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Questions tagged [ble]

Stands for "Bluetooth Low Energy." BLE (also "Bluetooth LE") is a variation of the Bluetooth wireless standard designed for low power consumption. It was introduced by the Bluetooth Special Interest Group (Bluetooth SIG) in December 2009 as part of the Bluetooth 4.0 specification.

Stands for "Bluetooth Low Energy." BLE (also "Bluetooth LE") is a variation of the Bluetooth wireless standard designed for low power consumption. It was introduced by the Bluetooth Special Interest Group (Bluetooth SIG) in December 2009 as part of the Bluetooth 4.0 specification.

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Send/Stream BLE (Bluetooth Low Energy) data with high data rate with Arduino

My project is to transfer an image wirelessly via BLE from my Sparkfun EDGE board using the Arduino IDE to another laptop. In the following, for simplicity, I have reduced the program to transmit integers via BLE. This already works but it takes a…
Bene Gesserit
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Send sensor data through GATT with Adafruit Bluefruit

I have the BLE Module Adafruit ItsyBitsy nRF52840 Express and I want to send sensor values from a Hallsensor to my computer. I was able to have the right data checking with the Serial monitor. int adcin = A1; int adcvalue = 0; float mv_per_lsb =…
Hanuman
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BLE HM10 - Set Password - Android Pairing Problem

I have developed an application on Android, which connects to a Bluetooth HM10, launches commands, and turns LEDs on and off through my Arduino. All of this works properly. So, I want to make Bluetooth secure, so that nobody can connect to it, and…
Javier
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How can I rewrite my Bluetooth Classic Arduino code into Bluetooth Low Energy Arduino code (and have everything working the same)

My original code for BT Classic My Work in Progress BLE Code I am trying to take all I did in BT Classic and have it working exacly the same in BLE but the Rssi keeps returning 0's in the BLE code and I don't get why, even after I do connect with my…
Melody April
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Error compiling for board Arduino Nano 33 BLE

I am trying to use pulse sensor with Arduino Nano 33 BLE sense, but when I verify it, it shows Error compiling for board Arduino Nano 33 BLE. The code is from the pulse sensor website. The code works with all Arduino board, but it is not working…
Syfian Bukhari
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esp32 and the esp32-cam (agoal)

Is it considered possible to use the esp32 code on an esp32 cam board? Do they use the same hardware? I am having difficulty using this sketch https://gist.github.com/wybiral/2a96c1d1605af7efa11b690586c4b13e on my esp32 cam and I think it is because…
David Graff
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nRF52832 BLE "conn_handle" to disconnect the current connected devices

I'm working on nRF52832 Bluefruit Adafruit Module. I want the BLE connection to disconnect using a function and can call whenever required. But the issue is the disconnect function needs "conn_handle" to disconnect from the current connected…
Just doin Gods work
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How do I use BLE module and RFM69 module together?

I am trying to use an Adafruit BLE module and an RFM69 module on the same Arduino. The higher-level functions in each included library (Adafruit_BLE.h, RFM69.h) both use the SPI.h library to talk to each respective module. I think all I need to do…
RGB Engineer
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Is there any way to secure Esp32 BLE server?

I've got a project in which currently I am using Bluetooth classic (with SSP - Simple secure pairing) to communicate to my esp32 board with my android app, but Bluetooth classic serial communication is not supported on ios devices therefore I want…
Piyush
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ESP32 stack error when reading from BLE device

I'm using this code here to read data from a BLE thermometer using an ESP32. The code sometimes works fine and i can get the data: + Connect : a4:c1:38:69:0c:ff * Connected a4:c1:38:69:0c:ff + Found our service + Found our characteristic +…
teemo96
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ESP32 BLE service not visible to Node-RED

I've been trying to host a BLE-server on my ESP32 with a custom service. I'm trying to read the service data in NodeRED, but the service IDs and custom characteristics don't show up in NodeRED whenever I import the scan results of my BLE input node…
Boyfinn
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configuring characteristics to communicate data on the Arduino bluetooth low enegy module

I have the HM-10 Arduino BLE module. I am also building an app to send and read characteristics on the BLE module. On the Arduino BLE side of things though, how do I set up which characteristic listens for which kind of data? So, if the BLE module…
Ahmed Anwer
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Set Value for a characteristic fails using BLE ESP32

I'm working on a project that uses a Raspberry pi to trigger a microcontroller to read data from an accelerometer for some amount time then have that data available for the RPi to read it over BLE. I Have been able to set up my ESP32 Thing plus as a…
A.Choules
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How to get the value of a measurement transmitted by a BLE device?

I would like to use a BLE temperature sensor (such as the Inkbird IBS-TH1 Mini BLE Sensor), however, I want to be able to display the temperature measurements in my own website. To do this I am planning to have an ESP32, which would intercept the…
Nina
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BLE library for Beetle Bluno BLE with AVR architecture (Atmega328)

When I try #include in my Arduino program, I get the error: WARNING: library ArduinoBLE claims to run on samd, megaavr, mbed, apollo3, mbed_nano, mbed_portenta architecture(s) and may be incompatible with your current board which runs…
human
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