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Can I use ESP32 instead of nRF52840 and Is there problem ? if I use nRF Uart with esp32

because I cannot find nRF module for testing.

and I want to use bluetooth 4.0 BLE with  nRF uart  

so my product will send data from serial port (rx ,tx through DB9 ) and I have to find the solution that can send my product's data  via  android phone (bluetooth ble )

Dose Anyone have idea for me 

I need help

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  • ESP32 is an entirely different product from an entirely unrelated manufacturer - nothing to do with Nordic at all.

    https://www.espressif.com/en/products/hardware/esp32/overview

    Any UART - whether in a Nordic product or anything else - neither knows nor cares what it is connected to: it just transmits bytes from its TX output, and receives bytes arriving at its RX input.

    So, as long as the electrical specifications are compatible, and things like baud rate, etc, are correctly configured, any two UARTs can be connected together.

    That's the whole point of standard interfaces!

  • Thank for your comment

    But you know when I test to connect and disconnected nRF products with nRF Uart App (swapping 2 action serveral time)  nRF  products can do it well  but when I test to esp32 with the same app(with esp32 ble uart example from Kolban) 

     sometime the esp32 cannot connect to nRF Uart App and maybe cannot advertise it or android phone cannot find esp32 

    Is it cause by coding or hardware 

    What should I do this problem. 

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  • Thank for your comment

    But you know when I test to connect and disconnected nRF products with nRF Uart App (swapping 2 action serveral time)  nRF  products can do it well  but when I test to esp32 with the same app(with esp32 ble uart example from Kolban) 

     sometime the esp32 cannot connect to nRF Uart App and maybe cannot advertise it or android phone cannot find esp32 

    Is it cause by coding or hardware 

    What should I do this problem. 

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