Hello,
I am new to this forum,
I am looking for interfacing a microcontroller to Android mobile. A microcontroller will have a push button upon pressing it will trigger "Hey Google" on mobile phone, irrespective if mobile is locked or not.
For above purpose can you please guide which kit I can use. What software I will be required.
I am looking for this solution for elderly people who gets difficulty in making call on touch screen.
Though different mobiles available in market they are not up to the mark I already wasted money for it. So now thinking simplest solution to have a PTT switch.
Also please suggest if any readily available solution if any in market. By the way I stay in India. So available solution in Indian Market if provided will be appreciated.
Interesting project. My 97 year old mother would benefit from such a device.
Wish I had knowledge for You, but no.
The operating system doesn't have much to do with the actual phone, so I think you are wasting your time, and your wheel has already been re-invented. There are more and more flipphones that have real keyboards coming onto the market and the price is dropping too. Get her a Nokia 2660. It is just about all the phone anybody really needs, although it still has games on it - and a volume control on the side.
No I dont think so, yet in market phones are made too complex for an elderly or visual impaired people to handle. The phone with keys comes with a such slickness it is difficult to get handled. I already have a group of elderly people some of them are visually impaired, I give them 10-15 such phone and training but it all fails. I see in car we use kind of VR or ASR to make call or navigate phone feature, not sure why google has kept it limited to Cars only.
so i think we use complex technology for complex things to handle, but yet there are lot of improvements possible to let this technology to make things simple for these elderly and visually impaired people keeping in shoes of them rather keeping things fancy.
look at the ESP32 it has builtin WiFi, Bluetooth Classic 2.0 and BLE
probably use Bluetooth classic communicating with an app of the Android
pair the Android with the ESP32 and run the app
when the button is pressed the ESP32 communicates with the Android app which carries out the required tasks
you could implement the app using MIT app inventor
not sure what happens if the phone is locked though
Thanks a lot horace.
May I know where I will get information to communicate with App? I assume it is kind of rpc which are getting communicated over Bt, but I am not aware of it, there is one protocol published by google as below but i think it is over USB Android Open Accessory Protocol 2.0 | Android Open Source Project
And Below link I searched for implementing from BT perspetive.
Bluetooth overview | Android Developers
But yet I am very new to these things any stepwise in detail tutorial or website for this will be appreciated.
Hi rajanj and welcome to the forum.
This is not a difficult project. MIT App Inventor is popular for developing Android apps. But there is a major hurdle. Android does not allow a message to be sent without someone pressing the send key.
if you do a web search for esp32 mit app inventor you will get plenty of links
You might like to explore if it is feasible to get an app to activate Hello Google before buying hardware in the hope it can be done. Try asking the question on the MIT App Inventor forum:
The Arduino side is trivial. Any board can do the job. I use Nano and an HC-05 bluetooth module to communicate with my phone. Building the app is different to programming the Arduino as it is block based. Plenty of guides available. But I would first try to establish if the Android OS will give permission to your app to access Hello Google.
You are to be commended for making this effort to assist people. I hope you succeed.
Solutions for elderly users struggling with touchscreen calls: larger icons/text, a simplified interface, speed dial/favorites, voice commands, physical button accessories, and training/support. For more information, you can visit our website android app development in Lahore
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