Re: [Paparazzi-devel] Part Sources

[antoine . drouin]

Hello Steve

Selon Steve Turner <address@hidden>:

> Hi,
> 
>     I have been interested in UAV's for a while, and am attempting to build
> one. I may try to build a paparazzi, and at least use some of your ideas. You
> guys have done a great job. I am fairly new to the AVR's and C programming,
> so it is a steep learning curve for me. I have not yet located a source for
> the modem chip however. I have been unable to find any info on the CMX469D3,
> but did find some info on a CMX469AD3
> (http://www.cmlmicro.com/Products/WData/CMX469A.htm). Is this the chip you
> used? Looks like most everything else DigiKey has.

That is the chip we use. We get this part from radiospares (www.radiospares.fr
pn: 378-3051 and 378-3045
It's an old chip but it works fine. Maybe someday we'll have to think about
using something newer :)

>     I am also wondering if your printer had any problems printing the board
> to a transparency without smudging between the small pads of the AVR's? I
> have a cheap HP printer, and some of my pads print out with 3 pads connected
> together. Maybe a higher quality printer would work better. 

I have no problem printing the pcbs on transparencies with an epson photo 890
printer (1200*2400dpi). I use the maximum contrast settings. A laser printer
also works fine.

I am now designing a new version of the controller board and we intend to have
these PCBs build by eurocircuits (www.eurocircuits.com). This will allow us to
have metalized holes, reduce further the size of the board, and make the chip
easier to solder.

I hope that beeing able to get ready-made PCBs will allow more people to build
Paparazzis.

What I would really like is to find someone who would sell a Paparazzi kit
containing chips and PCBs.

Regards

Antoine


>     I have a website with a little stuff on UAV's
> (http://www.steveonweb.com). More just a collection of some of my ideas. I
> have since moved away from the PIC's and on the AVR's. Probably nothing new
> for you guys on there however. Thanks for any ideas or pointers.
> 
> Steve Turner
> Fort Collins, CO
> SteveOnWeb.Com