Electrical Engineering Stack Exchange
Electrical Engineering Stack Exchange

Questions tagged [android]

Linux-based Operating System running a Dalvik Virtual Machine produced by Google, typically seen in portable devices such as cellphones, e-book readers, tablets, etc. Not to be confused with Androids in the robotics sense.

Android is an based running a Dalvik Virtual Machine (Similar to , and indeed based partially on) produced by Google, typically seen in portable devices such as cellphones, e-book readers, tablets, etc.

Android based devices are popularly used in hobbyist embedded projects, as they are fully functional computers often with multiple easy to interface wireless connections, easy to program for, cheap, and widely popular.

It competes with with Apple's line of iOS Devices and , which are also used in the same type of hobbyist embedded projects as Android devices are.

The term Android is a synonym for Robot with a Human(oid) appearance. This can sometimes be generically referred to as a Droid (though this is a Lucas Arts (Of Star Wars fame) registered trademark). Droid is also a line of Android cell phones produced by Motorola.

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How do volume control headphones work?

A recent question over on Android Enthusiasts got me to wondering how volume control headphones work. I don't mean volume control which works by attenuating the incoming signal, but the kind of volume control that signals to the device to increase…
Mark Booth
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What protocol does a headphone jack use?

I have 2 questions. One is simple, the other may be not. 1. What's the official name for the standard headphone jack? It's universal for all brands of phones, so it must have a name (when you want to go shopping for components). 2. Is it using…
user3710
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Is there any kit for android development?

Is there any kit or board on which I can test out customized android os?
lalli
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Arduino or PIC microcontroller?

I was thinking of creating a surveillance mobile robot. And I am having a problem of choosing a PIC or a Arduino microcontroller. The surveillance mobile robot is controlled via wireless fidelity (Wi-Fi). If I choose PIC, is there a need for an…
Catherine grace Balauro
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How to make a fingerprint scanner (UART, Serial) for a headphone jack on Android?

Square up reads magnetic stripe cards through headphone jack on both Android and iOS. I want to capture fingerprints on an Android phone. Can I develop a hardware to capture fingerprints in the same way using a fingerprint scanner (UART/Serial)? I…
Hitesh
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How to connect one Android mobile audio output to the microphone of another Android mobile?

This question is to help the "hard of hearing community" so that they can READ the phone/mobile call because they can not hear it. Android has some really good (and free, too) apps which can convert voice to text with high accuracy and in many…
Dheeraj Chauhan
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Arduino ADK + Android LED blink example compiling errors

I'm trying to make a project using the Arduino ADK board and a Sony Ericsson Xperia Play running Android 2.3.4. For starters all I want to do is blink a LED from my Android device, using the nice tutorial found here. I managed to compile the…
androidu
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Accessories for Android devices with USB host

The Android Accessory SDK relies on the accessory having USB host. However, my understanding is that newer versions of Android (3.1, 2.4?) have USB host support in the kernel. And I know many existing Android devices have hardware support for host…
Chinasaur
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Arduino to Android serial communication issue

I've been trying to use this serial for android library now, but I can't make it work. I'm trying to run this little program in android: // MouseLib.ino #include "tracker.h" PositionTracker tracker(6,5); void setup() { …
Caio Oliveira
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Arduino + Android : Communicate with a JY-MCU Module

I am trying to turn ON and OFF a LED with my Android Device through a Bluetooth module (JY-MCU V1.05), I can connect to the module with the key "1234", but when I send a command to the module through the "Bluetooth Terminal" app, there is no…
g0ldsteinsbr0
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MCU + Linux + Video?

How can I create an device running Linux (Android OS) with video output? PS. I don't want to use an existing very sophisticated dev board, I want to create one. Thanks!
Andrew
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How can I send video from my Arduino camera module video to my Android screen?

I'm trying to connect a camera module to my Arduino Mega, connect my Mega to my Android phone (throught BlueTooth or other), and send the live view of the camera to the mobile phone. I saw a video online that showed this for still images -- an image…
mabdrabo
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Can Type-C device be configured as "Sourcing Device" without Power Delivery protocol?

I'm designing a device, that will be connected to various Android devices with either microUSB B or USB C receptables (in order to make it futureproof) and will be exposing some irrevelant ICs to the phone via USB 2.0 OTG. The most crucial thing…
transfer1992
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How can I use my smartphone as an oscilloscope?

I found this circuit that can make my laptop work as oscilloscope: Can this circuit work with my android phone while am using this app?
ala khemiri
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Communication between Microchip PIC24F & Android device

I am working on Microchip with Android Application via Android USB framework. Currently, I have written a while loop to generate the random number continually. It is possible to retrieve the random value that the Microchip generate through writing…
Ezylryb
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