All Questions
Tagged with bluetooth-lowenergy esp32
191
questions
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32
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ESP32 and Arduino Capabilities [closed]
I am wondering generally how an esp32 BLE module (linked here)functions and if it is a practical module to use in my project. I understand the proximity accuracy is far from perfect but bluetooth/wifi ...
1
vote
1
answer
32
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Kotlin app failing to connect to bluetooth socket (ESP32S device)
val device: BluetoothDevice = bluetoothAdapter.getRemoteDevice(deviceAddress)
val uuid: UUID = UUID.fromString(uuidString)
try {
bluetoothSocket = device....
- 47
0
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0
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32
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i am not able to connect to ble device,where is the problem in my mainactivity.java code can somebody help me fix it?
this is mainactivity.java that is in android studio.
package com.example.bleapp;
import android.Manifest;
import android.bluetooth.BluetoothAdapter;
import android.bluetooth.BluetoothGatt;
import ...
1
vote
1
answer
40
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BLE FTMS service not discoverable in python But discovered in nrfconnect App
I am using the following code to make an ftms service. This service is easily visible on the mobile phone as shown below but the python script below doesn't show that and gives some unknown junk ...
0
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0
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18
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in BLE mesh do i only need one provisionor or each node should be a provisionor if i have a big number of nodes?
I'm working on an ESP-BLE-Mesh project and I want to know , if I have a big number of nodes do I only need one "Provisionor" and it'll provision the rest o the nodes or each node should have ...
0
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0
answers
44
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Unable to publish data to cloud from gateway
I installed iot gateway using this
https://thingsboard.io/docs/iot-gateway/install/pip-installation/
I simply want to connect esp-32, with ble firmware in it,with my iot gateway and it publish ...
- 1
2
votes
1
answer
72
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Missing Permission: Portability Android 13 app to Android11
I would like to share a problem I've been having.
I developed an Android Studio application aimed at communicating with my ESP32 via BLE. I developed and tested my application on a Samsung S22 (...
- 21
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94
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Including BLE ESP32 IDF component fails
I'm trying to include the BLE header into my ESP32 project,
added line
REQUIRES bt esp_common driver hal freertos log
to CMakeLists.txt as instructed by documentation
https://docs.espressif.com/...
- 47
0
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0
answers
90
views
Static PIN for bonding on ESP32 BLE
I'm developing a simple toy on an ESP32 board (ESP-WROOM-32). I have this working development code for receiving messages via BLE.
#include <Arduino.h>
#include <BLEDevice.h>
#include <...
- 111
0
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0
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79
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flutter_blue_plus example can't connect to esp32
I am trying to connect to esp32 using BLE to communicate with my flutter app.
I clone the flutter_blue_plus example here:
https://github.com/boskokg/flutter_blue_plus/tree/master/example
I run the ...
- 73
0
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0
answers
88
views
BluetoothGatt.writeCharacteristic returning 201 error code
i have a project in which i need to connect to a BLE server running on a esp32, but when i try to write to a characteristic , the esp does not receive it and writeCharacteristic return 201.
This is ...
1
vote
0
answers
43
views
How to make a file gateway in bluetooth to a flutter app?
I need to send from an ESP32 connected with a SD card that store a JSON file to an app developped in flutter.
I want to send this data to bluetooth. However the my file is about 500Ko (for the ...
- 11
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185
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Connect to a ESP32-S3 via BLE
i am new to programming apps and connections. I made a arduino code and a flutter code, my problem is when i entered the app and try to connect to the board it shows me a error on my phone, Could not ...
-2
votes
1
answer
58
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How to create BLE connect mobile app when the esp32 is the server? android studio [closed]
I need getting the data from esp32 and receive data in my mobile app.This is the BLE Based.I have ESP32 Is a server.I am create the mobile app in android studio.But i get the output encode format.how ...
- 113
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28
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Need the decoded data while from server esp32 send and Receiving in react native cli
"How can I ensure that the decoded data I receive on my mobile matches the data shown on the ESP32 console when connecting the ESP32 to my mobile?"
My server side code is ESP32-C++
My Client ...
- 113