Comment by Mario bernard on April 16, 2012 at 12:47pm

Sandro

I ' am also interested in the answers to Owen,s questions.

Thanks for your support. 

Developer Comment by Sandro Benigno on April 16, 2012 at 1:31pm

@answering those questions:

1) In all the time since I started to develop it I never need to stablish a bootup sequence. However, I already have my XBee bricking because of receiving data from APM during the boot-up time;

2) 4.9v at APM input end, and 11.3v at Vid_IN is quite fine.The 12V is related to your camera and Video TX. Even 6V is enough to get video overlay working. Example --> 6V Video TX + self powered GoPro.

3) The reset pulse from your PC is just 200ms. So, everything above it is more than enough.

4) An OSD layout is saved on EEPROM. After a firmware upgrade it should not corrupt.

5) After the update processes the FTDI will do an auto-reset.

No problem on dedicate some time answering any question from you guys. Just sometime I'm kinda busy and will do it with certain delay. ;)

Comment by Owen Booth on April 16, 2012 at 2:03pm

Thanks Sandro, that's awesome, appreciate it. Seems I've exhausted all possibilities then. Either I'm slightly retarded (it's been known), or there is a hardware issue. I'll keep nagging the 3DR team until I get a response for support.

cheers for your time!

Comment by Mario bernard on April 24, 2012 at 4:13pm

Hi all,

i just received my 2nd miniosd and ws able to compare and do some troubleshooting of my 1st miniosd.

Everything works fine withthe new Miniosd. Firmware , charset and screen layout all workfine.

This time i only feed the miniosd via the apm using the two stages jumpers unlike with my 1st miniosd.

The board is much cooler then feeding the 2nd stage via 12v. I think that the board probably fried from too much heat. 

The first board is probably dead, I am able to connect to it, upload firmware, but unable to load charsets. I am not getting any videoout either, I tried feeding it with both methods, via apm only (with soldered jumpers) and with 12v (without jumpers), but same results. The charset file is not corrupted eitheras suggested, because i use the same file for the second board and it works fine. So, i think that this board is fried. Since i am using the same connectors,camera, batteries, ftdi cable, etc, i was able to rule out those components as being the cause. My conclusion, i think that using 12v fried that board because i got darn hot. So it cost me 2 boards to lurn that ! My suggestion .......feed the osd via the Apm. Only my 2 cents.... 

Wiki Ninja Comment by Gent Armedo on April 24, 2012 at 4:30pm

@Mario bernard, when did you order your first MinimOSD?

Comment by Mario bernard on April 25, 2012 at 9:22am

Gent

Ordered on march 20th, an received 2 to 3 weeks later

Comment by Mario bernard on April 25, 2012 at 11:04am

Avec des commentaires comme ca sur un forum, ca sent le taxi...

Comment by Patrice Mainville on April 25, 2012 at 11:06am

LOL

Comment by Mario bernard on April 25, 2012 at 11:11am

i hope you guys understand that this Patrice guy is a friend of mine....perhaps, sometimes stupid, but, hey! so am i....

Wiki Ninja Comment by Gent Armedo on April 25, 2012 at 11:42am

LOL. We act out sometimes. Anyway, on your first MinimOSD, you connected it to both power sources (5v from APM and 12v from Tx/ Vid Cam) and the board burned? On the second board, it is just powered with from the APM's 5v? Correct me if I'm wrong. I'm asking because I also have the MinimOSD but I have not set it up, even just power it up.

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