"Probably a new PDB design with Optos + 5v regulator and a separate battery for APM would be a nice solution."
Vicente's Discussions
Aerial Digital Photography from a Balloon
Started this discussion. Last reply by Sgt Ric Mar 31, 2010. 1 Reply 0 Likes
Not related but extremely interesting.…Continue
Tags: Balloon, Photography
Vicente's Page
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Vicente replied to luispez's discussion Apm Mission Planner has burned one motor of my Hexacopter."Limebear,
Yes, one Opto for each ESC.
That way you will have different circuits for power and control.
When I talk about “control” Is because you can guaranty the APM will have a constant and clean Supply, not the unreliable one coming…"
Vicente replied to luispez's discussion Apm Mission Planner has burned one motor of my Hexacopter."As a rule I always use a separate battery for the control section + a BEC If needed, and for quads I also recommend Opto-isolator for each ESC.
ONLY with the control battery plugged you can upload firmware, program, play without any risk. Then when…"
ModeratorSgt Ric replied to Vicente's discussion Aerial Digital Photography from a Balloon
"Many groups have sent video packages to near space, (recently a team from Sherwood Park, Alberta Canada, near where I live)
Also one of our members here at DIYDrones rec'd alot of media attention years ago...TJ Bordelon, has been there, done…"
Vicente posted a discussionAerial Digital Photography from a Balloon
Not related but extremely interesting.http://www.semana.com/noticias-ciencia/fotos-tierra-camara-pinatera/137036.aspxSee More
Vicente commented on fibrewire's blog post Variable Pitch Quad Copter"Hi Robert,
Nice project!
What are you going to use as clutch or one way bearing between the rotor and each drive chain?
Without that, after engine or bevel gear failure would be impossible to perform an autorotation.
Probably a good idea is to make…"
Vicente commented on Hooks's blog post Special! PROJET MQ-9 Reaper 98"Nice plane but is too heavy...
Be aware of prop strike if using large props. Just watch @ 2:29min that great sound!!!"
Vicente commented on Jordi Muñoz's blog post APM Oil Pan!"Another change:
USB connector (top-left)
Infrared sensors XYZ Horizon connector (bottom-right)
I2C conector for pressure sensor (SCP1000) or magnetometer (HMC5843) (bottom)
The left “strange” pads could serve to ppm encoder in order to…"
Vicente commented on Jordi Muñoz's blog post APM Oil Pan!"Flash Memory P# AT45DB161D 16Mbit flash IC (right of converter)"
Vicente commented on Jordi Muñoz's blog post APM Oil Pan!"A couple of changes for my list:
Flash memory (ulog) (right of converter)
Jumpers (bottom-left) to monitor outputs, no multiplexor…"
Vicente commented on Jordi Muñoz's blog post APM Oil Pan!"I didn’t saw Chris Anderson comment, but with his clue what is in the bottom left is the USB port."
Vicente commented on Jordi Muñoz's blog post APM Oil Pan!"Hi Jordi,
Nice board! As you said quite big…
Here my guess for the oil pan:
-FTDI chip (top-left)
-Multiplexor (bottom-left)
-Differential Pressure Sensor MPXV5004DP (top-right)
-Gyro LPR530AL for Pitch and Roll (center)
-Gyro LPY530AL for…"
Vicente replied to James Pistorino's discussion Quadcopter Props"You can go with:
APC 10 x 4.7 Slow Flyer Pusher Propeller (APC10047SFP) for clockwise
APC 10x4.7 Slow Flyer Propeller (APC10047SF) for counterclockwise
Of course depends on your motor and ESC.
www.amainhobbies.com has them in…"
Vicente replied to Brent Scheneman's discussion XBEE Adapter For Plane Side"The SF board worked fine for me, BUT be aware about one diode that in some boards is in the wrong direction.
Please find the schematics (*.pdf) from SF where the show the diode in the WRONG direction. Actually some boards have it that way…"
Vicente commented on Max's blog post My Ardupilot Funjet"My only concern is the Video Tx is very close to ESC and motor.
Also be very careful with the video tx power supply cable it shouldn’t pass near the rx antennas or be glued to the receiver. I would not recommend wrapping the satellite cable,…"
Vicente commented on Jordi Muñoz's blog post Reminder: Sparkfun Free Day Is Tomorrow @ 9am MST!!"It seems that today nobody is going to work!
Reason? $100 in toys…"
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