Banggood Dear dperalesferrera,Thank you for choosing Banggood and sorry for the inconvenience caused.We have forwarded your feedback to our customer service team and will give you a proper solution within 24-48 hours. If you have any other inquiries, please do not hesitate to contact us by filling out the form at below links: Personal Computer: http://www.banggood.com/Contact-Us_hi111Mobile: https://m.banggood.com/contact_us.html We will do our best to assist you. Best regards,Banggood Team

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EKliptus For AT commands you must be connected by serial link and not by BLE, maybe this is ...

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yves_briant Samefor me. I am not sure about the speed of the serial link, some state it defaults to 9600baud, some others to 115200baud. But none of these settings work, ie no "OK" reply from the device.

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banggood @yves_briant Dear yves_briant,

Thank you for choosing Banggood and sorry for the inconvenience caused.

Could you please tell us more information about your problem via these links?
Personal Computer: http://www.banggood.com/Contact-Us_hi111
Mobile: https://m.banggood.com/contact_us.html

We will do our best to assist you after we receive the email.

Thanks for your understanding and have a nice day.

Best regards,
Banggood Team

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