B4R Question Bluetooth-Example to communicate with Android

newbie · May 23, 2017

I have try exactly Erels Bluetooth example

https://www.b4x.com/android/forum/threads/hc-05-classic-bluetooth.66677/#content

using a HC-06-Modul, but i get no connection.
In the Thread i can read, it must worked also with a HC-06.

Has somebody suggestions ?

Erel · May 23, 2017

Which board are you using?

newbie · May 23, 2017

Erel said:
Which board are you using?

Due

Erel · May 23, 2017

Which version of B4A are you using?

newbie · May 24, 2017

Erel said:
Which version of B4A are you using?

using Version 6.80

Erel · May 24, 2017

Go to Android Bluetooth settings and search for devices. Does it found the Arduino?

newbie · May 24, 2017

Erel said:
Go to Android Bluetooth settings and search for devices. Does it found the Arduino?

Yes, it found a HC-06

Erel · May 24, 2017

What happens when you run the B4A code? Does it find the device?

newbie · May 24, 2017

Erel said:
What happens when you run the B4A code? Does it find the device?

NO,
when i press the connect-butten i get the state trying to connect, that is all .

Erel · May 24, 2017

Are you monitoring the logs?

See the code in the starter service. You need to change the device name:

B4X:

Private Sub admin_DeviceFound (Name As String, MacAddress As String)
   Log($"Device found: ${Name}"$)
   If Name = "HC-05" Then '<-------------------------------------
     Log("Trying to connect...")
     admin.CancelDiscovery
     serial.Connect(MacAddress)
   End If
End Sub

newbie · May 24, 2017

Erel said:
Are you monitoring the logs?

See the code in the starter service. You need to change the device name:

B4X:

Private Sub admin_DeviceFound (Name As String, MacAddress As String) Log($"Device found: ${Name}"$) If Name = "HC-05" Then '<------------------------------------- Log("Trying to connect...") admin.CancelDiscovery serial.Connect(MacAddress) End If End Sub

Thanks, now it works
another question: is ther a possibility to handle more than one arduino devices with HC-06 ??

Erel · May 24, 2017

newbie said:
is ther a possibility to handle more than one arduino devices with HC-06 ??

Do you mean multiple Android devices?

newbie · May 24, 2017

Erel said:
Do you mean multiple Android devices?

no,
control multiple arduino devices with one android

Erel · May 25, 2017

Yes, it is possible. You can either connect to a different Arduino each time (based on the name) or implement the communication code in a class and create multiple instances of the class, each one with a different name.

B4R Question Bluetooth-Example to communicate with Android

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