B4R Question Android, IOS communicate with WeMos Mini without wifi connection.

dragonguy · Apr 26, 2020

I have a project, need use android and ios (multiple mobile device) to communicate with ESP8266 in same time (only tranfer few bytes).
I choose the Bluetooth BLE but BLE didn't support multiple connections.

We didn't use wifi for connection because many older people not really know how to use their phone.

So any solution for this project?

Erel · Apr 26, 2020

You can use BLE without connecting: https://www.b4x.com/android/forum/threads/ble-hm-10-module-broadcasting-a-single-byte.65785/#content

dragonguy · Apr 26, 2020

Erel said:
You can use BLE without connecting: https://www.b4x.com/android/forum/threads/ble-hm-10-module-broadcasting-a-single-byte.65785/#content

So i can send data (just few bytes) from mobile phone to BLE device without connection?

Erel · Apr 26, 2020

Yes. You are sending the data in the advertising packet.

dragonguy · Apr 26, 2020

Erel said:
Yes. You are sending the data in the advertising packet.

Is it using BLE Peripheral to advertising packet?
i refer this https://www.b4x.com/android/forum/threads/ble-peripheral-advertising-data.91842/#post-580850

Erel · Apr 26, 2020

You need to use BLE manager in Android and iOS.

dragonguy · Apr 26, 2020

Erel said:
You need to use BLE manager in Android and iOS.

how to use android BLE manager to send advertising packet?
i refer https://www.b4x.com/android/forum/threads/ble-hm-10-module-broadcasting-a-single-byte.65785/

i can't find any info about send advertising packet.

is it using this

B4X:

manager.SetNotify

to send advertising packet?

Erel · Apr 26, 2020

I assume that you want to send data from the ESP8266.

You haven't read the tutorial carefully. The B4R code is listed there.

dragonguy · Apr 27, 2020

Erel said:
I assume that you want to send data from the ESP8266.

You haven't read the tutorial carefully. The B4R code is listed there.

Sorry, i mean mobile phone send data to esp8266.

Erel · Apr 27, 2020

You can use BlePeripheral to advertise data from an Android device, however you will need to implement a central BLE device on the ESP8266. I'm not sure whether it is possible to do it with HM 10 module.

B4R Question Android, IOS communicate with WeMos Mini without wifi connection.

dragonguy

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Erel

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