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Module light is blinking/working but it's not showing for pairing in my smart phone.I have supplied it 3.3 volts and have tried different phones.enter image description here

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  • what is your question? ... I do not see anything related to the Arduino in your post
    – jsotola
    Oct 19 '20 at 16:02
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It won't pair directly you will need other apps for pairing the modules. Try using this app. It will solve your issue for sure

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  • You can't use that app until you connect to the device through the android OS
    – Tarynn
    Jul 31 at 0:41
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I put together a complete tutorial on using the HC-05 in the Arduino environment for remote programming. You can see it here

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  • Your tutorial doesn't explain how to troubleshoot pairing problems.
    – Tarynn
    Jul 31 at 0:42

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