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 […]
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 […]
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 […]
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 […]
Inspired by the one seen in Honey, I Shrunk the Kids, Blake Hodgson has built a remote-controlled lawn mower of his own dubbed ”Lawn Da Vinci.” The robotic machine’s frame is made from angle iron and steel, while its wheels and motors were taken from a mobility scooter. Power is supplied by a pair of 12V car batteries wired in series, and it’s driven across the […]
Taking great pictures means making them more vibrant enhancing saturation and contrast. Ynformatic has published some tips to help you do that by creating a DIY device to control a polarizer using an Arduino Pro Mini, an iPhone, and a screen from an auto-darkening welder’s mask. A phototransistor located facing the iPhone’s flashlight LED is connected to both an external […]
Fiona O’Leary, a design student at the Royal College of Art, has developed a handheld device that enables her to capture any font and color she sees in the real world, and magically imports them into Adobe’s InDesign. The gadget, called Spector, was born out of her own frustrations with designing for print on-screen and never actually knowing how the fonts and […]
While cleaning out his closet, Instructables user “Acmecorporation” discovered an old rotary telephone. Instead of tossing it away, the Maker decided to give the old-school device some modern-day technology using an Arduino Pro Mini and a SIM900 GSM shield. Acmecorporation is able to use the aptly named TOWA Phone (There Once Was A Telephone) to make and receive calls, […]
Recently-graduated high school students Sam Baumgarten and Graham Hughes have developed a pretty rad robotic gripper with the help of Arduino and 3D printing. The gripper itself consists of three large hobby servos joined to the fingers with a linkage. The underactuated fingers have a force sensor under each contact point, while the control glove is equipped with tiny vibrating motors at the fingertips. […]
Grand Slam tournaments, like Wimbledon, always prompt a discussion around the sometimes-disconcerting noises tennis players make on the court. Although some may argue that grunting helps apply the maximal force when striking the ball, others believe the shrieking is completely unnecessary and downright annoying. There are even top names in the game whose screams routinely top 100 decibels–only slightly less than […]
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