Blueteeth | lightweight library intended to take | Networking library
kandi X-RAY | Blueteeth Summary
kandi X-RAY | Blueteeth Summary
Blueteeth is a simple, lightweight library intended to take away some of the cruft and tediousness of using the Android BLE API. I wrote about it originally here: with a more recent update at It was inspired by the simplicity and ease-of-use of LGBluetooth on iOS. The upcoming iOS companion library is SwiftyTeeth.
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QUESTION
This is my first question ever asked on this board
The project explained short:
5 sensors, connected with an esp32 board are transmitting 1000 samples/second, each sample has 16 bit. Those values should be transmitted via BLE (With the BLE Arduino library and an ESP32). The connected device (Smartphone) should read those values and do something with them (Also via BLE, with the following library: https://github.com/RobotPajamas/Blueteeth). The ESP32 is the Server! Java is used in Android Studio!
The problem:
While testing the BLE connection a simple "hello world" was transmitted as the value for a characteristic. Every time i received the "hello world" on the android-device-side, a variable was incremented: The problem is, the variable only got incremented 4 times in one second. This means (assuming 1 char in a string equals 1 byte) 11byte*4(1/s)=44byte/s are being transmitted. -> This clearly is not enough (should not BLE transmit ~2MBit/s (minus the protocol-data))
Code Fragments
...ESP32: BLE-Server that transmits value
ANSWER
Answered 2021-Aug-07 at 10:56I was reading BLE wikipedia page and the minimum data rate is 125Kbit/s , so I think that in your case is viable, because you only will transmit 16Kbit/s. Take a look in BLE wikipedia.
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