The HM-10 Bluetooth v4.0 module contains the C2541 bluetooth controller, which operates on a voltage between 3.6V and 6V. Because the module has a built-in level shifter, the IO works on both 3.3V and 5V.
QWillem VermeirModiule works with Arduino, but I can't adjust the baud rate. no matter what parameter I enter I get an error message. on the command AT+BAUD I get the answer +BAUD=4 where 4 refers to 9600 baud. I would like to get it done, anyone have an idea?ViewHide 1 answer | Answer this question
AArneHi Willem, I had exactly the same problem. This is because this is not an original HM-10 module but an MLT-BT05. If you search on Google for the datasheet of this module you will find the correct commands. Hopefully this helps!
QJohanCan this BT module be used for communication between an Arduino and an iPhone?Answer this question
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Customer Reviews
Willem Vermeir
Works wellSnel geleverd
Product works as it should, I am satisfied
Placed on 10 June 2022
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