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.
1
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2answers
47 views
Counting number of bluetooth 4.0 (BLE) devices near me?
Does bluetooth allow you to discover devices around you that are simply on but aren't in any discovery state? I am not trying to pair with all these devices but merely count the number around me and ...
0
votes
0answers
31 views
How does the Android OS detects existing hardware? [on hold]
I am interested in developing some sort of hardware module which will be controlled by an Android OS. The hardware is going to have ram, memory, cameras, bluetooths, and wifi.
Is by deploying android ...
0
votes
1answer
53 views
Headset with microphone effect on smartphone battery life
I am building a device that will connect to an Android smartphone 3.5mm jack and was wondering if my device would drain the battery. When checking the current on the microphone line on headset ...
1
vote
2answers
55 views
Connect Android device to arduino uno via usb
I have an Arduino Uno and need to connect to an Android device.
1) Do I need a USB host shield?
2) Would I be better off in buying a board that has USB host functionality built-in?
3) Is the ...
0
votes
0answers
14 views
Android Open Accessory and Bluetooth
Apparently the Android Open Accessory framework can be made to work with standard Arduino boards like the UNO
...
1
vote
2answers
40 views
GSM vs Bluetooth shield for android to arduino communication [closed]
I need to communicate between a hacked android device and an Arduino primarily sending signals to turn on lights. No voice data. I was under the impression that Bluetooth is the best solution but ...
0
votes
2answers
39 views
Bluetooth4.0 vs WiFi in a Android to arduino connection
I've read this article
http://gtms1313.wordpress.com/2013/04/01/bluetooth4-0-vs-wi-fi-direct/
which is a good summary of latest Wifi vs Bluetooth technologies, but the actual hardware being used ...
2
votes
2answers
57 views
Android to arduino- best board option for wireless [closed]
I'm a novice arduino hacker. I need to connect a hacked Android to an arduino wirelessly but unclear as to which option is best. I've read about the Mega ADK and it is my understanding that a regular ...
0
votes
0answers
37 views
HC 05 bluetooth module on Arduino is not connecting with Android phone
My HC 05 † is not connecting with Android (2.3 Galaxy Ace).
I read this article (HC-05 Bluetooth module not recognized by mobile phone) which says that we need to configure it using AT commands. When ...
0
votes
0answers
24 views
Integrated touchscreen empowered by android cellphone
Not sure if this is the correct stack exchange platform for my question but I'm pretty sure you guys can help me out with my idea.
I was thinking about building a wall mounted touchscreen powered by ...
3
votes
2answers
225 views
How to amplify a 3.5mm headphone analog signal?
I have made a circuit like described at this site
but the sound I receive through the mic sensor is not very high. Can I add some Opamp circuits to increase the analog data input in android phone?? ...
0
votes
1answer
112 views
What will I need to send Video over bluetooth or WiFi to Android phone [closed]
I don't know much about electorics I'm programmer and know some stuff about digital electronics that I learn at school, but I have this idea to send video data from a camera (I found on Alibaba CCD ...
1
vote
1answer
47 views
phone battery usage at various audio volumes [closed]
I was wondering if anyone knows how the power output of my phone varies with the level I set it at. Lets say I plug my phone up to a stereo to play music and I set my phone volume to 5/10 and then ...
0
votes
0answers
147 views
Read ModBus RTU Register in Android
I have one Arduino Data Logger device which is attach one blue-tooth device. Arduino Data logger device, constantly generate data. That device is based on specially Mod Bus means if i pairing that ...
5
votes
2answers
679 views
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 ...
4
votes
1answer
136 views
Android Home Automation
I'm trying to do home automation using android app and arduino teleduino.
Basically, I'll be doing lights and power plugs.
I still cant post images so here' the link to the diagram I saw and will be ...
1
vote
1answer
66 views
Can the BlueSmirf Gold bluetooth module communicate logical HIGH/LOW instead of serial?
I am wondering if the BlueSmirf Gold can set HIGH/LOW commands instead of serial communication?
I am writing a small andorid app to control something via the BlueSmirf. I know how to establish serial ...
3
votes
1answer
338 views
Can the NFC antenna of smart phone read signals from (active) RFID tags/transmitters
Can the NFC antenna of mobile phone such as the Galaxy S4 or iPhone in addition to their NFC functionality, also be used to read signals from (active) RFID tags/transmitters e.g. from 20ft away not ...
4
votes
2answers
341 views
Is there any way to differentiate the sound of blowing air from normal sound through phone microphone?
I have been working on an Android app that takes input from microphone when user blows into it. I am using FFT based sound analysis and converting the values in frequency by using a zero crossing ...
0
votes
1answer
124 views
Getting a Bluetooth chip to communicate with Android Smartphone
I wish to develop an Android application for my phone (nexus 4) which needs to get the device to communicate with a Bluetooth chip/receiver and back at regular intervals. When I say 'chip' I mean any ...
1
vote
1answer
99 views
Reversing headset speaker to microphone
It's been a while since I've touched electronics, so bear with me :)
Since I can not attach DTMF tones to an on-going phone call ...
1
vote
0answers
74 views
Can I use android phone for arm development?
Android phones are mostly run over ARM processors. In Pakistan purchasing an ARM development board is very difficult and almost not available. Importing from other country cost it a lot.
On the other ...
1
vote
1answer
121 views
Can I cut off the 5v output of the IOIO to the Android?
I'm working on a project using Sparkfun's IOIO for Android (https://www.sparkfun.com/products/10748) where power consumption is a concern. The IOIO board provides the phone with 500 mA charging if I'm ...
1
vote
0answers
162 views
Most compatible Bluetooth modem to use with Arduino Uno R3?
I'm looking for a Bluetooth modem that can be connected with the Arduino Uno R3, and communicate with Android mobile device. I found one modem (the BlueSMiRF RP-SMA) but it was to expensive, and it ...
-3
votes
1answer
98 views
How to measure the EMF in the air and log it into a csv file? [closed]
I would like to build a device measures the EMF in air,it should be sensitive for a wide band (broadband) EMF, And I want it to be able to log into a csv file the time and amplitude of EMF ...
0
votes
1answer
396 views
Can the Signal from a Coaxial Cable be Transmitted via Bluetooth?
If so, can the coaxial signal be maintained without degradation (think inserting a transmitter in the middle of a coaxial connection to relay that signal wirelessly without actually interrupting the ...
1
vote
1answer
185 views
USB interface to bluetooth interface for digital scale
I've got a situation where I need to communicate wirelessly between a bluetooth-enabled Android device and a digital scale which can be accessed digitally via USB.
While normally I would be happy to ...
1
vote
0answers
242 views
Raspberry Pi vs Arduino ADK (with phone tethering)
I was doing some research for my capstone project next year. Basically it is an autonomous rover, designed to scout out outdoor areas and send back video/pictures to a website.
So far, our initial ...
-3
votes
1answer
128 views
Best way to Interface with PC/MAC/iDevices/Smartphones [closed]
What do you think is the best way to communicate a hardware with PC, MACs, iDevices and Smartphones (with Android, Windows Mobile, etc.) ?
We need to make a voice chat (like VOIP) and also exchange ...
0
votes
1answer
133 views
powering android phone from 3 AA battery directly (not USB!) [closed]
I have Sony Arc phone which was spoiled by me (story OutTopic) as it won't charge lion battery anymore. the phone itself works perfectly. I don't want to do the regular 3AA to USB charger way. Trying ...
-3
votes
1answer
298 views
Bluetooth modules differences Android [closed]
i am not really well informed about the different types of Bluetooth modules, so i wanted to ask u what is the difference between these :
...
0
votes
2answers
107 views
Developing an Android device
I would like to create a product that has an embedded Android device for the main reason the price. Because it will be embedded into another system it doesn't need all the peripherals; no camera, gps ...
1
vote
0answers
75 views
Generic USB interface for Android
I would like to move all my indicator display on my motorcycle(Speedometer, Tachometer, Voltmeter, fuel meter, turn lights, temperature, high beam, low beam) to my android tablet and so my tablet can ...
-3
votes
1answer
157 views
Android phone USB charging has a mind of its own [closed]
I have a Sony Xperia phone. I have 2 USB-to-USB-micro cables, a power charge-only one and a data/charge one.
I connect the phone to my PC to charge the phone. When the PC is on, both cables charge ...
2
votes
1answer
2k views
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 ...
2
votes
3answers
4k views
Simplest Way to Connect an Arduino to Android (Wirelessly)?
I want to control a simple Light on an Arduino from my Android. The Arduino I have down pat, no problem. However without using Bluetooth on my Android, whats the simplest way to actually connect it ...
0
votes
1answer
359 views
Increase the analog sample rate of the IOIO?
On the analogue input wiki page for the Sparkfun IOIO (android development board), it says that the analogue pins are sampled at 1kHz. This is too low for a number of potentially exciting uses, like ...
0
votes
1answer
205 views
Connecting an environmental sensor to multiple smart phones [closed]
Newbie heading for the deep end here, I am working on a project where a number of students will use smart phones to connect via bluetooth to sensors placed around a woodland. It has occurred to me ...
0
votes
0answers
229 views
where can I buy standalone smartphone camera modules?
Question 1: I'm planning on hacking together a little proof-of-concept device using a pared-down Google Nexus 7 tablet as the base. I'd like to connect a higher resolution camera where the current ...
3
votes
2answers
275 views
Use USB as an on-off switch
I'm looking for a way to build a zero(ish) cost intervalometer for my Canon SLR using only stuff that I have or can get very cheaply (my budget is about $4). I've already managed to "build" a wired ...
0
votes
1answer
621 views
Android to I2C Control
I have an I2C device that I would like to interface with Android. It seems that the easiest way would be to use a microcontroller compatible with Accessory Development Kit. But these kits and their ...
1
vote
0answers
285 views
Arduino adk: how to play music [closed]
I am fairly new to electronics, and as a school project, I want to make my own Android dock to use with my Galaxy Nexus running Android 4.1.1.
I am looking at how to output music using an Arduino ...
0
votes
2answers
495 views
V-USB with ATtiny2313 to communicate with Android
How would one interface a ATtiny2313 with usb to communicate with a android device? I know it involves using V-USB, but how does the circuitry work? Am I supposed to connect certain pins on the ...
1
vote
0answers
2k views
HC-06 Bluetooth module, what bluetooth mode I have to use?
I am trying to connect an HC-06 Bluetooth module to my Android device to send data from my smartphone to my microcontroller conected to the HC-06.
I am writing the Android application and I have a ...
1
vote
1answer
171 views
API's for sound triangulation with usable data in android phone development [closed]
I am working on a project with an open ended solution that currently involves Using 3 microphones spread out in a room that can triangulate the loudest individual sound (over a predefined threshold) ...
1
vote
1answer
944 views
Is it possible to intercept the audio data of voice call in Android? [closed]
To my konwledge, the (voice call) audio data from micphone will be sent to PCM module for resampling, then to modem for coding before sending to air.I am here for asking in Android is it possible to ...
0
votes
2answers
731 views
Bluetooth module to have microcontroller communicate with Android phone?
Found couple of fairly inexpensive Bluetooth modules based on CSR chipset that do Bluetooth 2.1 + EDR, and connect to uC over TTL, however the cheaper variety supports only "slave mode", which the ...
-1
votes
2answers
1k views
How to make a touch screen device with android OS?
I am planning to make a device which has a touch screen LCD. I have searched for solutions and i think if this device has android OS could be use for many applications. This device will be used for ...
2
votes
1answer
274 views
Bluetooth SPP (Serial Port Protocol) and Cobra Tag
I have been trying to build something similar to the Cobra Tag (Check out the video). I have written a prototype android app which uses SPP to connect to a bluetooth module and exchange commands, ...
5
votes
1answer
3k views
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 ...
