G8JNJ

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G8JNJ
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  • Seeed Metal case and GPIO connector

    Hi All,

    Just some brief notes regarding the installation of a 15 way D connector on the Seeed metal case in order to bring out the GPIO port for use with an antenna switch.

    The ventilation slot cuts out very easily and only required a small amount of filing in order to make the connector shell fit.

    First the pinout I used



    End view of case



    Top view of connector



    Wiring to GPIO ports



    Side view



    Hope this is of some use to others.

    Regards,

    Martin - G8JNJ
    PowernumptyjksHB9TMC
  • Seeed Metal case and GPIO connector

    Hi All,

    Just some brief notes regarding the installation of a 15 way D connector on the Seeed metal case in order to bring out the GPIO port for use with an antenna switch.

    The ventilation slot cuts out very easily and only required a small amount of filing in order to make the connector shell fit.

    First the pinout I used



    End view of case



    Top view of connector



    Wiring to GPIO ports



    Side view



    Hope this is of some use to others.

    Regards,

    Martin - G8JNJ
    PowernumptyjksHB9TMC
  • Broken Beagles

    I replaced the LAN8710A (PHY) chips on the two original Beagle boards and they now work correctly.

    I had a bit of a problem with the second board as the LAN8710A is a 32-pin QFN/SQFN surface mount package with a fairly large heatsink pad on the underside. I thought I'd got it hot enough with the hot air gun on the rework station, but unfortunately three of the pads lifted off the PCB from one corner when I removed the chip :-(

    Fortunately I managed to repair the missing tracks and the chip works OK :-)

    However the second new Beagle board I got from Farnell still refuses connect. I've tried just about everything with it, but it just won't cooperate. I've checked the same image I've loaded onto it on two other Beagles, which have both started up and connected to the router, so I don't think it's a MAC address conflict as the same problem would have occurred. So I'm 95% certain there is a problem with the new Beagle board.

    I've still got enough spare chips to try swapping the LAN8710A, but I think it's probably better just to send it back to Farnell and get a replacement board.

    So it looks like the Ethernet port is the Beagles weak spot.

    Regards,

    Martin - G8JNJ
    PowernumptyKA7U
  • Broken Beagles

    I replaced the LAN8710A (PHY) chips on the two original Beagle boards and they now work correctly.

    I had a bit of a problem with the second board as the LAN8710A is a 32-pin QFN/SQFN surface mount package with a fairly large heatsink pad on the underside. I thought I'd got it hot enough with the hot air gun on the rework station, but unfortunately three of the pads lifted off the PCB from one corner when I removed the chip :-(

    Fortunately I managed to repair the missing tracks and the chip works OK :-)

    However the second new Beagle board I got from Farnell still refuses connect. I've tried just about everything with it, but it just won't cooperate. I've checked the same image I've loaded onto it on two other Beagles, which have both started up and connected to the router, so I don't think it's a MAC address conflict as the same problem would have occurred. So I'm 95% certain there is a problem with the new Beagle board.

    I've still got enough spare chips to try swapping the LAN8710A, but I think it's probably better just to send it back to Farnell and get a replacement board.

    So it looks like the Ethernet port is the Beagles weak spot.

    Regards,

    Martin - G8JNJ
    PowernumptyKA7U
  • TDoA maps

    Hi John,

    I like the new TDoA maps in v1.238, I think I actually prefer them to the original :-)

    Thanks for the quick fix.

    Regards,

    Martin - G8JNJ
    WA2ZKD