How to Send and Receive Data more than 20 Byte using BLE

MIT App Inventor Help
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Hello, i'm new to opperate App Inventor, and i have problem with capacity of sending and receiving using BLE.

I'm trying to send and receive data using BLE , but the MTU is not working to enlarge the capacity of transmission. So, my app just send data only 20 Byte. here my code. Anyone know the solution ?

sendreceive
sendreceive1019×261 31.9 KB

1 Like
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Here I have found a solution that works with unlimited text characters/length:

blocks
blocks1576×1710 152 KB

Regards

Stef

1 Like
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Thanks for your help Stef :pray:. It's really works :+1:. I'll send all of my program in here.

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Great to hear it works! My app now sends all the characters too that I will send. It is now working as it should - great!

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Hi
I am trying to get more than 20 Bytes from BLE. But it is giving only 20 Bytes. Can Anyone help me to solve this, it would be a great help.
Also find my code attached here.

mit.lim
mit.lim1497×461 52.7 KB

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Search this board for 'MTU'

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Hello Stef can you help me
I want to receive data from arduino to my phone and show it on the app

How can I do it ???

Thank you for your time :rose::rose:

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