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How to Connect A HC-42 Bluetooth 5.0BLE Module

Posted: Thu Mar 21, 2024 12:47 pm
by harunsengul
Hi,

I have a device that has HC-42 Bluetooth 5.0BLE module and I want to connect it via esp32-wroom-32.

I found the UUID of the device but there is no characteristic UUID.

I've used BLE_client example to connect my HC-42 module but it did not work.

Thank you in advance in your help.

Re: How to Connect A HC-42 Bluetooth 5.0BLE Module

Posted: Thu Mar 21, 2024 2:45 pm
by liaifat85
Are you able to scan the HC-42 Bluetooth 5.0BLE Module with your phone?