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  3. NRF24 Init fail with Arduino mini pro 3v3

NRF24 Init fail with Arduino mini pro 3v3

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  • K Offline
    K Offline
    knop
    wrote on last edited by
    #1

    Hi,
    I've a sketch which is working fine with arduino Uno, the exactly same sketch in arduino mini pro is failed :
    0 MCO:BGN:INIT NODE,CP=RNNNA--,VER=2.1.1
    4 TSM:INIT
    4 TSF:WUR:MS=0
    6 RF24:write register, reg=0, value=14
    14 RF24:write register, reg=3, value=3
    18 RF24:write register, reg=4, value=95
    22 RF24:write register, reg=5, value=76
    26 RF24:write register, reg=6, value=39
    30 RF24:write register, reg=16, value=115
    36 RF24:write register, reg=29, value=6
    40 RF24:read register, reg=6, value=0
    45 RF24:read register, reg=5, value=0
    47 !RF24:INIT:SANCHK FAIL
    51 !TSM:INIT:TSP FAIL
    53 TSM:FAIL:CNT=1
    55 TSM:FAIL:PDT
    57 RF24:write register, reg=0, value=12
    61 RF24:PD

    The NRF24L01 is working fine (it is a same that is running in Arduino Uno), My arduino mini pro seems to working fine (I've tested with Blink sketch).
    For connection I've followed :https://www.mysensors.org/build/connect_radio#nrf24l01+-&-arduino
    To power supply my arduino mini pro I've used 3.3V pin from my arduino Uno, I've also connected VCC of NRF24L01 to 3.3V

    Do you have an idea of what is wrong ?

    Thanks for your help.

    Chris

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    • gohanG Offline
      gohanG Offline
      gohan
      Mod
      wrote on last edited by
      #2

      Why aren't you just supplying 5/6v to raw pin of the pro mini?

      K 1 Reply Last reply
      0
      • gohanG gohan

        Why aren't you just supplying 5/6v to raw pin of the pro mini?

        K Offline
        K Offline
        knop
        wrote on last edited by
        #3

        @gohan
        Ok thanks gohan
        So you suggest that i apply 5v from my arduino uno in raw pin of mini pro, right?
        And how power supply nrf24l01?
        Thanks

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        • gohanG Offline
          gohanG Offline
          gohan
          Mod
          wrote on last edited by
          #4

          Don't you have any 5v supply around besides the UNO? For 3.3v you can get those from the pro mini. Also check cables, most common problems are bad wiring or loose connection.

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          • K Offline
            K Offline
            knop
            wrote on last edited by
            #5

            Thanks gohan,
            Today my setup in on breadboard and I did not soldered pin of my arduino and my issue comes from bad contact on pin between arduino and NRF24.
            Thanks again

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