# BLE / BlueTooth **URL:** https://community.thunkable.com/c/thunkable/ble-bluetooth/77.md?page=1 [Latest](https://community.thunkable.com/latest.md) · [Categories](https://community.thunkable.com/categories.md) · [Tags](https://community.thunkable.com/tags.md) **Page:** 2 --- ## [BLE Characteristic UUID issue for BatteryLevel](https://community.thunkable.com/t/ble-characteristic-uuid-issue-for-batterylevel/3157751)
**Author:** [@didier.coymanohatdl](https://community.thunkable.com/u/didier.coymanohatdl)\ **Replies:** 3\ **Last updated:** [August 26, 2024, 2:07pm UTC](https://community.thunkable.com/t/ble-characteristic-uuid-issue-for-batterylevel/3157751 "2024-08-26T14:07:34Z")
I am using an ESP32 to publish some telemetry. Using the GATT specification, I try to connect to the characteristic UUID 2A19 published by the ESP32 without success. I get a “Can’t read characteristic provided.” I can … --- ## [Error when trying to send data to Thunkable app through Bluetooth](https://community.thunkable.com/t/error-when-trying-to-send-data-to-thunkable-app-through-bluetooth/3113308)
**Author:** [@chrismdisalvoohxko](https://community.thunkable.com/u/chrismdisalvoohxko)\ **Replies:** 3\ **Last updated:** [July 26, 2024, 6:03pm UTC](https://community.thunkable.com/t/error-when-trying-to-send-data-to-thunkable-app-through-bluetooth/3113308 "2024-07-26T18:03:28Z")
Hello, I am trying to send multiple data values to my Thunkable app through Bluetooth. I am using an Arduino MKR WIFI 1010 to send data. I have successfully connected to my app via Bluetooth but whenever I try to send d… --- ## [Bluetooth connection problem](https://community.thunkable.com/t/bluetooth-connection-problem/3073487)
**Author:** [@polenka](https://community.thunkable.com/u/polenka)\ **Replies:** 17\ **Last updated:** [July 23, 2024, 6:01am UTC](https://community.thunkable.com/t/bluetooth-connection-problem/3073487 "2024-07-23T06:01:49Z")
Hello everyone After having carried out several searches and not finding what I was looking for, I am taking the liberty of posting this request. I want to create a link between an application and a device connected vi… --- ## [Disconnection Issues](https://community.thunkable.com/t/disconnection-issues/3097548)
**Author:** [@diogo\_goto](https://community.thunkable.com/u/diogo_goto)\ **Replies:** 5\ **Last updated:** [July 17, 2024, 6:52pm UTC](https://community.thunkable.com/t/disconnection-issues/3097548 "2024-07-17T18:52:26Z")
I am having some issue with disconnecting from an ESP-32, I click on the disconnect button, which uses the disconnect function from the BLE module, but for some reason my ESP does not detect the disconnection. Also, this… --- ## [Convert byte array to signed int](https://community.thunkable.com/t/convert-byte-array-to-signed-int/3048114)
**Author:** [@pingknapp4n](https://community.thunkable.com/u/pingknapp4n)\ **Replies:** 1\ **Last updated:** [June 14, 2024, 3:25pm UTC](https://community.thunkable.com/t/convert-byte-array-to-signed-int/3048114 "2024-06-14T15:25:44Z")
I am using Thunkable BLE to interface with an Arduino Nano 33 IoT chip and control a motor. Everything related to sending and receiving information using the BLE blocks is working like a charm. As part of my design, I’… --- ## [Help Needed: Encountering Error While Testing Bluetooth Project on Android Mobile](https://community.thunkable.com/t/help-needed-encountering-error-while-testing-bluetooth-project-on-android-mobile/3017999)
**Author:** [@anas.h9q](https://community.thunkable.com/u/anas.h9q)\ **Replies:** 1\ **Last updated:** [May 24, 2024, 9:50pm UTC](https://community.thunkable.com/t/help-needed-encountering-error-while-testing-bluetooth-project-on-android-mobile/3017999 "2024-05-24T21:50:23Z")
Hello everyone, I am facing a problem as I have completed my first project using Bluetooth and wanted to test it live on my Android mobile. However, I am encountering the following error: and i beleve that there is n… --- ## [Data receive error](https://community.thunkable.com/t/data-receive-error/3008219)
**Author:** [@rkatndgnscjsndd](https://community.thunkable.com/u/rkatndgnscjsndd)\ **Replies:** 3\ **Last updated:** [May 18, 2024, 1:04am UTC](https://community.thunkable.com/t/data-receive-error/3008219 "2024-05-18T01:04:56Z")
I successfully connected with BLE(Hm-10) but doesn’t receive all data. normal(63,71,26) current status(,26) what should I do? here is my app link https://x.thunkable.com/copy/841c559b4041001d4ae98d513065471e here is… --- ## [Can't read the characteristic provided error](https://community.thunkable.com/t/cant-read-the-characteristic-provided-error/3008160)
**Author:** [@rkatndgnscjsndd](https://community.thunkable.com/u/rkatndgnscjsndd)\ **Replies:** 2\ **Last updated:** [May 17, 2024, 7:50pm UTC](https://community.thunkable.com/t/cant-read-the-characteristic-provided-error/3008160 "2024-05-17T19:50:17Z")
I made the Bluetooth(hm-10) app that transmitt temperature, illuminance, humidity data to smartphone with thunkable. but thunkable can’t read the data that bluetooth(hm-10) provided I tested bluetooth with ble termina… --- ## [BLE SCAN for ID and NAME or UUID?](https://community.thunkable.com/t/ble-scan-for-id-and-name-or-uuid/3009086)
**Author:** [@tim\_mk](https://community.thunkable.com/u/tim_mk)\ **Replies:** 1\ **Last updated:** [May 17, 2024, 6:42pm UTC](https://community.thunkable.com/t/ble-scan-for-id-and-name-or-uuid/3009086 "2024-05-17T18:42:19Z")
The SCAN block returns something called “ID” and “NAME” Can we assume ID means the BMAC address and not the UUID? And that NAME is the RF Device Name.? documentation is poor in this respect It would be great to have… --- ## [Data receive from bluetooth low energy](https://community.thunkable.com/t/data-receive-from-bluetooth-low-energy/3005885)
**Author:** [@romanov000229q025](https://community.thunkable.com/u/romanov000229q025)\ **Replies:** 1\ **Last updated:** [May 16, 2024, 2:50pm UTC](https://community.thunkable.com/t/data-receive-from-bluetooth-low-energy/3005885 "2024-05-16T14:50:28Z")
Hello I am Albert from South Korea. I want to recieve data(soil humidity,illuminance, temperature) from BLE module(HM-10) to smartphone there is several blocks about data transmit(receive strong, receive byte array, t… --- ## [\[Solved\] Send list item via BLE to an arduino](https://community.thunkable.com/t/solved-send-list-item-via-ble-to-an-arduino/2971071)
**Author:** [@fauloca24xo6d](https://community.thunkable.com/u/fauloca24xo6d)\ **Replies:** 2\ **Last updated:** [May 1, 2024, 8:27pm UTC](https://community.thunkable.com/t/solved-send-list-item-via-ble-to-an-arduino/2971071 "2024-05-01T20:27:41Z")
Hi everyone, I’m looking for a way to send the pressed item of a list via Bluetooth from the app to an Arduino. I spent all day searching through community posts for a solution but couldn’t find anything. Can anyone he… --- ## [HM10 doesn’t works with app BLE](https://community.thunkable.com/t/hm10-doesn-t-works-with-app-ble/2939756)
**Author:** [@fauloca24xo6d](https://community.thunkable.com/u/fauloca24xo6d)\ **Replies:** 1\ **Last updated:** [April 12, 2024, 9:20pm UTC](https://community.thunkable.com/t/hm10-doesn-t-works-with-app-ble/2939756 "2024-04-12T21:20:39Z")
Hi, i have an HM10 module (connected to arduino), which connects to an app that have to read data from bluetooth, but i can’t read correctly this data. Someone can help me? I tried all UUID i found but no one works (i … --- ## [Identical BLE Receive String Function Crashing](https://community.thunkable.com/t/identical-ble-receive-string-function-crashing/2839717)
**Author:** [@michael.chaney3nptx](https://community.thunkable.com/u/michael.chaney3nptx)\ **Replies:** 4\ **Last updated:** [February 19, 2024, 7:23pm UTC](https://community.thunkable.com/t/identical-ble-receive-string-function-crashing/2839717 "2024-02-19T19:23:14Z")
I have the following blocks. GetSpeed works without issue. GetBrightness crashes the app. The first step in the callbacks on the ESP32 is to print the read type. For example, when I call getSpeed, the ESP32 immediately p… --- ## [Switch from "Write With Response" to "Write Without Response"](https://community.thunkable.com/t/switch-from-write-with-response-to-write-without-response/2809712)
**Author:** [@drmaus83fm1tb4](https://community.thunkable.com/u/drmaus83fm1tb4)\ **Replies:** 1\ **Last updated:** [January 30, 2024, 1:45pm UTC](https://community.thunkable.com/t/switch-from-write-with-response-to-write-without-response/2809712 "2024-01-30T13:45:51Z")
Im wondering if theres a way to switch the way that the ble functions transmit data. I made two apps one with mit app inventor and one with thunkable and it seems mit app uses “Write Without Response” (0x04) and thunkabl… --- ## [BLE Receive Arduino IDE VS MicroPython](https://community.thunkable.com/t/ble-receive-arduino-ide-vs-micropython/2530372)
**Author:** [@nickhosewolup](https://community.thunkable.com/u/nickhosewolup)\ **Replies:** 2\ **Last updated:** [January 23, 2024, 11:53pm UTC](https://community.thunkable.com/t/ble-receive-arduino-ide-vs-micropython/2530372 "2024-01-23T23:53:22Z")
Hi everyone! I developed an app in Thunkable X and coded in Arduino IDE, enabling communication between them via BLE. Sending and receiving data worked well for both the app and my ESP32. However, I decided to explore … --- ## [Issues connecting and printing to BLE device](https://community.thunkable.com/t/issues-connecting-and-printing-to-ble-device/2759704)
**Author:** [@steve\_synopsis](https://community.thunkable.com/u/steve_synopsis)\ **Replies:** 9\ **Last updated:** [December 29, 2023, 3:04pm UTC](https://community.thunkable.com/t/issues-connecting-and-printing-to-ble-device/2759704 "2023-12-29T15:04:52Z")
I have a POS terminal with a built-in printer and am having some issues connecting and printing consistently. Firstly, as an FYI, as I posted in another thread, I have found out that the MAC address can be used to conne… --- ## [How do i connect a ESP 32 with thunkable to a servo](https://community.thunkable.com/t/how-do-i-connect-a-esp-32-with-thunkable-to-a-servo/2762741)
**Author:** [@martijnmpmnf5](https://community.thunkable.com/u/martijnmpmnf5)\ **Replies:** 7\ **Last updated:** [December 28, 2023, 7:42pm UTC](https://community.thunkable.com/t/how-do-i-connect-a-esp-32-with-thunkable-to-a-servo/2762741 "2023-12-28T19:42:06Z")
Hello People, I want to make an app which can set a servo into 2 different degrees. My little boy has a wooden train track and i want to make an app that can flip the track into righthru and left/right so he can use hi… --- ## [Bluetooth stopped working](https://community.thunkable.com/t/bluetooth-stopped-working/2651773)
**Author:** [@leeristhkfpe4](https://community.thunkable.com/u/leeristhkfpe4)\ **Replies:** 3\ **Last updated:** [October 20, 2023, 3:56pm UTC](https://community.thunkable.com/t/bluetooth-stopped-working/2651773 "2023-10-20T15:56:36Z")
The Bluetooth component of my app stopped working today. It was recognizing a Bluetooth beacon last night and is no longer recognizing it today even though another app on my phone does. Just wanted to see if anyone else … --- ## [BLE HRM reading BPM](https://community.thunkable.com/t/ble-hrm-reading-bpm/2441754)
**Author:** [@ayunsolutions](https://community.thunkable.com/u/ayunsolutions)\ **Replies:** 12\ **Last updated:** [October 6, 2023, 3:18pm UTC](https://community.thunkable.com/t/ble-hrm-reading-bpm/2441754 "2023-10-06T15:18:03Z")
Hi, I want to start receiving the BPM from HRM device, but I failed to do so, I am not sure what I am missing, I am able to connect to the device successfully, but somehow I cannot receive the BPM from the device it eit… --- ## [Connect Arduino to an app](https://community.thunkable.com/t/connect-arduino-to-an-app/2623474)
**Author:** [@jrmonsefsh9i9o3](https://community.thunkable.com/u/jrmonsefsh9i9o3)\ **Replies:** 1\ **Last updated:** [October 2, 2023, 2:42pm UTC](https://community.thunkable.com/t/connect-arduino-to-an-app/2623474 "2023-10-02T14:42:10Z")
I want to make an app that controls my Arduino uno which controls a relay. There’ll be two buttons, one to signal it on and one to signal it off. I want it to connect automatically, without needing to manually select dev… --- ## [BLE component returns - "Characteristic read failed error"](https://community.thunkable.com/t/ble-component-returns-characteristic-read-failed-error/2615368)
**Author:** [@karan.kajani27vhynr](https://community.thunkable.com/u/karan.kajani27vhynr)\ **Replies:** 1\ **Last updated:** [September 28, 2023, 6:52am UTC](https://community.thunkable.com/t/ble-component-returns-characteristic-read-failed-error/2615368 "2023-09-28T06:52:22Z")
Hello, I have been trying to create an app that receives byte array from a RaspberryPi controller. I know that Thunkable only allows READ property for a characteristic and I have set my characteristic to that. However, … --- ## [Bluetooth unable to transfer data](https://community.thunkable.com/t/bluetooth-unable-to-transfer-data/2596569)
**Author:** [@stupikk](https://community.thunkable.com/u/stupikk)\ **Replies:** 5\ **Last updated:** [September 24, 2023, 8:34am UTC](https://community.thunkable.com/t/bluetooth-unable-to-transfer-data/2596569 "2023-09-24T08:34:38Z")
I’m using an arduino and HC-05 module that can connect to my MacBook. However, when I try to use this code to connect to the arduino: Label15 (As shown) returns |Operation was cancelled About me (As shown) returns (… --- ## [Notifications from other Apps?](https://community.thunkable.com/t/notifications-from-other-apps/2508494)
**Author:** [@spinal\_cord](https://community.thunkable.com/u/spinal_cord)\ **Replies:** 5\ **Last updated:** [July 22, 2023, 2:45pm UTC](https://community.thunkable.com/t/notifications-from-other-apps/2508494 "2023-07-22T14:45:20Z")
I have had a quick try of thunkable, sending a message to an arduino device vie ble. that part works quite well. But I was wondering, is thunkable able to read notifications from my phone and send the text to my ble ardu… --- ## [BLE does not work x.thunkable](https://community.thunkable.com/t/ble-does-not-work-x-thunkable/2486127)
**Author:** [@dianaciocoiu95u](https://community.thunkable.com/u/dianaciocoiu95u)\ **Replies:** 1\ **Last updated:** [June 28, 2023, 1:19pm UTC](https://community.thunkable.com/t/ble-does-not-work-x-thunkable/2486127 "2023-06-28T13:19:53Z")
hi. i ve been trying to connect my esp32 devkit v4 with my thunkable app via BLE. when i try to scan for devices i never get a list of devices, getting errors like: " undefined", “BLEerror: Cannot start scanning”, “NO DE… --- ## [\[Resolved Bug\] BLE Bluetooth Low Energy Control](https://community.thunkable.com/t/resolved-bug-ble-bluetooth-low-energy-control/2476135)
**Author:** [@peterh4h](https://community.thunkable.com/u/peterh4h)\ **Replies:** 4\ **Last updated:** [June 22, 2023, 2:38pm UTC](https://community.thunkable.com/t/resolved-bug-ble-bluetooth-low-energy-control/2476135 "2023-06-22T14:38:23Z")
Hi, the BLE control has disappeared from the Blocks/Advanced Menu Has something happened I’m not aware of? In your docs it still says that it should be there. Many thanks Pete… --- ## [iOS Bluetooth App doesn't receives any data](https://community.thunkable.com/t/ios-bluetooth-app-doesnt-receives-any-data/2419863)
**Author:** [@thunkable28](https://community.thunkable.com/u/thunkable28)\ **Replies:** 5\ **Last updated:** [June 16, 2023, 8:50pm UTC](https://community.thunkable.com/t/ios-bluetooth-app-doesnt-receives-any-data/2419863 "2023-06-16T20:50:31Z")
I have been trying for a few days to get the Bluetooth working on the iOS to receive and transmit data but so far no luck. I have a Particle Boron device that sends data with Characteristic UUID: 0000C20C-5822-4800-ADE5… --- ## [How go get BLE characteristic UUID](https://community.thunkable.com/t/how-go-get-ble-characteristic-uuid/2362539)
**Author:** [@tom.garnier](https://community.thunkable.com/u/tom.garnier)\ **Replies:** 0\ **Last updated:** [April 7, 2023, 3:53pm UTC](https://community.thunkable.com/t/how-go-get-ble-characteristic-uuid/2362539 "2023-04-07T15:53:18Z")
How can I get the characteristic UUID for sending data with Bluetooth? How to get it, from different devices, like if users download my app, I think with will be different. Is it identic for all devices (phone and table… --- ## [BLE(Bluetooth Low Energy) connection with ESP-32 about Thunkable](https://community.thunkable.com/t/ble-bluetooth-low-energy-connection-with-esp-32-about-thunkable/2326077)
**Author:** [@minelaucraft](https://community.thunkable.com/u/minelaucraft)\ **Replies:** 1\ **Last updated:** [March 15, 2023, 10:53pm UTC](https://community.thunkable.com/t/ble-bluetooth-low-energy-connection-with-esp-32-about-thunkable/2326077 "2023-03-15T22:53:59Z")
Hi, I‘m searching a possibility to connect a ESP32-WROOM-32 with Thunkable. So that I can send data to the ESP-32. Bye Laurenz --- ## [BLE receive gets device ID instead of input data when connected to HM11 (HM10) module](https://community.thunkable.com/t/ble-receive-gets-device-id-instead-of-input-data-when-connected-to-hm11-hm10-module/2288949)
**Author:** [@infom17z7z](https://community.thunkable.com/u/infom17z7z)\ **Replies:** 9\ **Last updated:** [February 23, 2023, 3:46pm UTC](https://community.thunkable.com/t/ble-receive-gets-device-id-instead-of-input-data-when-connected-to-hm11-hm10-module/2288949 "2023-02-23T15:46:27Z")
I am trying to communicate thru BLE with a stairway LED controller with a popular BLE module HM-11 (HM-10). Connecting, disconnecting and transmitting works well, the problem is with receiving: instead of receiving bytes… --- ## [Read ASCII data with BLE converter](https://community.thunkable.com/t/read-ascii-data-with-ble-converter/2253020)
**Author:** [@riklangeveldnpp0q1](https://community.thunkable.com/u/riklangeveldnpp0q1)\ **Replies:** 3\ **Last updated:** [February 8, 2023, 3:18pm UTC](https://community.thunkable.com/t/read-ascii-data-with-ble-converter/2253020 "2023-02-08T15:18:38Z")
Hi All, I am new to Thunkable, what I see uptill now it looks promissing. I try to write/read data to a weighing scale using an BLE/RS232 converter with ASCII protocol. I found a perfect tutorial om youtube. I can co… [Previous page](https://community.thunkable.com/c/thunkable/ble-bluetooth/77.md) [Next page](https://community.thunkable.com/c/thunkable/ble-bluetooth/77.md?page=2)