Bluetooth – Page 79 – WindowsTechs.com

Hackaday Prize Entry: One-Handed, No-Look Keying

Posted on July 12, 2017 by John Baichtal

Chorded keysets can be found all over. For instance, Braille writers and court stenographers both use them. These chorded keyboards create each letter by pressing a combination of keys rather just one, making for much smaller keyboards [Christine] got the idea to create wearable rig that uses an accelerometer and vibe motor attached to each finger to serve as a one-handed, no-look, silent keyer. Forget small keyboards, this project does away with it altogether, relying on the accelerometers to keep track of your fingers.

[Christine]’s prototype consists of a Bluno BLE controller, a GSM module, and a few accelerometers and …read more

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Hands-On: New AND!XOR Unofficial DEF CON Badge

Posted on July 12, 2017 by Mike Szczys

In just two weeks, we’ll be flooding into the casinos of Las Vegas for DEF CON. By far our favorite part is the unofficial hardware badges which make their way to the con each year. The AND!XOR team has put together an incredible offering this year with what I’m calling the “Bender on a Bender” badge. They sent us two of them, so let’s jump right in and see what this badge is all about.

Precious

As with last year, the aesthetic is simply spectacular. I know this is a funny thing to say, but the PCB itself just looks …read more

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Robot: Do My Bidding!

Posted on July 11, 2017 by Al Williams

Remote control robots are nothing new. Using Bluetooth isn’t all that unusual, either. What [SayantanM4] did was make a Bluetooth robot that accepts voice commands via his phone. The robot itself isn’t very remarkable. An Arduino and an HC05 module make up most of the electronics. A standard motor driver runs the two wheels.

The Arduino doesn’t usually do much voice processing, and the trick is–of course–in the phone application. BT Voice Control for Arduino is a free download that simply sends strings to a host computer via Bluetooth. If you say “Hello” into your phone, the robot receives *Hello# …read more

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Can I spoof a Bluetooth device signal? [on hold]

Posted on July 6, 2017 by instantaphex

I’m a security noob and know next to nothing about Bluetooth.

I was given a “smart” door lock as a gift that works over Bluetooth. The software to lock/unlock and add and remove pins is IOS only and I’m an Android user. … Continue reading Can I spoof a Bluetooth device signal? [on hold]→

A Beverage Cooler That Comes To You!

Posted on July 3, 2017 by James Hobson

Feel like taking a long walk, but can’t be bothered with carrying your drinks? Have no fear, this “Follow Me” Cooler Bot is here!

Really just a mobile platform with a cooler on top, the robot connects to smartphone via Bluetooth, following it using GPS. Making the platform involves a little woodworking skill, and an aluminium hub with a 3D-printed hub adapter connects the motors to a pair 6″ rubber wheels with a swivel caster mounted at the rear. A pocket in the platform’s base houses the electronics.

The Arduino Uno — via an L298n motor driver — controls two …read more

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iPad, not Flux Capacitor, Brings DeLorean Back to the Future

Posted on June 25, 2017 by Dan Maloney

Add a flux capacitor and a Mr. Fusion to a DeLorean and it becomes a time machine. But without those, a DeLorean is just a car. A 35-year old car at that, and thus lacking even the most basic modern amenities. No GPS, no Bluetooth — not even remote locks for the gullwing doors!

To fix that, [TheKingofDub] decided to deck his DeLorean out with an iPad dash computer that upgrades the cockpit experience, and we have to say we’re impressed by the results. Luckily, the space occupied by the original stereo and dash vents in the center console is …read more

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Internet-Enabled Drill Demonstrates IoT Security Done Right

Posted on June 20, 2017 by Tom Spring

Researchers find flaws in an internet-connected drill, but say minimal, hard-to-find bugs indicate there is hope for IoT security. Continue reading Internet-Enabled Drill Demonstrates IoT Security Done Right→

Holman is Your Phone’s Best Friend

Posted on June 18, 2017 by Al Williams

Let’s get something straight right up front: this isn’t much of an electronics project. But it is a very artistic 3D printing project that contains some electronics. [Sjowett] used an off-the-shelf class D amplifier with BlueTooth input to create a simple BlueTooth speaker with a subwoofer. As you can see from the pictures, woofer is exactly the term to use, too.

The clever mechanical design uses 3D printing and common metric PVC pipe. That’s a great technique and resulted in a very clean and professional-looking build. If you don’t have easy access to metric pipe, you could print the pipes, …read more

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Biped Bob Walks and Dances

Posted on June 14, 2017 by Al Williams

If you have a few servo motors, an Arduino, and a Bluetooth module, you could make Biped Bob as a weekend project. [B. Aswinth Raj] used a 3D printer, but he also points out that you could have the parts printed by a service or just cut them out of cardboard. They aren’t that complex.

Each of Bob’s legs has two servo motors: one for the hip and one for the ankle. Of course, the real work is in the software, and the post breaks it down piece-by-piece. In addition to the Arduino code, there’s an Android app written using …read more

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A Magic Light Bulb For All Your Bright Ideas

Posted on June 13, 2017 by James Hobson

[Uri Shaked]’s lamentation over the breaking of his smart bulb was brief as it was inspiring — now he had a perfectly valid excuse to hack it into a magic light bulb.

The first step was disassembling the bulb and converting it to run on a tiny, 130mAh battery. Inside the bulb’s base, the power supply board, Bluetooth and radio circuits, as well as the LED board didn’t leave much room, but he was able to fit in 3.3V and 12V step-up voltage regulators for the LiPo battery.

[Shaked]’s self-imposed bonus round was to also wedge a charging circuit — …read more

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