How to get passkey on bluetooth terminal.

Question

Hello, 
 I have a question regarding BLE connection with passkey. 
 In my sample, I have implemented passkey and it is working fine 
 When starting connection and pairing process, a passkey can display on my bluetooth settings .So ,My question is how display passkey on play store application named (Serial bluetooth Terminal). 
 When the pairing is start and connection with bluetooth and Passkey is display on bluetooth settings and I entered the passkey that is connected , and in bluetooth terminal they connected easily without asking passkey. 
 So, the passkey is not available that is not connected with bluetooth terminal. 
 My understand is Enable the CONFIG_BT_SMP_APP_PAIRING_ACCEPT=y ,so they set in code but they not working. 
 My question is , I display the passkey in bluetooth terminal. 
 This is interface of bluetooth settings asking passkey.

Hung Bui · Accepted Answer

Hi Sachin, 
 So your questions is how to pair when you are in the " Serial bluetooth Terminal" and it doesn't matter if it the OS (operating system - Android) displays it or your app displays it ? 
 Please correct me if I'm wrong, the situation here is that in your app you can't pair and you don't see the pairing pop up appear ? To be able to trigger the phone to pair with your device you would need to read/write a characteristic that requires encryption/pairing. 
 My suggestion is to go through our Bluetooth Academy course. By going through the course you would be able to know how to set up a characteristic that requires encryption/pairing. And how in your app you can trigger the pairing. Please take a look at the course here . The security part is at chapter 5.

How to get passkey on bluetooth terminal.

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