Electrical Engineering Stack Exchange
Electrical Engineering Stack Exchange

Questions tagged [wearable]

Wearable describes a computing device which can be worn.

The computing devices are often embedded into cloth. The focus is on the task-supporting aspects of a computer, not on its interaction.

Further reading:

related tag:

39 questions
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Is it possible to use Kinetic energy to power small devices?

I've tried looking around for as much information as I could gather to build really small wearable electronics that could power themselves by generating energy with movement. I know that the technology already exists in watches. There are watches…
user11519
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5 answers

Simplest circuit that flashes and fades color LEDs synchronized to music?

This is about designing a circuit that can control multiple LEDs synchronized to music or sound, as simply as possible. I am looking for some conceptual ideas to start out with, not a complete circuit design or anything. My question is inspired by…
Aashima A
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Cheapest, simplest way to implement a Bluetooth keyboard/mouse?

Thinking of building a device for sending text and probably mouse movement into a computer, but I want it to be wireless and compatible with many computers/PDAs/phones without a specialized dongle, etc. So I thought "Hey, Bluetooth is a standard…
endolith
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What kind of laser should I get to cut fabric?

I'm brainstorming a new project with my wife and was wondering what type of laser I could use to cut multiple layers of fabric? I'm totally new when it comes to lasers and integrated electronics. The laser would be mounted on something that moves…
Donny V
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How should I design a power bus for a wearable project?

I am thinking about building a(nother) wearable LED jacket project. The basis will be 60 LED/m WS2812B strips, around 2048 pixels, for a peak possible current draw of just under 125A. In reality I would never run full-white patterns, so count on a…
Robert Atkins
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How can I measure which finger is moving in a glove?

I am considering building a pair of gloves that make a chorded keyboard. In order to measure whether or not a finger should be triggered, I intend to leverage the fact that as you curl your fingers inside of a glove, the top stretches to accommodate…
Zee
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blend or flex sensors

i have to build a kind of dress that can unserstand the blend angles of neck, shoulder, elbow, wrist. i thought the best is to use arduino lillypad and some flex sensors. i've saw this: http://sensorwiki.org/doku.php/sensors/flexion but i'm still…
nkint
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Can I extrapolate battery power by a brief observation?

Part of the research we are conducting requires us to estimate how detrimental our proposed algorithm to the battery life of the wearables. To do so, I opted to simply charge the wearable to 100% and have it operate for an hour while sampling the…
cngkaygusuz
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Is BLE 5 backwards compatible to BLE 4.x ? Can a phone with bluetooth 4.x talk with a device with BLE5

I would like to develop a wearable with a BLE5 module. I wonder if this module would work with any BLE4 enabled mobile phone? I am aware with that it may not use the advantages of BLE5, but I don't want to develop something that will not be used for…
Gultekin
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Accellerometer and arduino lillypad and wearable projects

I have just bought an Arduino Lillypad and an MMA8452 accellerometer board and i have few questions: 1) Power supply on lillypad I know that working with accellerometers is a little bit dangerous: if you plug them to 5v instead of 3.3v you can burn…
nkint
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Circuit for overdrive on vibrotactile motors

I have a school project where I have to create a haptic feedback wearable with vibrotactile motors. I have gotten the prototype ready which includes motors connected directly to the Raspberry Pi GPIO pins. It all works fine (I am aware of the risks…
r6turboextreme
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Wearable electronics in which kind of electrically-insulated mold?

I have a wearable electronics that I need to keep in my finger. I don't have the resources to put a prototype into something small like custom ASIC so I would like to find a way to put it to shape it needs (this may result into short-circuit so and…
hhh
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How to improve capactive sensor when there is a floating local ground

I am using a microchip MTCH101 IC as a proximity detector (based on a self-capacitance electrode) and i have some trouble in detection because of a floating local ground (i guess). The sensor is power supplied by a battery and is a wearable…
NinjaGreg
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Display power consumption ratio of smartphones and smart watches

What is the most power-consuming part of your smartphone or smartwatch display? Or is it cpu? Naturally I think that it will change depending on the situation, but general use is assumed.
たくまいわき
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Using microphone for heart beat (BPM) calculation in wearable device?

I am not a expert here. But for a software project of mine I was scratching my head for a wearable device which can monitor heart rate continuously (battery efficient). I have one wearable device Sony MIO fuse which measure heart rate using PPG…
Savaratkar
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