 2019 — originally targeted classrooms and cost about $200 each. A new version costs about $130 and is a better fit for home users.

The original version  — Root rt1 — is still available, but the rt0 version has several missing features to hit the desired price. What’s missing? Apparently, the rt1 can stick to a whiteboard using magnets, but that feature is missing on the rt0. There are also no “cliff” sensors or color scanner.

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Bringing MATLAB To A Vacuum Near You

The essence of hacking is modifying something to do a different function. Many of us learned as kids, though, that turning the family TV into an oscilloscope often got you into trouble.

These days, TVs are flat and don’t have high voltage inside, but there’s always the family robot, often known as a Roomba. Besides providing feline transportation, these little pancake-shaped robots also clean floors.

If you don’t want to evict the cat and still get a robust domestic robot platform for experimentation, about $200 will get you a Roomba made to be hacked — the iRobot Create 2. [Gstatum] has a tutorial for using a Raspberry Pi and MATLAB to get one quickly running and even doing basic object recognition using the Pi’s camera.

The code even interfaces with Twitter. The impressive part is the code fits on about a page. This isn’t, however, completely autonomous. It uses a connected phone’s sensor’s so that the phone’s orientation controls the robot’s motion, but the robot does use sensors to prevent driving into walls or falling off a cliff. It also can detect being picked up and uses the Pi’s camera to detect a green flag.

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Roomba Vs Poop: Teaching Robots To Detect Pet Mess

Imagine this: you come home after a day at work. As you open the door, your nose is the first alert that something is very, very wrong. Instead of the usual house smell, your nose is assaulted with the distinctive aroma that means your dog had an accident. The smell is stronger though — as if Fido brought over a few friends and they all had a party. Flipping the lights on, the true horror is revealed to you. This was a team effort, but only one dog was involved.

At some point after the dog’s deed, Roomba, your robot vacuum, took off on its scheduled daily run around the house. The plucky little robot performed its assigned duties until it found the mess. The cleaning robot then became an agent of destruction, smearing a foul smelling mess throughout the space it was assigned to clean. Technology sometimes has unintended consequences. This time, your technology has turned against you.

This scene isn’t a work of fiction. For a select few families, it has become an all too odoriferous reality just begging for a clever fix.

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Robotic Vacuums Get Torn-down For Design Showdown.

Fictiv runs a 3D printing shop. They have a nice interface and an easy to understand pricing scheme. As community service, or just for fun, they decided to tear-down two robot vacuums and critique their construction while taking really nice pictures.

The first to go is the iRobot 650 model. For anyone who’s ever taken apart an iRobot product, you’ll be happy to know that it’s the same thousand-screws-and-bits-of-plastic ordeal that it always was. However, rather than continue their plague of the worst wire routing imaginable, they’ve switched to a hybrid of awfulness and a clever card edge system to connect the bits and pieces.

The other bot is the Neato XV-11. It has way fewer screws and plastic parts, and they even tear down the laser rangefinder module that’s captured many a hacker’s attention. The wire routing inside the Neato is very well done and nicely terminated in hard-to-confuse JST connectors. Every key failure point on the Neato, aside from the rangefinder, can be replaced without disassembling the whole robot. Interestingly, the wheels on both appear to be nearly identical.

In the end they rate the Neato a better robot, but the iRobot better engineered. Though this prize was given mostly for the cleverness of the card edge connectors.

Hacklet 87 – Roomba Projects

First introduced in 2002, The iRobot Roomba was conceived as a robotic vacuum cleaner. Just about every hacker, maker, and engineer out there immediately wanted one. The Roomba proved to be more than just a vacuum though; it was the perfect base for any household robotics project. Before long Roombas were being hacked to do way more than sweep your floor. iRobot recognized this, and added a hacker friendly serial port to later model Roombas. They even released a vacuumless version called the iRobot Create. Thousands of projects have literally ridden on the wheels of the Roomba. This week’s Hacklet is all about Roomba projects.

roomba1We start with [fuzzie360] and Poor Man’s Raspberry Pi Turtlebot. [Fuzzie360] has their Roomba running Robot Operating System (ROS). ROS actually is running on an on-board Raspberry Pi. While Willow Garage may be out of business, ROS lives on as an open source project run by Unbounded Robotics. Installing it can be a chore though. While [Fuzzie360] hasn’t given a full tutorial, they have offered to give advice if and when you get stuck.

A Raspberry Pi would be overkill for the simple suite of sensors built into the Roomba, but it’s perfect for [fuzzie3680’s] modified setup with a Microsoft Kinect. [Fuzzie360’s] goal is to have a robot that can vacuum the hostile territory of a university apartment.

 

roomba2Next up is [Sircut] who upgraded his Roomba’s power cell. Early Roombas were designed to use Nickle Metal Hydride (NiMH) batteries. The individual cells are built into a proprietary iRobot battery pack. NiMH can’t hold a candle to Lithium Ion batteries though. Lithium Ion cells are very common these days in devices like cell phones and laptops. In fact, [Sircut] used 18650 sized laptop cells for this upgrade. [Sircut] also added the essential LiIon battery protection circuit to make sure those cells stay happy. A voltmeter provides a visual reference that the batteries aren’t becoming overcharged. An upgrade like this will likely double the Roomba’s runtime, but it does come at a cost. Roomba’s original charge dock can no longer be used as the on-board charge circuitry isn’t designed for LiIon battery charge algorithms.

roomba3Next is [Marcel Varallo] with Robot Wars for the Commuter. How does the IT department blow off steam? Fighting robots of course! Unfortunately, [Marcel’s] coworkers aren’t all programming mavens. Hopefully some programming is in the cards for them down the road. For now though, [Marcel] has created a robot fighting league using nearly stock Roomba robots. Each bot gets a set of 3 balloons and 3 pins. A balloon represents a life. Once your lives are all popped, you’re dead! [Marcel] also created an upgrade system where winning ‘bots can move on to stronger weapons like flamethrowers. During his research, [Marcel] found out that the brushes in his Roomba are powerful enough to sweep dust and debris up without the vacuum enabled. So he’s disabled the vacuums for longer cleaning battle times.

roomba4Finally we have [Fredrik Markström] and ESP8266 controlled Roomba. [Fredrick] is hacking an ESP8266 module to be the main computer of this little Robot. Of course, a ‘8266 means it will be carrying WiFi, so this robot needs to have a web interface. [Fredrik’s] first problem was powering the ESP8266. The Roomba’s battery runs around 15 volts, which is definitely not friendly to the 3.3 volt ESP8266. A switching DC to DC converter was in order, and [Fredrik] found the perfect candidate on eBay. The ‘8266 will control the Roomba through the serial interface included on all the current models. [Fredrik] has big plans for this ‘bot, including navigation and advanced vacuuming algorithms.

If you want to see more Roomba projects, check out our new Roomba project list! If I missed your project, don’t be shy, just drop me a message on Hackaday.io. That’s it for this week’s Hacklet. As always, see you next week. Same hack time, same hack channel, bringing you the best of Hackaday.io!