Archive for the ‘Pro Mini’ Category

Control a tracked robot with your mind (or joystick)

Monday, January 16th, 2017

Whether you choose to control this vehicle with your mind or a joystick, the camera mounted on it will give you a new view of the world.

Maker “Imetomi” was inspired to create a tracked robot after he was able to salvage a camera off of a cheap drone. This became the basis of his FPV setup, which he fitted onto a little tracked vehicle. Although this would have been enough for most people, in addition to building a joystick-based controller, he also made it work with a brainwave headset. (more…)

A DIY hexagonal Bluetooth speaker with sound-reactive LEDs

Friday, December 23rd, 2016

Imgur user Peter Clough recently created his own colorful “Magic Box” Bluetooth speaker assembly with a NeoPixel visual display.

If you need a speaker (or rather a speaker with an enclosure) the easiest way is usually to just buy one. On the other hand, if you want something really awesome and unique, why not build it yourself? Clough did just that using an Arduino Pro Mini and a Bluetooth receiver along with a strip of programmable LEDs that react to the emitted sounds–made possible by an electret microphone amp. (more…)

Create your own Red Dwarf Talkie Toaster replica

Monday, November 21st, 2016

In the Red Dwarf TV series, Talkie Toaster is a monomaniacal talking toaster that tries to steer every conversation to the subject of toast. Now, YouTuber “slider2732″ has gone ahead and built a chatty appliance of his own.

To accomplish this, the Maker embedded a PIR sensor into the toaster’s lever that communicates with an Arduino Pro Mini whenever someone is nearby. The Arduino then reads sound files loaded onto an SD card and plays them through a 3W amplifier out to a speaker underneath. The replica is also complete with a circular panel on front, made out of “laptop screen material” with a sour cream tub’s lid, and equipped with a couple LEDs. (more…)

Control a lamp with an NES Zapper and Arduino

Friday, November 11th, 2016

If you grew up in ’80s or early ’90s and owned a Nintendo system, chances are you’ve played Duck Hunt. In the classic light gun shooter video game, players would aim their NES Zappers at duck targets as they appeared on the TV screen. So what do you do when you still own the once-popular accessory? If you’re Warner Skoch, you turn it into a controller for your lamp and small devices.

The setup consists of a couple Arduino Pro Minis. Skoch embedded one board in the Zapper with an IR emitter and another in a box with an IR receiver, which also has an outlet for him to plug in his lamp or other gadget.

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Robotic fish swims under Arduino control

Thursday, September 29th, 2016

This robotic fish is made from bent PVC pipe and moves its tail for locomotion.

If you’re going to build an underwater vehicle, propeller control is the conventional solution. Eric Dirgahayu, however, created his underwater creature in the form of a fish, complete with a tail that powers it through the water, and pectoral fins that could, in theory, steer it in the correct direction. There is also a ballast tank to adjust its buoyancy. Interestingly, control of this “fish” is accomplished via a TV remote, so the surrounding water would need to be relatively clear. (more…)

PIXIE is an Arduino-based NeoPixel watch

Tuesday, September 20th, 2016

Not looking for a smartwatch? PIXIE is an Arduino-based NeoPixel wearable device that not only keeps time, but will also keep your geek cred intact.

You won’t find any numbers on this watch; instead, PIXIE uses LEDs to reveal the time–hours in blue, minutes in red, and seconds in green. Beyond that,  a capacitive touch switch on its strap will activate a flashlight mode.

In terms of electronics, PIXIE is equipped with an Arduino Pro Mini, an Adafruit NeoPixel Ring, a real-time clock module, a lithium-ion battery, and a few other components–all housed inside a simple cardboard box with a piece of transparent plexiglass. (more…)

Analyze your world with the WiSci portable spectrometer

Friday, September 16th, 2016

Spectroscopy is an incredible tool for chemical analysis–and now you can make your own Bluetooth-enabled device with an Arduino Pro Mini.

If you took advanced chemistry classes, you may have had the opportunity to work with a spectrometer. It probably seemed like a magical gadget, identifying the chemicals in a substance through its light characteristics unlike the experimental methods you previously had to use.

Using off-the-shelf components–including an Arduino, a Bluetooth module, an LED, optical filters, and a LiPo battery–housed inside a 3D-printed case, the WiSci aims to take this tool out of the lab, and into the “real world.” By following the instructions on its project page, you can build one for just under $250. (more…)

Upgrade your USB keyboard to Bluetooth with this Arduino device

Thursday, September 8th, 2016

If you have an old keyboard lying around and wish it were wireless, Maker DastardlyLabs has a solution.

The “HID Relay” is a small adapter that uses an Arduino Pro Mini, a Bluetooth module, a USB host shield, and a few other components to upgrade any USB keyboard to Bluetooth. DastardlyLabs has made three videos to explain the entire “Bluetooth-ification” process–which can be found below.

So far, the method has worked with all of the keyboards that DastardlyLabs has tested it on, as well as most mice (except for one “gamingish” USB mouse). The Arduino source code and build notes are available on GitHub. The HID Relay was inspired by a recent Arduino hack by Evan Kale.  (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…)

Turn your old cellphone into a smartwatch

Wednesday, July 20th, 2016

Do you have an old cellphone lying around somewhere? Don’t know what to do with it? Time to blow off that dust and convert the ‘dumb’ device into a smartwatch! This is exactly what Tinkernut has done. The DIY wearable not only tells time, but connects wirelessly to a smartphone over Bluetooth and notifies its user of incoming calls and messages via light and vibration.

The build itself uses an LCD screen and vibrating motor from a Nokia 1100 along with an Arduino Pro Mini to drive the system. A 3.7V 1100mAh rechargeable battery powers the gadget. All the electronics are soldered together to a perfboard, and housed inside a 3D-printed case. (more…)

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