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RC-Cam Regular
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Colorado, USA
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Wireless Aerial Video, electric RC airplanes, webpage design
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Hi RC-CAM, I can't speak for the future hobby unit, but you are correct about the BWAV unit being designed by myself and Ira over at Iftron Technologies. Bill
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Klarich Electronics/BlackWidow Diversity Receiver
yb2normal replied to mklarich's topic in Vendor Links
Hi Val, I appreciate any and all referrals. Regarding your questions: "Is there a specification you are willing to disclose that shows that your new receiver is better than the previous one? " The improvements over Matt's design were mainly for manufacturability and durability... Some of these design improvements actually turned out to be novel enough to patent, and these have been applied for. I can't talk about them unfortunately until AFTER the patents are approved. Our unit gives similar performance to Matt's design in terms of resistance to multipath resistance, so I woul -
Klarich Electronics/BlackWidow Diversity Receiver
yb2normal replied to mklarich's topic in Vendor Links
Hi Matt, Thanks for stepping in on my behalf, I have been out of touch for far too long. I am still quite busy, but trying to catch up on work! To that end I'm pleased to announce the general availability of the new Black Widow AV diversity receiver. A couple of comments worth making: 1) The new diversity receiver is not a copy of the old design. Fundimentally they perform the same work of course... switching between two video/audio streams, but the comparison really stops there. Proprietary hardware and software designs have allowed us to create a robust diversity receiver tha -
yb2normal started following GP-CX161-53P, Flight attitude stabilisation and positioning syst, Check out this GPS World article and 4 others
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Check out this GPS World article
yb2normal replied to Dave Jones's topic in R/C Telemetry, FPV, RPV, and UAV Projects
Yeah, it was some guy... Mark, Marty, Mo,... something like that All kidding aside, that was great work Matt!! -
Hi Dave, The diversity receiver has been completely redesigned and is being re-released mid-February. Here is a link to the webpage: http://www.blackwidowav.com/Diversity24.html Regards, Bill
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That sounds like it would work, assuming polarization is the issue. That's the cool thing with diversity reception... you have twice as many ideas to try out
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One of the other ways that a diversity receiver can help your range is via polarization diversity.... assuming you have your two antennas oriented such that their polarization is 90 out of phase to each other. The idea is that as the plane banks over, one antenna is going to become cross polarized (and effectively loose 20dbi gain) while the other antenna's polarization matches that of the plane. This doesn't solve the issue of blocking the signal with the plane body though. Regards, Bill http://www.blackwidowav.com/Diversity24.html
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Very interesting! Just so I understand: 1) You have switch on your tx to turn FPV mode on and off. When it is off, the camera fixes to the center straight forward, and increases the throw of your rudder. 2) When FPV mode is on the rudder throw is much reduced, and the camera servo swivels at the command of the rudder channel. Since the rudder throw is so low, do you accumulate the values so that, when the rudder stick is released, the camera servo stays where it was last? I guess I am describing a function similar to an old project of Mr. RC-CAM, I can't recall the name right
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Andre that was great! Did you land while under the hood? What are you using to pan the camera, it is so smooooth with no apparent steps. (**edit**) Nevermind I finally read the rest of the posts on the thread and saw the comment about your PIC solution. Can you share some details on your algorithm?... not the detailed pulse width stuff, rather, do you have the circuit plugged into a channel that is controlled with a stick or a dial, do you have any auto-centering, etc. One of your earlier videos with this setup show the plane banking while the camera stays pointed in exactly the
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GP-CX161-53P
yb2normal replied to aerodolphin's topic in R/C Wireless Video: General Info, RF Gear, and Cameras
At the risk of violating the rc-cam no-commercial post rule.... I sell a couple different 5v ccd cameras. The smallest tips the scale at 13 grams and offers 480 lines of resolution. Mind you, this is for a ccd camera too. Send me a PM and I'll give you the shpeel on what I have. Thanks, Bill -
GP-CX161-53P
yb2normal replied to aerodolphin's topic in R/C Wireless Video: General Info, RF Gear, and Cameras
The camera has been discontinued and there has been a run on the remaining supply. I sold my last ten to an engineering company. Does it HAVE to be the CX161 or are you just looking for a very small color CCD camera that runs on 5v? Bill