ESP32 Forum

Posted: **Mon Sep 30, 2024 3:16 am**

I'm trying to work out the right sequence of AT commands to initialise BLE on my Sparkfun Micromod ESP32 Function Board (https://www.sparkfun.com/products/18430) that uses the ESP32-WROOM-32E. Hoping for expert guidance after trying many, many AT sequences with minimal progress success

If I enter this sequence after power up:
AT+BLEINIT=2
AT+BLEADVDATAEX="ESP32_XX1","02E5","123456789A",1

then ESP32_XX1 appears in the "Pair New Device" list on my Andoid Pixel 6, but when I select it nothing happens.

What other AT commands do I need to get them to pair / bond / communiate over BLE?

TIA

PS: Also previously I used AT+CWMODE=0 to turn WiFi off.

Posted: **Wed Oct 09, 2024 2:52 am**

You can follow this command sequence to complete pairing your device with your mobile phone, or refer to the example provided.

Code: Select all

1. AT+BLEINIT=2
    OK
    AT+BLESECPARAM?
    +BLESECPARAM:13,4,16,3,3,0
    OK
2. AT+BLEADVDATAEX="ESP32_XX1","02E5","123456789A",1
    OK
3. Click on the ESP32_XX1 device on the mobile phone to connect
    +BLECONN:0,"48:72:c5:6a:ed:5e"
    +BLESECNCREQ:0,250524
4. After confirming that the key value (+ BLESECNCREQ:0,key) popped up on the device is consistent with the key value on the phone, execute the AT+BLECONFREPLY=0,1 command
    AT+BLECONFREPLY=0,1
    OK
    +BLEAUTHCMPL:0,0
    +BLECONNPARAM:0,6,6,6,0,500
    +BLECONNPARAM:0,40,40,40,0,500

ESP32 Forum

AT commands for ESP32 BLE to my Android ?

AT commands for ESP32 BLE to my Android ?

Re: AT commands for ESP32 BLE to my Android ?