Posts with «smartwatch» label

A Look At The Basics of Building an Arduino Watch

Miniaturization has made smart watches possible, even for the DIY maker to tinker with. For those just getting to grips with basic digital electronics, it can be daunting, however. For those just starting out, [陳亮] put together a handy guide to building the core of an Arduino-based watch.

The writeup starts at the beginning, going over the basic hardware requirements for a smart watch. This involves considering size, packaging and power draw, as well as the user interface. The build settles on an Arduino Pro Micro, as it uses the ATmega32U4 which eliminates secondary USB-to-serial chips, helping cut down on power consumption. A square IPS LCD display is used to display an analog-style watch face, and time is kept by a DS3231 real-time clock. A pair of small vibration sensors are used to wake the watch when the user moves their wrist to check the time.

While it doesn’t cover the final assembly into a watch-like form factor, it’s a handy guide on what it takes to build a working watch for those who are still getting their feet wet with hardware. Once you’ve got that down, it’s time to contemplate how you’ll build the sleek exterior. Naturally, a good maker has that covered, too.

Hack a Day 01 Aug 16:00

A Smartwatch You Can Easily Build Yourself

The concept of a smartwatch was thrown around for a long time before the technology truly came to fruition. Through the pursuit of miniaturisation, modern smartwatches are sleek, compact, and remarkably capable for their size. Companies such as Apple and Samsung throw serious money into research and development, but that doesn’t mean you can’t create something of your own. [Electronoobs] has done just that, with this Arduino-based smartwatch build.

The brain of the watch is that hacker staple, the venerable ATmega328, most well known for its use in the Arduino Uno and Nano platforms. An FTDI module is used for USB communication, making programming the board a snap. Bluetooth communication is handled by another pre-built module, and a smartphone app called Notiduino handles passing notifications over to the watch.

This is a build that doesn’t do anything crazy or difficult to understand, but simply combines useful parts in a very neat and tidy way. The watch is impressively thin and compact for a DIY build, and has a host of useful functions without going overboard.

We’ve seen other DIY builds in this space, too – such as this ESP8266-based smartwatch. Video after the break.

Smartwatch prototype turns your wrist into a joystick

Although smartwatches were designed to be an easy-to-use alternative for your smartphone, interacting with their touchscreens still requires your opposite hand to be free. So what do you do when you’re carrying a bag of groceries or holding onto a bus handle?

This is the problem a Dartmouth-led team set out to solve with WristWhirl, a smartwatch prototype that uses the wrist wearing the device as a joystick to perform common touchscreen gestures with one-handed continuous input, while freeing up the other hand for other tasks.

WristWhirl was built using a two-inch TFT display and a plastic watch strap equipped with a dozen infrared proximity sensors and a piezo vibration sensor, which is connected to an Arduino Due board. Commands are then made by moving the hand as if it were operating a joystick, while a finger pinch turns the sensors on/off to indicate the start or end of a gesture.

For starters, the team implemented four sample applications with off-the-shelf games and Google Maps to illustrate potential use cases.

Four usage scenarios for WristWhirl were tested: 1) a gesture shortcuts app was created, which allowed users to access shortcuts by drawing gestures; 2) a music player app was created, which allowed users to scroll through songs through wrist-swipes and play a selected song by double tapping the thumb and index fingers; 3) a map app was implemented for which 2D maps could be panned and zoomed depending on where the watch was held in relation to one’s body; and 4) game input, which often requires continuous input was tested, for which Tetris was played using a combination of wrist swipes, wrist extension and wrist flexion.

You can read more about the project on its page here, as well as see a demonstration of it below!

 

Hacking a Nokia Phone into a New Smartwatch

Daniel Davis wanted to see if he could turn his "dumb" nokia phone and turn it into a smartwatch.

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The post Hacking a Nokia Phone into a New Smartwatch appeared first on Make: DIY Projects and Ideas for Makers.

MAKE » Arduino 03 Oct 13:30

Hack Your Pebble Steel to Control Your Raspberry Pi

If you already have a Raspberry Pi running a Node.js server, you're already on your way to controlling your home with a smartwatch.

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The post Hack Your Pebble Steel to Control Your Raspberry Pi appeared first on Make: DIY Projects and Ideas for Makers.

OK Google, Open Sesame

There are a myriad of modern ways to lock and unlock doors. Keypads, Fingerprint scanners, smart card readers, to name just a few. Quite often, adding any of these methods to an old door may require replacing the existing locking mechanism. Donning his Bollé sunglasses allowed [Dheera] to come up with a slightly novel idea to unlock doors without having to change his door latch. Using simple, off the shelf hardware, a Smartwatch, some code crunching and a Google Now app, he was able to yell “OK Google, Open Sesame” at his Android Wear smartwatch to get his apartment  door to open up.

The hardware, in his own words, is trivial. An Arduino, an HC-05 bluetooth module and a servo. The servo is attached to his door latch using simple hardware that looks sourced from the closest hardware store. The code is split in to two parts. The HC-05 listens for a trigger signal, and informs the Arduino over serial. The Arduino in turn activates the servo to open the door. The other part is the Google Now app. Do note that the code, as he clearly points out, is “barebones”. If you really want to implement this technique, it would be wise to add in authentication to prevent all and sundry from opening up your apartment door and stealing your precious funky Sunglasses. Watch a video of how he put it all together after the break. And if you’re interested, here are a few other door lock hacks we’ve featured in the past.


Filed under: Android Hacks, hardware

Pebble ties itself up in Twine: sounds so rustic, couldn't be any less (video)

Take an e-ink smartwatch that's got plenty of willing customers, throw in a WiFi-connected sensor box and well, imagine the possibilities. The founders behind Pebble and Twine hope you are, because they have announced that the pair will be connectable through the latter's web-based interface. This means you'll be able to setup text notifications to your wrist when your laundry's done, when someone's at your door and plenty more mundane real-world tasks. A brief video explains how it should all go down, but try not to get too excited -- pre-orders are sadly sold out.

Continue reading Pebble ties itself up in Twine: sounds so rustic, couldn't be any less (video)

Pebble ties itself up in Twine: sounds so rustic, couldn't be any less (video) originally appeared on Engadget on Fri, 11 May 2012 16:41:00 EST. Please see our terms for use of feeds.

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