When powered from usb, nrf24I01 is ok, from external Power not



  • Hi,

    I hope, you will understand my english.

    I have a sensebender micro. When I connect it only with a FTDI Programmer to watch the serial monitor, all is OK.

    But when I connect it to his power source, a LM2596S step down regulator, I get this on the serial monitor:

    0 MCO:BGN:INIT REPEATER,CP=RNNRA--,VER=2.1.1
    4 MCO:BGN:BFR
    6 TSM:INIT
    6 TSF:WUR:MS=0
    14 TSM:INIT:TSP OK
    16 TSF:SID:OK,ID=1
    18 TSM:FPAR
    55 TSF:MSG:SEND,1-1-255-255,s=255,c=3,t=7,pt=0,l=0,sg=0,ft=0,st=OK:
    2064 !TSM:FPAR:NO REPLY
    2066 TSM:FPAR
    2103 TSF:MSG:SEND,1-1-255-255,s=255,c=3,t=7,pt=0,l=0,sg=0,ft=0,st=OK:
    4112 !TSM:FPAR:NO REPLY
    4114 TSM:FPAR
    4151 TSF:MSG:SEND,1-1-255-255,s=255,c=3,t=7,pt=0,l=0,sg=0,ft=0,st=OK:
    6160 !TSM:FPAR:NO REPLY
    6162 TSM:FPAR
    6199 TSF:MSG:SEND,1-1-255-255,s=255,c=3,t=7,pt=0,l=0,sg=0,ft=0,st=OK:
    8208 !TSM:FPAR:FAIL
    8210 TSM:FAIL:CNT=1
    8212 TSM:FAIL:PDT
    18216 TSM:FAIL:RE-INIT
    

    On the gateway I get this:

    0;255;3;0;9;MCO:BGN:INIT GW,CP=RNNGA--,VER=2.1.1
    0;255;3;0;9;TSM:INIT
    0;255;3;0;9;TSF:WUR:MS=0
    0;255;3;0;9;TSM:INIT:TSP OK
    0;255;3;0;9;TSM:INIT:GW MODE
    0;255;3;0;9;TSM:READY:ID=0,PAR=0,DIS=0
    0;255;3;0;9;MCO:REG:NOT NEEDED
    0;255;3;0;14;Gateway startup complete.
    0;255;0;0;18;2.1.1
    0;255;3;0;9;MCO:BGN:STP
    0;255;3;0;9;MCO:BGN:INIT OK,TSP=1
    0;255;3;0;9;TSF:MSG:READ,1-1-255,s=255,c=3,t=7,pt=0,l=0,sg=0:
    0;255;3;0;9;TSF:MSG:BC
    0;255;3;0;9;TSF:MSG:FPAR REQ,ID=1
    0;255;3;0;9;TSF:CKU:OK,FCTRL
    0;255;3;0;9;TSF:MSG:GWL OK
    0;255;3;0;9;!TSF:MSG:SEND,0-0-1-1,s=255,c=3,t=8,pt=1,l=1,sg=0,ft=0,st=NACK:0
    0;255;3;0;9;MCO:BGN:INIT GW,CP=RNNGA--,VER=2.1.1
    0;255;3;0;9;TSM:INIT
    0;255;3;0;9;TSF:WUR:MS=0
    0;255;3;0;9;TSM:INIT:TSP OK
    0;255;3;0;9;TSM:INIT:GW MODE
    0;255;3;0;9;TSM:READY:ID=0,PAR=0,DIS=0
    0;255;3;0;9;MCO:REG:NOT NEEDED```
    
    I have tryid it with an 10uf capacitor. But still nothing.
    
    Thanks Grave

  • Mod

    Welcome to the MySensors community @Grave !

    What capacitors do you use? The datasheet suggests 220uF.

    Have a look at the power troubleshooting flowchart here if you haven't already.

    Edit: sorry, I see now that you used a 10uF capacitor.


  • Mod

    It looks like the gateway restarts just after receiving the fpar message. Strange. What kind of gateway are you running?



  • @mfalkvidd I bet the serial gateway. 2.1.1 is bugy. I solved this problem by upgrading to the 2.2 beta from github.



  • I solved the problem. I have soldered a 1000uf capacitor to the output of the step down modul. Now everything is ok.
    I will try the beta Version.


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