HC-05 Bluetooth Module Interfacing With Arduino Uno | Using Smartphone

HC-05 Bluetooth Module Operation With Arduino Uno | Using Smartphone
This video explains:
1) Features, functions and operational modes of the HC-05 Bluetooth Module
2) Interfacing the module with an Arduino
3) Controlling the module using two smartphone apps
Arduino Code: create.arduino.cc/editor/that...
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Ebay link for BT module:
www.ebay.com.my/itm/Arduino-H...
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Intro music:
Jenny's Theme by Audionautix is licensed under a Creative Commons Attribution license (creativecommons.org/licenses/...)
Artist: audionautix.com/
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References: components101.com/wireless/hc...
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Hope this video helps.
If you have any questions, please leave a comment, and don't forget to like and subscribe.
Cheers everyone!

[@dijitafab6199]

It is not working for digitalWriting...LEDs does not responding...

[@hayrettindemir1199]

Why isn't a voltage divider used on the tx pin

[@hayrettindemir1199]

Ok. Already HC-05 tx pinout is 3,3V.

[@hayrettindemir1199]

Rx arrow directions are wrong