Archive for the ‘Uno’ Category

Make sure guests never miss your house with these numbers

Monday, February 20th, 2017

If you’d like for someone to visit you, it’s quite helpful if you have the house number displayed somewhere on your premises. Rather than simply rely upon someone reading the numbers as they drove by, “Superbender” has decided to do something a bit different make his home stand out.

During the day, you can identify Superbender’s residence by the giraffe mailbox, but to help point the house out by night, he came up with the glowing Arduino Uno solution seen in the video here.

The numbers were cut on a scroll saw and RGB LED strips were added in the back to enable them to illuminate. The setup allows for one color per night, or the numbers can change every three seconds in “party mode.” (more…)

Bring some zen to your living room with this CNC end table

Friday, February 17th, 2017

Why settle for a some boring furniture, when you can have your own sand and rock display powered by an Arduino Uno and stepper motors instead?!

According to his write-up, Instructables user “MakrToolbox” gets many ideas that never leave the pages of his Moleskin notebook. Although it has to be difficult to decide which ones gets to live in reality, this Zen Garden CNC End Table seems like it was a great build choice.

The table consists of a piece of plate glass covering a “garden” of sand and stones. On top of this is a metal ball that moves around via a joystick on the side of the table, traversing the sand and making interesting shapes, like a giant Etch A Sketch. The ball is pulled around with a magnetic servo-powered gantry system underneath.

Look like something you’d love to have in your living room? Be sure to check out the project’s page for more! (more…)

Homemade MDF desktop CNC router for €200

Wednesday, February 15th, 2017

Using an Arduino Uno with a CNC shield,  Thimo Voorwinden has made his own CNC out of MDF for just over €200 ($212).

CNC routers really open up what the type of item you can make, but tend to be expensive. Voorwinden’s homemade version, however, features a work area of 200mm x 250mm x 100mm. As shown in the results video below, it’s accurate enough to cut two pieces of MDF so that they can nest securely inside of one another. Impressively, the whole assembly was created using basic tools.

Two interesting features on this build are that the workpiece is fastened down with wood screws into the Y-axis gantry, and that it employs an offset motor with a flexible shaft to transfer power to the cutting head. 12 bearing blocks and 8mm diameter steel rod are used to keep everything lined up. (more…)

A DIY Laser Scanning Microscope

Thursday, February 9th, 2017

With a DVD pick-up, an Arduino Uno, a laser, and an LDR, Instructables user “Venkes” has managed to create a DIY Laser Scanning Microscope (LSM).

A laser microscope works by shining a beam of light on a subject in an X-Y plane. The intensity of the reflected light is then detected by a photoresistor (or LDR) and recorded. When the various points of light are combined, you get an image.

Obviously you need a very small laser beam. Since a DVD laser unit has to work with the extremely small bit markings on these disks and has coils to steer the lens built-in, this seems like a logical choice to use with a custom microscope. Though it took quite a bit of effort to make, it’s capable of 1300x magnification and attaining a resolution of 65,536 pixels (256 x 256) in an area of .05 x .05mm. Results start around 3:00 in the video below. (more…)

Teleknitting: TV-based string art

Wednesday, February 8th, 2017

Have you ever wondered what television would look like if transposed onto string and wrapped around another object? If so, you’re not the only one, as shown in this teleknitting sculpture.

Although it’s hard to say where the idea for this piece came from, Moscow-based artist ::vtol::’s teleknitting installation resolves a TV signal down into one pixel by lowering its resolution in eight steps. This process is displayed as video on an Android tablet, and the results are transferred to thread via a unique dying mechanism involving “dye arms.” (more…)

Start your day with Nerf target practice!

Tuesday, February 7th, 2017

If you need motivation to actually wake up rather than sleep more, this Nerf target clock from “Normal Universe” could be a great solution!

For many of us, traditional alarm clocks have given way to smartphones, but the concept is still the same: an annoying sound, followed by either waking up, or hitting the virtual snooze button just… one… more… time. On the other hand, when this alarm goes off, you need to shoot it with a Nerf gun in order to silence it.

The alarm/target works using a piezoelectric sensor attached to the clock’s housing. When the alarm sounds, if it senses a dart hit by counting the signal pulses generated, it turns off. Ingeniously, and perhaps annoyingly, it can tell if it’s tapped by a finger, and not respond accordingly! (more…)

The Rick and Morty Alarm will make sure you’re always on time

Wednesday, February 1st, 2017

Mike, CEO of the Useless Duck Company, recently got sidetracked playing computer games. After receiving a notification on his phone, he realized that he had lost track of the time and was late to a very important meeting. Being the Maker that he is, he decided to invent a system that would prevent this from happening again. Introducing the Rick and Morty Alarm.

Now Mike just has to enter how much time he has remaining (in hours, minutes and/or seconds), and he’ll receive an alert in the form of a Screaming Sun when it’s time to leave.

The alarm consists of a Windows Forms application that sends a serial signal to an Arduino Uno, triggering a stepper motor. He also designed and 3D-printed the mechanism that raises the TV show character’s cutout. Meanwhile, the loud yelling noise is played through his computer’s speakers.

Since this worked so well for his desktop, Mike says he created a mobile app to help him wake up in morning too. Check it out below!


Watch the Toa Mata Band perform a cover of Kraftwerk

Tuesday, January 31st, 2017

By now, you are probably familiar with the Toa Mata Band–the world’s first LEGO robotic band controlled by Arduino Uno, which is hooked up to a MIDI sequencer.

Now a few years since Toa Mata Band’s debut, Italian producer Giuseppe Acito has shared the group’s latest music video: a cover of Kraftwerk’s “The Robots.” As you can see below, Acito himself performs the 1978 track’s vocals while the LEGO Bionicle figures play the tunes using a variety of gadgets, including pocket synths, drum pads, xylophone keys, and iPhones running apps. (more…)

Make your reflex punching bag interactive with Arduino

Tuesday, January 24th, 2017

A traditional reflex bag is meant to help improve your punch accuracy and timing. However, Carl Gordon decided to make his a bit more interactive and gamified using an Arduino Uno.

As you can see in the video below, his setup adds four LEDs to the device to tell the user which side of the bag to punch, and an accelerometer to let the Arduino in the base of the stand know when it is actually hit. This means that the person using it has to further work on his or her movement skills, adding a whole new dimension to the workout. (more…)

Bookcase automatically opens to reveal secret lair

Monday, January 23rd, 2017

A secret lair isn’t much fun if it’s a pain to get into, so Instructables user SPECTREcat decided to automate his hidden doors using an Arduino Uno. This drives four linear actuators via a MultiMoto shield, which both pull and turn the bookshelf in such a way that the books stay in place.

When opening, the doors first pull apart with one set of actuators, then turn with the other two to allow enough space for a person to pass through. Instead of drilling a hole through the maple plywood shelves, SPECTREcat chose to use a reed switch that’s activated on the other side by a magnet taped inside a DVD cover. (more…)

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