Build an Omnidirectional Self-Driving Robot with a Raspberry Pi and Mecanum Wheels

Berlin-based mechanical engineer Patrick Hallek has created an excellent omnidirectional self-driving robot known as Forki, which is designed around the Raspberry Pi, sensors, and a set of Mecanum wheels that can turn on a dime.

Under the hood, Forki is outfitted with four 60mm Mecanum wheels, four 12V DC metal gear reducer motors (130 RPM), a pair of L298N Dual H Bridge DC stepper motor driver modules, a 72.V battery, and an LM2596 DC-DC converter. Driving the robot is a Raspberry Pi 3 B/B+, four HC-SR04 ultrasonic sensors, and four Decawave DWM1001 ultra-wideband sensors, all packed within a 3D-printed shell.

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This Holographic Watch Actually Fits on a Wrist—Sort of

Science fiction movies, television shows, and books have had us drooling over holographic displays for decades now. The idea of having a three-dimensional display being projected in real space is an alluring one. Unfortunately, nobody has quite figured how to achieve that in a practical way. The closest we’ve come are 3D TVs and volumetric displays. But YouTuber JLaservideo has devised a method for projecting a holographic display from a watch—and it even mostly fits on a wrist!

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Intel vs AMD: Which CPU is better for cooking pancakes?

Who makes the best CPU for gaming? Generally speaking, Intel wins out in pure framerates, though many other factors come into play. With AMD’s latest Ryzen 9 3900X and other 3rd Gen CPUs, the battle is far closer, and both companies have their strong suits. 

Both companies also make HEDT (High-End Desktop) CPUs for ‘enthusiasts,’ but with the higher core counts now available in Ryzen CPUs, HEDT is difficult to recommend as a gaming solution. But what about as a pancake cooking solution? Our friends at Tom’s Hardware recently set out to determine which CPU was best for cooking pancakes. As a result, Tom’s might also be looking to buy a new CPU when the Black Friday deals roll around.

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SmartCan Rolls Trash to the Curb for You

As I write this, it’s Monday, and my mind immediately jumps to whether or not I need to take the trash out — which actually doesn’t happen next until tomorrow. It’s a small thing, but yet one more task that I need to think about over and over, meaning brainpower and a small amount of physical work that could be better used for fun projects… or writing another Hackster article. If only there was a robot that could do this for me?

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Creative ways to cool your Raspberry Pi

The Raspberry Pi is a small beast of a machine, and particularly with the latest version, the Raspberry Pi 4, it can run quite hot – therefore it could do with some cooling.

Today we look at the creative solutions that people have employed to cool their Raspberry Pis, and a word of warning, I’m totally ignoring practicality here!

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Old laptop Screens on a Raspberry PI… Yes indeed.

I have been asked many times if it is possible to use an old laptop screen (LCD Panel salvaged from an old laptop), watch the video and see how its done!

Part 2, what is LVDS… https://youtu.be/Gph9hYLPMFk

For the longest time my answer has been NO, or not with a lot of work It is now time to change that answer, in this video you will see how you can use many different LCD panels from OLD Laptops with the raspberry PI with the purchase and connection of a simple board from Banggood.

This Wearable Could Make the Matrix-Style Skill Downloads Possible

The Matrix was a hit, and now a favorite among hackers, for a lot of reasons. One of the most intriguing plot devices in the movie was the characters’ ability to download new skills. For instance, Neo is able to instantaneously learn advanced martial arts techniques — at least within the digital world. While that is purely science fiction, a new type of wearable sleeve developed by Dr. Pedro Lopes at the University of Chicago’s Human Computer Integration Lab could make a simplified version of that possible.

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