Alexey Kozin
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  • Moscow
  • Russian Federation
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Alexey Kozin's Discussions

apm 2.5 case removed from new 3dr store?

Started this discussion. Last reply by Dean Jun 3, 2013. 1 Reply

only apm 2.0 case avaibleContinue

 

Alexey Kozin's Page

Latest Activity

Alexey Kozin replied to Randy's discussion ArduCopter-3.2 beta testing
"Randy, 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 ?"
9 hours ago
Alexey Kozin replied to Randy's discussion ArduCopter-3.2 beta testing
"i test gps modules separatly as primary gps at APM controller NMEA no work "
yesterday
Alexey Kozin replied to Randy's discussion ArduCopter-3.2 beta testing
"i test arducopter 3.2 rc12 apm 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…"
Monday
Alexey Kozin replied to Randy's discussion ArduCopter-3.2 beta testing
"hi all, i found cause of big offsets of pixawk  who have very large offsets (above 500) - try to unscrew the steel screw in corner near connector  ADC6.6V"
Sep 29
Alexey Kozin replied to Randy's discussion ArduCopter-3.2 beta testing
"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…"
Aug 20
Alexey Kozin replied to Randy's discussion ArduCopter-3.2 beta testing
"hi Marco, i look  you YouTube video  hexacopter  3.2b fail after  while rotating around its axis and motion along the circle. http://www.youtube.com/watch?v=7WeOfKgdrP8 its wrong works of ahrs_gps_gain=1 level…"
Aug 19
Alexey Kozin replied to Randy's discussion ArduCopter-3.2 beta testing
"HI please to see log  http://forum.rcdesign.ru/attachment.php?attachmentid=948772&d=1402686342 ac 3.2  stop motors in altitude hold mode when rc3 in 950 (rc3min = 1008) user error - throttle failsafe -disabled arducopter dont hold…"
Jun 14
Alexey Kozin commented on Paul Krajewski's blog post APM2.5.2 Schematic Updated W/TXB0104 Translator ICs - Troubleshooting "Failed to Boot MPU6000 5 Times" error
"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…"
Jun 10
Alexey Kozin commented on Paul Krajewski's blog post APM2.5.2 Schematic Updated W/TXB0104 Translator ICs - Troubleshooting "Failed to Boot MPU6000 5 Times" error
"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…"
Jun 10
Alexey Kozin commented on Paul Krajewski's blog post APM2.5.2 Schematic Updated W/TXB0104 Translator ICs - Troubleshooting "Failed to Boot MPU6000 5 Times" error
Jun 5
Alexey Kozin replied to Raph's discussion minimOSD freezes after arming
"try Minim OSD Extra firmware it work fine"
Jun 4
Alexey Kozin commented on Paul Krajewski's blog post APM2.5.2 Schematic Updated W/TXB0104 Translator ICs - Troubleshooting "Failed to Boot MPU6000 5 Times" error
"main problem of apm 2.5 / 2.5.2 is using bad 3.3 voltage regilator chip markes as pesi in new design boards -redesign EN pin to +5V for using  mic5333-33 ldo (YM5 case) or mic5205-3.3"
Jun 4
Alexey Kozin commented on Paul Krajewski's blog post APM2.5.2 Schematic Updated W/TXB0104 Translator ICs - Troubleshooting "Failed to Boot MPU6000 5 Times" error
"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…"
Jun 4
Alexey Kozin commented on Hugues's blog post Powering your APM drone (or how not to shutdown APM like the US gov would) - practical build log
Apr 9
Alexey Kozin replied to Alexey Kozin's discussion unexpected full throttle on ac 3.1.2 in the group ArduCopter User Group
"this block removed from ahrs: - // limit vertical acceleration correction to 0.5 gravities. The - // barometer sometimes gives crazy acceleration changes    - vdelta.z = constrain_float(vdelta.z, -0.5f, 0.5f); .…"
Apr 3
Alexey Kozin replied to Alexey Kozin's discussion unexpected full throttle on ac 3.1.2 in the group ArduCopter User Group
"blue line show gps altitude error hdop fine number of sats too"
Apr 2

Profile Information

About Me:
Arduino fun
programmer vb tsql
Please tell us a bit about your UAV interest
arduplane arducopter
Hometown:
Krasnodar

Alexey Kozin's Blog

arduplane Automatic flight to alt 2414m

Posted on May 6, 2013 at 2:30pm 18 Comments

Disclaimer:- DIYDRONES does not advocate or condone any RC flights beyond LOS or above 400'AGL. Do not try this. This…

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Allegro acs756 current sensor for arducopter

Posted on November 7, 2012 at 12:00pm 18 Comments

allegro current sensor





The sensor is galvanically isolated from the…

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Mediatek 3339 GPS module for Ardupilot / Arducopter

Posted on September 6, 2012 at 10:00am 7 Comments

Globaltop PA6C Gps module

  • based on new mediatek 3339  chipset
  • Real sattelite fix time 5-7s (in home too) before ardupilot is calibrated -module always get lock…
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