"Power conservation is essential. I'd consider using a step-up converter with LDO in place of the SEPIC. Not only will it give you ~95% efficiency at the desired voltage (as opposed to ~86% for the SEPIC), it will also eliminate the need for the…"
Radoslaw Kornicki's Page
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Lew Payne commented on Radoslaw Kornicki's blog post All in one UAV controller board"Any chance of sharing the firmware and/or PCB layout with us? I understand you started with existing base firmware and modified it a bit. I'm very interested in seeing what you did with the FC30TR, your circuit for the SEPIC "power…"
Jonathan Lussier commented on Radoslaw Kornicki's blog post All in one UAV controller board"Just wanted to give you a thumbs up. Looks awesome! Looking to do something similar with an STM32 (ARM7) processor but at a much lower cost (optional pressure sensor - wiring will be there but not needed) and with off-board GPS and comms."
Radoslaw Kornicki commented on Radoslaw Kornicki's blog post All in one UAV controller board"Isolators I've used are aimed at communication applications with speeds up to 150Mbps, so enough for rc servo applications, down side is that they come at a price - they added about $25 to the project alone - whether it was worth - I don't…"
Jason Lyons commented on Radoslaw Kornicki's blog post All in one UAV controller board"So you opto-isolated the PWM inputs? You didn't have any issues with them being too slow?"
DeveloperPete Hollands commented on Radoslaw Kornicki's blog post All in one UAV controller board
"Radoslaw,
Congratulations. Looks super. Are you going to open source the design ?
Pete"
Radoslaw Kornicki commented on Radoslaw Kornicki's blog post All in one UAV controller board"Yes the board contains 3 axis accelerometers - X, Y, Z and 3 axis gyro X, Y, Z.
While reading all of Your comments I'm surprised I had no problems - well maybe yet, thank You for all the info though, I will definately consider Your…"
ModeratorMorli commented on Radoslaw Kornicki's blog post All in one UAV controller board
"Hi Radoslaw ,
I was going to say the same regarding GPS orientation. Even in wing , you still have to orient it flat which i guess may undermine the helix( saretel) antenna's potential. Right angle pinout for GPS on a flat board the way you…"
DeveloperPete Hollands commented on Radoslaw Kornicki's blog post All in one UAV controller board
"Interesting explanation regarding dealing with interference. Thanks.
Have you got Gyros on this board for all three axis ? (X,Y,Z).
Also, the same question for Accelerometers ? (X,Y,Z)"
Radoslaw Kornicki commented on Radoslaw Kornicki's blog post All in one UAV controller board"I had no issues with none of my sensor readings when using xBee. Actually I've used it in such configuration from very beinging, I've never even hooked up this board directly to the PC serial port.
I also had no problems with getting a…"
3D RoboticsJordi Muñoz commented on Radoslaw Kornicki's blog post All in one UAV controller board
"Everything looks fine so far, but i will suggest to use the GPS and the Xbee apart. I also suggest an airspeed sensor in order to make it "All in one". ;-)"
3D RoboticsJordi Muñoz commented on Radoslaw Kornicki's blog post All in one UAV controller board
"Also if you use Xbee 900mhz for basic range UAV operation, it will cause interference with the gyros (to close)."
Jason Lyons commented on Radoslaw Kornicki's blog post All in one UAV controller board"Does the chip antenna Xbee have enough range? Why did you not go with the wire antenna?"
DeveloperPete Hollands commented on Radoslaw Kornicki's blog post All in one UAV controller board
"Is there any interference between the Xbee and the board ? (in particular, do the transmissions of the Xbee effect the output from the gyro circuits ?). We have had to be careful about that when adding Xbees onto the Red UAV DevBoards."
3D RoboticsChris Anderson commented on Radoslaw Kornicki's blog post All in one UAV controller board
"You know that that GPS is supposed to be vertical (antenna pointed to the sky), I presume. How do fit the whole board in your plane vertically?"
ModeratorSgt Ric commented on Radoslaw Kornicki's blog post All in one UAV controller board
"Nice work."
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Radoslaw Kornicki's Blog
All in one UAV controller board
Posted on January 24, 2010 at 10:45am 18 Comments 0 Likes
Well, almost... few more things will be added in the next hardware version.
This is a project that started about 3 years ago when I began building a P-47 rc airplane. Back then I decided that if it is worth doing it is also worth overdoing, so I began working on a small on board computer that would cycle the landing gear hatch doors when as it is being retracted. Since then plane never progressed forward but the simple on-board computer did.
Here is what it looks like… Continue
This is a project that started about 3 years ago when I began building a P-47 rc airplane. Back then I decided that if it is worth doing it is also worth overdoing, so I began working on a small on board computer that would cycle the landing gear hatch doors when as it is being retracted. Since then plane never progressed forward but the simple on-board computer did.
Here is what it looks like… Continue
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