I think I have tracked it down to a level shifter.
Cut the track on the vcc side of the TXB0104 and and checked the pad of the 3.3 and the volts was 0 volts, so I soldered the new regulator in and connected usb got 3.3 volts happy face.
Yes I am referring to the regulator.
I get the 1.77 volts while the apm is first plugged in boot up.
"REGULATOR IS REMOVED" for this test.
If I probe the board the input VCC pad I get 4.86 Volts witch is right, but the 3.3V pad I get 4.68…"
"Just come back from a flight. Plugged in my apm 2.6 to download the logs,
but cannot get it to connect, checked the 3.3 regulator and getting 4.8 volts on the out put pin
so I removed it to replace with new one thought I would check the output on…"
I have the same problem. Got a arducopter last week it fly's very nice, but when I tried to get the logs from it
I get no dataflash inserted.
found that the logging was disabled so I enabled it unplugged it and took it for a spin again.…"
I have moved this post a couple of times now so not sure were to put this.Hello,Got a APM arducopter last week it fly's very nice, but when I tried to get the logs from itI get no dataflash inserted.found that the logging was disabled so I enabled…