# \#bluetooth **URL:** https://community.thunkable.com/tag/bluetooth/163.md [Latest](https://community.thunkable.com/latest.md) · [Categories](https://community.thunkable.com/categories.md) · [Tags](https://community.thunkable.com/tags.md) --- ## [How To Get Bluetooth Working On The AI App Builder](https://community.thunkable.com/t/how-to-get-bluetooth-working-on-the-ai-app-builder/4108629)
**Author:** [@kadair473ybqm6m](https://community.thunkable.com/u/kadair473ybqm6m)\ **Replies:** 2\ **Last updated:** [May 13, 2026, 7:33pm UTC](https://community.thunkable.com/t/how-to-get-bluetooth-working-on-the-ai-app-builder/4108629 "2026-05-13T19:33:25Z")
I am having problems implementing Bluetooth through the AI App generator. After much effort, the AI said that Thunkable needs to enable the Bluetooth library in the AI. The AI says that its code is correct, but that it… --- ## [BLE Base 64 to decimal and binary to decimal](https://community.thunkable.com/t/ble-base-64-to-decimal-and-binary-to-decimal/4107829)
**Author:** [@factionsirgslx42](https://community.thunkable.com/u/factionsirgslx42)\ **Replies:** 0\ **Last updated:** [October 23, 2025, 7:59pm UTC](https://community.thunkable.com/t/ble-base-64-to-decimal-and-binary-to-decimal/4107829 "2025-10-23T19:59:28Z")
When receiving bytes data through BLE it’s coming in as Base64. Is there any quick conversion to binary or decimal in the works or examples of doing so? MIT app inventor auto converts Base64 to decimal and has binary … --- ## ["BLE Characteristic Change" Issues on Screen Navigation: Request Solution](https://community.thunkable.com/t/ble-characteristic-change-issues-on-screen-navigation-request-solution/4107547)
**Author:** [@senthilkumaranms](https://community.thunkable.com/u/senthilkumaranms)\ **Replies:** 2\ **Last updated:** [September 29, 2025, 9:24am UTC](https://community.thunkable.com/t/ble-characteristic-change-issues-on-screen-navigation-request-solution/4107547 "2025-09-29T09:24:50Z")
I have implemented Bluetooth Low Energy (BLE) functionality in my app and included the ‘BLE characteristic changes’ block on multiple screens. After establishing a Bluetooth connection, data transmission works as expecte… --- ## [Unable to connect to Device](https://community.thunkable.com/t/unable-to-connect-to-device/3820102)
**Author:** [@hellos5lu97](https://community.thunkable.com/u/hellos5lu97)\ **Replies:** 2\ **Last updated:** [May 12, 2025, 10:15pm UTC](https://community.thunkable.com/t/unable-to-connect-to-device/3820102 "2025-05-12T22:15:25Z")
I’ve been trying to get my app to connect a Bluetooth device using Thunkable. It’s a very simple app. All it does is scan for a particular device name and connect to it. However, I can’t seem to get it to connect. I foll… --- ## [BLE Bluetooth Scan not working with Simple List](https://community.thunkable.com/t/ble-bluetooth-scan-not-working-with-simple-list/3722731)
**Author:** [@AmyB](https://community.thunkable.com/u/AmyB)\ **Replies:** 2\ **Last updated:** [April 8, 2025, 1:35pm UTC](https://community.thunkable.com/t/ble-bluetooth-scan-not-working-with-simple-list/3722731 "2025-04-08T13:35:09Z")
Hi, I am just trying to achieve the BLE Scan functionality using the documentation on this page- Bluetooth Low Energy Blocks | Thunkable Docs Here’s the project link - Somehow Simple List doesn’t show up in Web Previ… --- ## [\[SOLVED\] Unable to recieve data via BLE - send works fine](https://community.thunkable.com/t/solved-unable-to-recieve-data-via-ble-send-works-fine/3707328)
**Author:** [@halinwtto10a](https://community.thunkable.com/u/halinwtto10a)\ **Replies:** 1\ **Last updated:** [April 2, 2025, 1:27am UTC](https://community.thunkable.com/t/solved-unable-to-recieve-data-via-ble-send-works-fine/3707328 "2025-04-02T01:27:01Z")
Hi, I’m having trouble getting my app to display any data received via BLE in my app. I’ve only been able to get an error code if I use call – BLE1’s Receive String – in which case the error reads: Can’t read the charact… --- ## [Help connecting and displaying BLE on thunkable live!](https://community.thunkable.com/t/help-connecting-and-displaying-ble-on-thunkable-live/3680984)
**Author:** [@leilamaria09rdc6nl](https://community.thunkable.com/u/leilamaria09rdc6nl)\ **Replies:** 0\ **Last updated:** [March 22, 2025, 8:50pm UTC](https://community.thunkable.com/t/help-connecting-and-displaying-ble-on-thunkable-live/3680984 "2025-03-22T20:50:42Z")
Hi! I am trying to connect my esp32 to my app through BLE on one screen, and then display the data from the esp32 onto another screen. So far, the bluetooth connects, but on my other screen where I try to display the dat… --- ## [BLE Characteristic UUID issues sending Data](https://community.thunkable.com/t/ble-characteristic-uuid-issues-sending-data/3334160)
**Author:** [@rhino-led](https://community.thunkable.com/u/rhino-led)\ **Replies:** 11\ **Last updated:** [November 26, 2024, 8:47pm UTC](https://community.thunkable.com/t/ble-characteristic-uuid-issues-sending-data/3334160 "2024-11-26T20:47:16Z")
I’m still having issues trying to send hexidecimal commands to my bluetooth app i’m writing. I get the error above, In one post this was a bug but I still can’t get it to work. #include \ #include \ **Author:** [@rhino-led](https://community.thunkable.com/u/rhino-led)\ **Replies:** 20\ **Last updated:** [November 14, 2024, 12:47am UTC](https://community.thunkable.com/t/scanning-for-bluetooth-and-filtering-results/3316850 "2024-11-14T00:47:49Z") I have found some threads about this but never could get any of them to work. What am i doing wrong? I’ve tried several combos of this and can’t get anything to display bluetooth results that have names. I don’t want bla… --- ## [BLE Characteristic UUID issues](https://community.thunkable.com/t/ble-characteristic-uuid-issues/508037)
**Author:** [@marothwell](https://community.thunkable.com/u/marothwell)\ **Replies:** 15\ **Last updated:** [November 8, 2024, 11:18am UTC](https://community.thunkable.com/t/ble-characteristic-uuid-issues/508037 "2024-11-08T11:18:09Z")
I created an app: https://x.thunkable.com/projects/5e447690fa2000a7c8ab5c14/420a269b-5845-4bc4-8fcb-4fa88a3e5e79/blocks This app is using BLE to talk to an HM-10 module on arduino. When I scan, I find my device. When… --- ## [Testing BLE on IOS](https://community.thunkable.com/t/testing-ble-on-ios/3315526)
**Author:** [@rhino-led](https://community.thunkable.com/u/rhino-led)\ **Replies:** 7\ **Last updated:** [November 1, 2024, 8:49pm UTC](https://community.thunkable.com/t/testing-ble-on-ios/3315526 "2024-11-01T20:49:31Z")
I have an apple developer account. and a paid service to thunkable. I am creating an app to send data back and forth to my custom BLE controller. I can see the scan and see my controller via the thunkable live app, but … --- ## [Filter and connect to a specific Bluetooth device from the List Viewer](https://community.thunkable.com/t/filter-and-connect-to-a-specific-bluetooth-device-from-the-list-viewer/2476943)
**Author:** [@thunkable28](https://community.thunkable.com/u/thunkable28)\ **Replies:** 4\ **Last updated:** [September 6, 2024, 9:31pm UTC](https://community.thunkable.com/t/filter-and-connect-to-a-specific-bluetooth-device-from-the-list-viewer/2476943 "2024-09-06T21:31:21Z")
Hello Thunkable community, I am working on a BLE app where the App first scans for all the discoverable devices and then user connects to a specific device from the ListViewer. The block implementation to discover the B… --- ## [Creating a list of element thats contains 'string' from another list](https://community.thunkable.com/t/creating-a-list-of-element-thats-contains-string-from-another-list/3123389)
**Author:** [@ocorbo](https://community.thunkable.com/u/ocorbo)\ **Replies:** 1\ **Last updated:** [August 6, 2024, 7:10pm UTC](https://community.thunkable.com/t/creating-a-list-of-element-thats-contains-string-from-another-list/3123389 "2024-08-06T19:10:25Z")
hi, really beginner here, just starting with this thunkable. im using bluetooth scan and i would like to create a list with all the near devices. then parse it to create another list with all the ones that has a certain… --- ## [BLE Not working in Thunkable Live](https://community.thunkable.com/t/ble-not-working-in-thunkable-live/3016583)
**Author:** [@blakermartin27ea49x6](https://community.thunkable.com/u/blakermartin27ea49x6)\ **Replies:** 4\ **Last updated:** [July 26, 2024, 3:23am UTC](https://community.thunkable.com/t/ble-not-working-in-thunkable-live/3016583 "2024-07-26T03:23:03Z")
Hi Thunkable, I developed an app for my product with your service for a couple of years. I logged on the make a few updates for the first time this year. When I went to test, the thunkable live app keeps giving the “loc… --- ## [BLE + Location Issue](https://community.thunkable.com/t/ble-location-issue/3095162)
**Author:** [@vico3341rys8kx](https://community.thunkable.com/u/vico3341rys8kx)\ **Replies:** 6\ **Last updated:** [July 22, 2024, 5:43pm UTC](https://community.thunkable.com/t/ble-location-issue/3095162 "2024-07-22T17:43:27Z")
Greetings to the whole community, I’m new to thunkable and I’m referring to this post because it has the same thread as my problem. My project consists of getting the LED turned on on an esp 32 via thunkable App button … --- ## [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… --- ## [Testing limitations with BLE](https://community.thunkable.com/t/testing-limitations-with-ble/2959123)
**Author:** [@dragondropper](https://community.thunkable.com/u/dragondropper)\ **Replies:** 3\ **Last updated:** [April 25, 2024, 1:34pm UTC](https://community.thunkable.com/t/testing-limitations-with-ble/2959123 "2024-04-25T13:34:07Z")
So I’ve gathered that in order to test BLE in iOS, I need to compile the app (Live Test app, will not work). When I try to launch it in Web Preview, I get “BLE functionality can’t be tested with the Thunkable Live app o… --- ## [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… --- ## [With this, Build or test a Bluetooth application in less than 2 minutes](https://community.thunkable.com/t/with-this-build-or-test-a-bluetooth-application-in-less-than-2-minutes/2795761)
**Author:** [@vishruth-ram](https://community.thunkable.com/u/vishruth-ram)\ **Replies:** 2\ **Last updated:** [January 24, 2024, 1:56pm UTC](https://community.thunkable.com/t/with-this-build-or-test-a-bluetooth-application-in-less-than-2-minutes/2795761 "2024-01-24T13:56:04Z")
It takes a lot of effort to create a Bluetooth app, so just change the prompt settings in this and you’re good to go. With auto-send, automatically send device data. And now control what the device is sending without ope… --- ## [For those who have worked with BLE](https://community.thunkable.com/t/for-those-who-have-worked-with-ble/1110530)
**Author:** [@bluerfox15uht9](https://community.thunkable.com/u/bluerfox15uht9)\ **Replies:** 48\ **Last updated:** [November 23, 2023, 9:44pm UTC](https://community.thunkable.com/t/for-those-who-have-worked-with-ble/1110530 "2023-11-23T21:44:25Z")
for those who have worked with BLE before, i have a bit of a hardball question. I have been doing a lot of research into OBD2 stuff. initially, i thought the greatest issue would be getting the numbers and converting fr… --- ## [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… --- ## [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… --- ## [HM-10 write failed](https://community.thunkable.com/t/hm-10-write-failed/643697)
**Author:** [@huang7017t](https://community.thunkable.com/u/huang7017t)\ **Replies:** 9\ **Last updated:** [July 28, 2022, 9:17am UTC](https://community.thunkable.com/t/hm-10-write-failed/643697 "2022-07-28T09:17:54Z")
I already have a way to connect to HM-10 but there will be 0000ffe1 write failed for device uuid and service 0000ffe0 --- ## [How do I reduce polling frequency?](https://community.thunkable.com/t/how-do-i-reduce-polling-frequency/1976219)
**Author:** [@eduardo.baladaozm3a2](https://community.thunkable.com/u/eduardo.baladaozm3a2)\ **Replies:** 2\ **Last updated:** [July 26, 2022, 2:00pm UTC](https://community.thunkable.com/t/how-do-i-reduce-polling-frequency/1976219 "2022-07-26T14:00:32Z")
Hi! I am using my screens in a navigator but still not working propertly and getting slow. I run part of program forever in first screen to recieve BLE data continously and each time I go to another screen and come back… --- ## [Strange behaviour with BLE and HM-10](https://community.thunkable.com/t/strange-behaviour-with-ble-and-hm-10/641973)
**Author:** [@tponcota5ks](https://community.thunkable.com/u/tponcota5ks)\ **Replies:** 4\ **Last updated:** [July 19, 2022, 9:17am UTC](https://community.thunkable.com/t/strange-behaviour-with-ble-and-hm-10/641973 "2022-07-19T09:17:25Z")
Hi, I’m experiencing an issue when trying to read the custom characteristic of an HM-10 bluetooth module with the BLE Component. Here are a few precisions: Writing data works as expected I can read and write data with… --- ## [Can't receive String from my Bluno device](https://community.thunkable.com/t/cant-receive-string-from-my-bluno-device/1949953)
**Author:** [@aspras01gt10bm](https://community.thunkable.com/u/aspras01gt10bm)\ **Replies:** 3\ **Last updated:** [July 3, 2022, 12:50pm UTC](https://community.thunkable.com/t/cant-receive-string-from-my-bluno-device/1949953 "2022-07-03T12:50:28Z")
Hi all, I am trying to build an app to communicate with my Bluno. I can transmit Strings without any problems, but when I try to receive Strings, it shows me the last value I transmitted. Attaching my blocks: Here… --- ## [Critical Error Occured with Bluetooth](https://community.thunkable.com/t/critical-error-occured-with-bluetooth/1924518)
**Author:** [@tringuyen](https://community.thunkable.com/u/tringuyen)\ **Replies:** 2\ **Last updated:** [June 14, 2022, 11:15am UTC](https://community.thunkable.com/t/critical-error-occured-with-bluetooth/1924518 "2022-06-14T11:15:16Z")
Hello guys, I had this problem when using bluetooth.Whats going on exactly? this problem is for all ? or just me? --- ## [Issues with BLE read/write byte array blocks](https://community.thunkable.com/t/issues-with-ble-read-write-byte-array-blocks/1861148)
**Author:** [@muneer](https://community.thunkable.com/u/muneer)\ **Replies:** 26\ **Last updated:** [June 11, 2022, 11:16pm UTC](https://community.thunkable.com/t/issues-with-ble-read-write-byte-array-blocks/1861148 "2022-06-11T23:16:36Z")
I’ve been testing an app with BLE send/receive and was working fine up until yesterday afternoon when all of a sudden every attempt to use any blocks with send or receive crashes the app. I tried an old app that was wor… --- ## [Is it possible in Thunkable X to kind of filter the list of available BLE devices during scan?](https://community.thunkable.com/t/is-it-possible-in-thunkable-x-to-kind-of-filter-the-list-of-available-ble-devices-during-scan/1866281)
**Author:** [@shtokyd](https://community.thunkable.com/u/shtokyd)\ **Replies:** 8\ **Last updated:** [May 8, 2022, 11:28am UTC](https://community.thunkable.com/t/is-it-possible-in-thunkable-x-to-kind-of-filter-the-list-of-available-ble-devices-during-scan/1866281 "2022-05-08T11:28:23Z")
Hi dear community, I was wondering if there is a way to build a filtered View List of discovered BLE devices during bluetooth scan, to not display absolutely all available bluetooth devices but for example only with a sp… --- ## [Trying to connect Bluetooth BP cuff, but struggling with the "characteristic UUID" stuff](https://community.thunkable.com/t/trying-to-connect-bluetooth-bp-cuff-but-struggling-with-the-characteristic-uuid-stuff/1849525)
**Author:** [@multitech-visions](https://community.thunkable.com/u/multitech-visions)\ **Replies:** 4\ **Last updated:** [April 26, 2022, 2:47pm UTC](https://community.thunkable.com/t/trying-to-connect-bluetooth-bp-cuff-but-struggling-with-the-characteristic-uuid-stuff/1849525 "2022-04-26T14:47:04Z")
I’m very new to BLE stuff, and Thunkable, so please excuse my ignorance. I’m trying to connect and collect data from a BLE blood pressure cuff, but I don’t have a clue what I’m doing. I’ve got some documentation from … [Next page](https://community.thunkable.com/tag/bluetooth/163.md?match_all_tags=true&page=1&tags%5B%5D=bluetooth)