Alexey Kozin
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  • Russian Federation
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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
"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
Alexey Kozin added a discussion to the group ArduCopter User Group
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unexpected full throttle on ac 3.1.2

ac reseted  after flashingwe have red thr in, green thr outvibtations only full throttleater flying near ground pilot looks full throttle, move down thr stick but ac do not have responseafter altitude reach 100m batery overloads and failplease help to analyze logfile includedSee More
Apr 2
Josh Welsh replied to Alexey Kozin's discussion apm AntennaTracker in the group ArduPlane User Group
"Start here:  https://groups.google.com/forum/#!topic/drones-discuss/4W82QWy0yqw "
Mar 31
Alexey Kozin added a discussion to the group ArduPlane User Group
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apm AntennaTracker

i see nice stuff:https://github.com/diydrones/ardupilot/blob/master/Tools/AntennaTracker/AntennaTracker.txtcomment in pde: "Please contribute your ideas! See http://dev.ardupilot.com for details"but i can not find the discussionSee More
Mar 31
emre ayvaz replied to Alexey Kozin's discussion Howto test arducopter in HIL (hardware in loop) mode? in the group ArduCopter User Group
"Hi randy, I have the same question for Trad. Heli. I  have connected APM 2.5, DX8 and receiver to my pc. Now mission planner and X-plane are wotking together. But I need to calibrate it correctly. Heli is flying in X-plane. But Sticks are not…"
Mar 30
Charles lakins replied to Alexey Kozin's discussion nmea extension in the group ArduCopter User Group
"the last paragraph should it not read.. if (!strcmp_P(_term + 2, _gprmc_string)) { _sentence_type = _GPS_SENTENCE_RMC; } else if (!strcmp_P(_term + 2, _gpgga_string)) { _sentence_type = _GPS_SENTENCE_GGA; } else if (!strcmp_P(_term + 2,…"
Mar 27
Alexey Kozin added a discussion to the group ArduCopter User Group
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nmea extension

now gps nmea library is support GPS mesages onlyGP is Talker ID (GP for a GPS unit, GN for a GLONASS)Mediatek 3333 & ublox lea 6 h support glonass system as example mt 3333 after gps and glonass fixed output mesages changes from $GPRMC to $GNRMC and APM show "NO FIX" // NMEA message identifiers //////////////////////////////////////////////////// // const char AP_GPS_NMEA::_gprmc_string[] PROGMEM = "GPRMC"; const char AP_GPS_NMEA::_gpgga_string[] PROGMEM = "GPGGA";const char…See More
Mar 27

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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