TUTORIAL: How to get Started Bluetooth Module JDY-31 JDY31 BK3231 Arduino - Quick Simple! HC05 HC06 @antonycartwright
TUTORIAL: How to get Started Bluetooth Module JDY-31 JDY31 BK3231 Arduino - Quick Simple! HC05 HC06  @antonycartwright
Uploaded June 2019 | Updated September 2026, 2 weeks ago
Warning; kids talk through the first 6 mins. Anyway, these modules are used for Arduino to device communication - They're HC-05 HC-06 equivalents. I've had these for a while but never really understood how to make them work. After 10hrs of research and messing around, I finally figured it out. So here you go! Here's how!

These modules have very limited info available about them, so hopefully, this video will help you all out. Some of the BK modules of different styles just don't work and I still don't know why. The ones in this video do work though but you have to do it exactly like in the video. Even the software matters. Some software just doesn't work. Again, I have no idea why, but it's just the way it is.

If you have connection problems, send the AT+DISC command, then attempt reconnection. That works for me.

For those who wish to support the channel, my Patreon account is here: patreon.com/antonycartwright
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Antony Cartwright (Electronics & Code) |

TUTORIAL: How to get Started Bluetooth Module JDY-31 JDY31 BK3231 Arduino - Quick Simple! HC05 HC06

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