B4R Question [SOLVED] ESP32 BLE IOS Send Data Problem

[tzfpg]

i follow the instruction from this link BLE Chat with ESP32,
i setup ESP32, android and ios, ESP32 and android run smooth and no problem.
ios can connect to ESP32 and Receive the data from ESP32 but when i send data to ESP32,
ESP32 can't receive the data.

i attach two small projects, please help me test and see what wrong in my code.
Thank you.

 

[tzfpg]

I already solved the problem
IOS code

manager.WriteData (gService.ToUpperCase, gCharWrite.ToUpperCase, xByte )

change to

manager.WriteDataWithResponse(gService.ToUpperCase, gCharWrite.ToUpperCase, xByte )

Thank you.

 

[Filippo]

I already solved the problem
IOS code

manager.WriteData (gService.ToUpperCase, gCharWrite.ToUpperCase, xByte )

change to

manager.WriteDataWithResponse(gService.ToUpperCase, gCharWrite.ToUpperCase, xByte )

Thank you.

Thank you, I have had exactly the same problem and it has helped perfectly.