All Questions
Tagged with bluetooth-gatt javascript
23
questions
0
votes
0
answers
20
views
Arduino BLE and website communication issues; SerialCharacteristic not changing?
For a group project I was trying to use the Arduino BLE to connect to my computer, which would be connected to a website that would then return an appropriate value to the Arduino BLE. The issue ...
2
votes
0
answers
141
views
Web Bluetooth API cannot find my device (Google Pixel 7 phone)
I am testing web bluetooth API from chrome.
I understood that web bluetooth API support for chrome and BLE devices.
My device bluetooth version is 5.2 ,android version is 13 and I am using window 10. ...
0
votes
0
answers
38
views
WebBluetooth GATT, filter by custom service UUID
I'm unable to filter by Service UUID using the bluetooth.requestDevice Web Bluetooth Gatt API
My device named MyDevice1 with the service UUID: "607cdd4f-32aa-47da-8209-18f12012e3a4" which ...
0
votes
0
answers
91
views
Is there any way to access a user's device via the JS Bluetooth API when the device is already connected to their computer?
I have some JS/React code that allows a user to give my AI access to a micro:bit robot via Bluetooth, when the user clicks a Connect button:
const connectClicked = async () => {
try {
// ...
- 31
2
votes
0
answers
185
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How can I use React to display real-time data from an ESP32 device over Bluetooth?
I'm trying to build a web application using React that can communicate with an ESP32 device over Bluetooth and display real-time data. I've already set up the ESP32 to act as a Bluetooth Low Energy (...
- 23
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311
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Update device's firmware via BLE from web browser
I have to develop a webpage using React that can scan for Bluetooth devices nearby, connect to one and update its firmware using a file selected by the user.
I managed to scan and connect to devices ...
- 23
1
vote
1
answer
355
views
Web bluetooth DOMException: GATT Error: Not supported
I am trying to receive data from my ESP32 via the Web Bluetooth API.
The device can connect to the webpage but after starting to listen to notifications I get the following error:
DOMException: GATT ...
- 23
0
votes
1
answer
637
views
Write value as (command) to a BLE characteristic via Javascript
I am working on a Project, and I am new to BLE, I have got problem with writing value to BLE characteristic (run command on BLE device).
The characteristic take these values:
0x04 0x01 – Lock mode is ...
- 1
0
votes
1
answer
53
views
I am trying to grab this info and put it into a payload and send it to my API
Question/ Issues
I have this code to get Bluetooth devices and cannot get it to not do a pop-up. Is it possible to do something that has not gone into a pop-up? As you can see from the code it is ...
0
votes
1
answer
853
views
create advertise data packet with web Bluetooth API with JavaScript
how can I create an advertiser with web Bluetooth API? now I am only able to scan nearby Bluetooth devices.
but how can I make my laptop a peripheral device that advertises data to another Bluetooth ...
0
votes
0
answers
539
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BLE Read sensor data through raspberry pi
I am trying to build an iot platform that takes the sensor data via smartwatch and pass to Raspberry pi (BLE Gateway) and sends to webserver. I used https://github.com/noble/noble JS, able to connect ...
- 1
0
votes
1
answer
82
views
Trovan LID-573ISO Pocket Reader via Javascript's Web Bluetooth
I hope someone can help me with my email.
I'm trying to develop a website that interacts with a Trovan LID-573ISO Pocket Reader via Web Bluetooth. I can connect to the Pocket Reader via Bluetooth, but ...
- 1
0
votes
1
answer
1k
views
when connected and receive data from BLE device I get DOM exception: GATT server operation not permitted
I am using web bluetooth api to connect with BLE 4.0 tractor trailer tester module using JavaScript. When connect I get in my console
Requesting any Bluetooth Device...
Connecting to GATT Server...
...
4
votes
1
answer
3k
views
Web Bluetooth - Auto Connect to paired device
Is there a way to auto connect to a paired device with the web Bluetooth ?
So i can get rid of the annoying pop up device selector from google..
- 693
2
votes
2
answers
2k
views
Reading data from BLE device with web bluetooth?
I'm new to javascript so i might have some unconventional way of programming.
That said, I'm working on a project where I need to read and write data to a custom BLE device.
I'm using the gatt server ...
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