Bluetooth communication

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urbanspaceman

Well-known member
Hi,
i want to do some tests with bluetooth connection
wich is the best shield/component to add bluettoth to teensy 3.x?

I want to control teeensy with android/ios/computer with webapp installed eccc

Thanks
 
HC-05 or HC-06 modules are very cheap. HC-06 is slave only. There are lots of projects that have successfully used this module. There are plenty of them on useful breakout boards.
 
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I believe the HC-05/HC-06 support the original Bluetooth which works with many Android phones. However, IOS requires Bluetooth low energy (BLE), which is somewhat pricier. Here is a help guide on deciding from 2015: https://www.intorobotics.com/pick-right-bluetooth-module-diy-arduino-project/

Adafruit has some newer BLE boards not mentioned in the above guide:

I just picked up the Serial UART version, but I haven't had time to try it out. Note, it wants CTS/RTS. On the Teensy, RTS can be any pin, but CTS is fixed (18 or 20 for Serial1, 23 for Serial2, 14 for Serial3): http://www.pjrc.com/teensy/td_uart.html.
 
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