"@Rob_Lefebvre - GPLv2 and v3 are different in some important ways. The Linux kernel is explicitly licensed GPLv2 and doesn't include the extension to v3 and future versions like other projects have.
As a software developer I don't like…"
"Since you're seeing this problem with two different boards, I doubt it's the bootloader. The most likely explanation is that the FTDI drivers are corrupt.
A bare bootloader with flash the yellow status LED every five seconds or so while…"
"Thanks for the link Chris. I wasn't aware of that debugging tips list, although I've tried most of those things. My FTDI cable is a few years old, not from Adafruit or DIYDrones but looks identical, so I assume it's the same thing. It…"
I've been getting the following error when trying to upload to my ArduPilot 328 using the FTDI cableavrdude: stk500_getsync(): not in sync: resp=0x00avrdude: stk500_disable(): protocol error, expect=0x14, resp=0x51This is on an ArduPilot that was working (able to add and retrieve way points) a few weeks ago. I'm now getting the same error with an older blue ArduPilot 168. The FTDI cable seems to work, as I'm able to upload sketches to an Arduino clone (also 168). I get the error on 2 different…See More
"No, I meant that as far as we know the picture on the site was never blue. Perhaps we missed a color change for a day, but it can't have been much more than that. Anyway, it's just cosmetic. I'd be surprised if more than a dozen blue…"
The "blue" board did show up on the Sparkfun site or I could not have purchased it. I distinctly remember the board being "blue" since the "green" board had been discontinued. But, no matter.
"Hmm. Well, the blue one never showed up on the Sparkfun site, and I say we've never seen one so I don't know how many made it out. This is the first I've seen of one (more than 1,000 ArduPilots have been sold). At any rate, since…"