Archive for the ‘Mega’ Category

Build your own electronic drum kit using an Arduino Mega

Wednesday, October 5th, 2016

If you’d like to save some money on a drum kit, this one is made using an Arduino Mega, MDF, and even a left sandal!

Drum kits can be quite expensive, Maker Victor Herrero has created his own nine-piece set with readily-accessible components. Arduino code was modified from another project by Evan Kale, and is available for download. Although electronics is discussed, the Instructables article focuses on how to physically make the set, mostly out of MDF.

The results are something that looks quite different than a “normal” drum set, with hexagonal drum pads and a flip-flop for hi-hat control! You can find the project on Instructables here, and the code that you’ll need on its GitHub page.

Building a sweet plastic MIDI controller

Monday, September 26th, 2016

With parts from a bathroom organizer and arcade buttons, Alex “GlacialGeyser” made his own MIDI machine.

MIDI controllers can be great instruments to supplement your musical skills. As seen in the video below, Alex’s project is no exception, and he’s able to produce some really beautiful music using it and a keyboard. Physically, he created this out of plastic parts from a bathroom organizer and a cutting board that he cut using mostly handheld power tools. An Arduino Mega serves as the brains of the operation along with two 75mm 10k faders, two 10k knobs, pitch bend and modulation wheels, and a couple of LEDs.

The build is finished off with a splattered paint effect and nearly a whole can of clear coat. Programming the device was a challenge, but it seems Alex gained some useful knowledge for next time! (more…)

An Arduino VU meter for classrooms

Friday, September 23rd, 2016

With his beautifully-colored classroom “noise-o-meter,” Mr. Jones knows when things are getting out of hand.

When you were in school (or if you are in school) the teacher likely told the class to be quiet, perhaps repeating him or herself over an over during the day. The teacher, however, likely never really defined what is good and bad. Mr. Jones has finally solved this issue by creating a classroom “noise-o-meter” using an Arduino, an electret microphone, and a programmable LED strip. In order (apparently) too keep the class in line, noise is simply marked as green for “expected,” amber for “louder,” and “red” for too loud which corresponds nicely with more “traditional” VU meters. (more…)

An animatronic talking takeout container

Thursday, September 22nd, 2016

An Arduino plus fake food and audio capabilities equals something truly unique!

Randy “randofo” Sarafan had an idea when he was in college: a takeout container that talked. To the world’s great benefit, now that he knows about electronics, he finally made this dream a reality. Using an Arduino Mega with a Seed Studio Music Shield, he was able to coordinate the movements of a servo and thus the lid of a box with the audio coming out of a speaker. After attaching googly, or “googily” eyes, and modifying a fake serving of spaghetti, he had something that should be quite entertaining! (more…)

The MR-808 is a robotic drum “synthesizer”

Monday, September 19th, 2016

The MR-808 robotic drum machine looks like a gigantic Roland synthesizer, but plays with real instruments!

The Roland TR-808 was released in 1981 and was meant to replace a human drummer for practice purposes, but was instead used to produce music itself, helping to birth the electronic, techno, and hip hop genres. Moritz Simon Geist and the Sonic Robots collective, however, decided to turn this on its head, with a machine made to look like a gigantic ‘808, but containing real instruments.

With a variety of hardware, including an Arduino Uno and Mega, an audience can program the MR-808 using a tablet and get down to the grooves they create themselves!

(more…)

Connected question mark hopes to spark 1 million conversations

Wednesday, September 7th, 2016

Suicide prevention charity R U OK? has partnered with digital innovation agency Fusion to create a fully-connected device in the form of a question mark with hopes of sparking a million conversations throughout Australia. Similar to the Olympic Torch, Quentin will be passed from person to person as it makes its way from town to town starting on Thursday, September 8th.

But unlike the Olympic Torch, the route is not planned. Instead, the journey is determined by the challenge it issues to each new keeper motivating them to reconnect face-to-face with people in their lives. (more…)

Your Arduino can tell you which countries you AREN’T in

Monday, August 29th, 2016

A few months ago, Connor Nishijima demonstrated a neat project highlighting the Arduino Uno’s “built-in motion sensor.” Now, he’s using the Arduino Mega’s “built-in anti-GPS” to guess which countries you’re NOT in.  How, you ask? By reading the frequency of the alternating current (AC) cycles in his house using an open analog pin.

You’ll need an Arduino Mega to fit the array of Strings below, Uno doesn’t cut it even with use of PROGMEM. The Sketch is also written to use the Seeed Studio TFT Shield, but if you remove all “TFT” lines from the sketch you can just see the output in the Serial Monitor. An antenna (just a breadboard jumper) on A7 might be necessary.

Since various locations have varying power systems, Nishijima was able to program the board with a list of all those that cycle the AC at 60Hz and 50Hz AC. By knowing which one you have, the Arduino can then reckon which countries you’re not in and display its findings on the TFT shield.

(more…)

Talk to the (animatronic) hand!

Monday, August 22nd, 2016

Maker Shuang Peng has created a 13 DOF animatronic hand using an Arduino Mega, seven servo motors, and six air cylinders, along with a Leap Motion sensor for control.

As briefly described on his Instructables page:

There are various ways to control the hand. I’ve tried the Leap Motion sensor and the data glove, which catches my motion via Processing. Then the Processing communicate with the Mega via serial. Now, I’m trying to use EMOTIV Insight EEG sensor to control it.

HardWino is an open-source, Arduino-based cocktail maker

Monday, August 15th, 2016

While it may not be the first (nor will it be the last) robotic bartender we’ve seen, Pierre Charlier has come up with a clever and affordable way to mix the perfect drink at home. Say hello to HardWino.

The automatic cocktail maker consists of a six-slot, rotating beverage holder that is controlled by an Arduino Mega and uses a TFT screen to accept orders. The project also includes stepper motors and L298 driver boards, which are supported by 3D-printed parts. Power is supplied through a 12V DC jack. (more…)

Build an electric go-kart on a budget with Arduino

Monday, August 15th, 2016

Growing up, there was nothing cooler than hopping in a go-kart for a quick spin around the neighborhood. But you know what would make it even cooler? If you built your own set of electric wheels. That’s exactly what two engineering students, Adrian Georgescu and Masoud Johnson, have done using commonly available components along with a secondhand frame they picked up for $125 and a few Arduino. (more…)

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