MIT App Inventor and Arduino Part 4 - send more than 1 data item from Arduino to Android and display

RE: MIT App Inventor and Arduino Part 4 - send more than 1 data item from Arduino to Android and display

neilk — Fri, 27 Jan 2017 11:11:20 GMT

Now that I have looked at your I can see that you are sending a lot of data to the serial monitor and also accepting keyboard commands.

To transfer ALL of that data via Bluetooth and display on an Android device using AppInventor could become a significant, but far from impossible, project.

A very simple approach would be to connect your HC-05 to the Rx & Tx pins of the Arduino , remembering to use a potential divider on the Arduino Tx to HC-05 Rx line, to drop the voltage seen by the HC-05 input to about 3V.

It would then be very straight forward to read the Bluetooth input on AppInventor and display each data set received from the Arduino by setting the text value of a label. Of course, you should still see the same data displayed in the Serial Monitor.

See other comments in this blog and in my other blogs on Arduino/AppInventor data transfer via Bluetooth and make sure that you are confident that you have Bluetooth working by reproducing one of the simple examples I have used..

However, if you want to interpret the data within AppInventor and do something with it, the task becomes quite a bit more complicated.

Can I suggest that you "have a go" and see how far you can get. If you get completely stuck, then it would be a good idea to post what you have done as a NEW question in the Arduino group.

Hope this helps

Neil

RE: MIT App Inventor and Arduino Part 4 - send more than 1 data item from Arduino to Android and display

jhek2017 — Thu, 26 Jan 2017 17:34:45 GMT

https://mail.google.com/mail/u/0/#inbox/159dbcc3a87c2800[View:/resized-image/__size/620x304/__key/commentfiles/f7d226abd59f475c9d224a79e3f0ec07-aeabdc49-c4b6-4b3c-b6d8-939b35430cc8/2308.contentimage_5F00_178234.png:620:304]

This is the schematic diagram we use and the link for our arduino code . Thanks sir I hope you would help

RE: MIT App Inventor and Arduino Part 4 - send more than 1 data item from Arduino to Android and display

jhek2017 — Thu, 26 Jan 2017 06:25:43 GMT

hi it is posssible to receive data using a color sensor in mit app thanks i badly neede for a response

RE: MIT App Inventor and Arduino Part 4 - send more than 1 data item from Arduino to Android and display

e14 Contributor — Sat, 13 Feb 2016 12:01:26 GMT

if i am getting ldr data from a0,a1,a2,a3,a4,a5.. what would be the right thing to do add a1 pin 2000? then add a2 pin 4000? ty..

RE: MIT App Inventor and Arduino Part 4 - send more than 1 data item from Arduino to Android and display

e14 Contributor — Mon, 08 Feb 2016 21:31:06 GMT

Hello, I have been trying for almost 2 weeks to transmit data from arduino with 2 analog sensors but still couldn't receive any data to my android phone. My Bluetooth module blinks and I am a bit confused because I placed order for hc-06 but when I powered it up my phone displays it as hc-05, is there any problem regarding that! Please let me know!! I'm very eager to make my first app Controlled hardware.

RE: MIT App Inventor and Arduino Part 4 - send more than 1 data item from Arduino to Android and display

e14 Contributor — Sat, 02 Jan 2016 08:22:26 GMT

I am working on arduino uno. I am trying to capture pulse and transfer the pulse value from arduino to android application via bluetooth. But w

hen i am sending the pulse value i am receiving garbage value on my application. Please can anyone help me get out of this problem.

RE: MIT App Inventor and Arduino Part 4 - send more than 1 data item from Arduino to Android and display

alacosta — Fri, 24 Jul 2015 16:21:55 GMT

Hi Neil, Hope you can help / advise me. I have an Arduino program reading 5 different temperature settings as a csv file this is set as csv to be monitored in a Windows PC program.

set as :-

// prints values to serial port / PC Graphics Program

          Serial.print (water);
          Serial.print (",");
          Serial.print (WavMinn);
          Serial.print (",");
          Serial.print (panel);
          Serial.print (",");
          Serial.print (PavMinn);
          Serial.print (",");
          Serial.print (air);
          Serial.println ("");

I am new to App inventor , have mastered Bluetooth connection but now at a total loss of how to display this data on my phone (Android ) the more I try to find a way the more I get confused !!!

what I would like is to be displayed as :-

Solar Temperature Monitor

Label Data

Any advice on the App Inventor reading a csv data, setup or sample program would be greatly appreciated

John

RE: MIT App Inventor and Arduino Part 4 - send more than 1 data item from Arduino to Android and display

e14 Contributor — Sat, 23 May 2015 06:25:53 GMT

i want to ask...i want to read oxygen level and also heart beat..what is the block suggestion should i make?

i have this block...but i wonder is the (get global name) will show one of the reading either oxygen level or heart beat...[View:/resized-image/__size/620x247/__key/commentfiles/f7d226abd59f475c9d224a79e3f0ec07-aeabdc49-c4b6-4b3c-b6d8-939b35430cc8/8468.contentimage_5F00_178231.jpg:620:247]

RE: MIT App Inventor and Arduino Part 4 - send more than 1 data item from Arduino to Android and display

e14 Contributor — Fri, 06 Feb 2015 15:41:41 GMT

thank you very much i solved my problem [View:/resized-image/__size/16x16/__key/commentfiles/f7d226abd59f475c9d224a79e3f0ec07-aeabdc49-c4b6-4b3c-b6d8-939b35430cc8/contentimage_5F00_1.png:16:16] thanks