thank you very much for your help!!!
of course i compile hex for myself and my friends
all modules ublox, sirf & mediatek is support nmea protocol
maybe select it by default for compatibility for next relises ?"
"i test arducopter 3.2 rc12
2 different gps with nmea output (38400 baud VTG GGA 5Hz)
in mission planner show "no gps"
blue led off
i test different gps settings 1 (auto), 5(nmea) - no difference
when i use AC 3.15 firmware - all work…"
"I thought that because of the acceleration in turn had a tilt of the horizon, this effect is often observed in the "arduplane" in models with high torque. The best way to find it - use the OSD record. It is easy to compare the real horizon…"
"thank you. Stefan Gofferge's Arduino Mode Switch is another solution.
it connect between PPM out of CPU and PPM input of transmitter radio module
mode switch data replace chanel data directly in PPM sum.
in my solution arduino set…"
"unfortunately I do not know who is Stefan Goffer.I used a very simple code that I wrote for pair hours.
I really liked how you are able to do manual for beginners in pictures
APM 2.5.2 have yet another bug
uart0 +5v pin and 3v3 regulator…"
"i recover 100+ apm 2.x controllers but not found burned TXB0104 chip or 45db161 data flash.
data flash chip designed for using with removable memory card and have protection on input/output pins.
Absolute maximum rating for input/output…"