FAQ Section: BlueTooth/BLE

Frequently Asked Questions
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BLE Releases

BluetoothLE extension 20230728 released - ewpatton

BluetoothLE extension 20201223 released - ewpatton

BluetoothLE extension 20200828 released - ewpatton

BluetoothLE extension 20190701 released - EWPatton

BLE Problems
How to clean out residual BLE extension parts - ewpatton

How to send text longer than 20 bytes - ChrisWard

WriteStrings is fixed to 23 Bytes and WriteBytes uses MTU - F3John
Multiple BLE connections in one screen - PeterO

BLE app freezes then crashes - registered too many times - Patton

BLE Techniques

FAQ Section: BlueTooth Starter Guides

BLE Notifications example - @Juan_Antonio

BLE Heart Rate Monitor - Gordon_Moore

BLE heart rate/thermometer work flow - Gerrikoio

Multiple screens with BLE in the master screen - Juan_Antonio

BLE connection on Alcatel requires Google Location turned on - Tim Baudermann

BLE Docs
BLE Extension docs

BLE extension: http://iot.appinventor.mit.edu/assets/resources/edu.mit.appinventor.ble.aix

BLE version numbers

BLE UUIDs

HM10 and SH-HC-08 - Patryk_F

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FAQ Section: BlueTooth Starter Guides
Reading BLE service in Appinventor
BLE connection to ESP32 bleprph example not working
Multiple Bluetooth connection in one screen
Simple Bluetooth server
BLE blocks do not work when I open my file again
Sending text via bluetooth
Unable to write data to BLE device
Can I advertise BLE (StartAdvertising)?
BluetoothLE extension 20190701 released
Connecting to a specific BLE devicetype using UUID and Name - fails
FAQ Section: Extensions
Controlling LED's from my phone via BluetoothLE
How to determine the location of the error?
Receiving strings through BLE fails frim the second time
BluetoothLE Extension ScanForService is not setting the Scanning flag to true
Help finding extension
Reading BLE service in Appinventor
[SOLVED] Can't send payload > 23bytes(MTU setted to 128bytes)
[Extension] Dynamic graph. Shift left graph. Sinusoidal wave. Bluetooth
Sending byte array over BLE using BluetothLE1 extension
Sending text data over a Bluetooth HC-08 module
HM10 pairing problem
Bluetooth Low Energy connect to more than one device
BLE ESP32. Bluetooth. Send. Receive. Arduino IDE. Multitouch
App inventor / Arduino Nano33Ble BlueTooth - Communication issue
How to read / get / receive bytes from my BLE device and show them on screen?
BluetoothLE extension 20200828 released
Send AT Commands to HM-10 via AI2 and print it's response in the app
Problems with data types RegisterForIntegers and more
add arduino sensor data into list and split it using [,]
Bluetooth bLE not connect
Cannot connect to my arduino nano 33 ble sense
Error 908: the permission bluetooth connect has been denied. please enable it in the settings app
App Crashing on Connection to to BLE
BLE connectivity
Bluetooth Connection Error on IoT Basic Bluetooth Connection demo
Store data from arduino to my app through bluetooth
Create an App with BLE communication
Force closes in apk build after last update
My app about ble can not work please help me!
BLE how to read several different characteristics
Regarding receiving epoch value
BLE - can't connect
Trying to display sensor data on app via BluetoothLE
BLE extension - Date Built: 2023-02-23 - permissions & connecting issuses on Android 12+
Error 507 Unable to connect
MIT app Inventor BLE permission problem with android
Extension updates
Manifest File in APP INVENTOR how to see it
BluetoothLE exits the app
Connecting Seeed studio xiao esp32c3 with MIT App Inventor via Bluetooth
I'm having trouble connecting my sensor device from my esp32 to my mit app inventor via bluetoothLE1
Reading BLE service in Appinventor
BluetoothLE1 extension: a permission issue
Unable to read data using Nordic UART Service
BLE AdvertisingData Format
Arduino Nano 33 BLE Help needed- Simple Solution for BLE connection?
Increasingly slow implementation
Beta version of BLE extension for Android 12 permission changes