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[Гість]

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03 Грудня 2024, 21:05:00

1 година 1 день 1 тиждень 1 місяць Назавжди

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[grim]

Вітаю форумчан із Новим роком!
Що ж до побажань, то вони всім відомі. Хоча зараз це обізвали екстремізмом у моєму оточенні, але світу насамперед.

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3 :ds40a, sentimentalbob, one-nick

[Pulsartomi]

Я бажаю всім щасливого Новий рік. У 2024 році я відремонтую свій CAM86 і зроблю кілька зображень глибокого неба. У планах оновлення кріплення телескопа.     

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2 :rgb, ds40a

[sebastian]

Hi everyone,
iam just building a cam86 and wonder wich component i should solder in instead of DR6. (astroccd.org says i should not be soldered because of noise)
Sebastian

[grim]

Hi everyone,
iam just building a cam86 and wonder wich component i should solder in instead of DR6. (astroccd.org says i should not be soldered because of noise)
Sebastian

You can solder a 10 ohm resistance instead of inductance DR6. It's a little better.

[Ernemontv]

Hi Grim.

How are you? I found out about your work and this is very exciting to see. I saw you were even working on a new full frame 6D based one.

How is that going? It would be so amazing to see it working.

[grim]

Hello.

No, I haven’t taken Canon 6d apart yet. Currently in plans, but not possible yet. I figured out the CANON 600D interface, but implementing the camera in the circuit turned out to be difficult due to 4 outputs. Now the circuit for CANON 500d is completely ready. A reading program has been written, an ASCOM driver has been created, and two versions have been produced color and black and white. It turned out that in the sensor’s bayer matrix the signal from the red pixels is very low. For example, sky background R = 4315, G = 7893, B = 10480, without a bayer mask, sky background 10836 under the same conditions. Those, for hydrogen lines Ha the sensor is bad without removing the mask. It also turned out that the mask itself is held quite firmly on the sensor - it is impossible to pick it out with a wooden or plastic stick, unlike ICX4xx. I picked it out with a copper stick, making scratches. There is also a good bias pattern that needs to be subtracted. I store it in the memory of the microcontroller.
But one of the advantages of the sensor is the reading noise of about 3 eV.

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5 :sentimentalbob, mlago, AlexandrAA, one-nick, aspok

[grim]

Black and white version on the left.

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1 :one-nick

[grim]

circuit

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2 :one-nick, aspok

[sebastian]

Hi Everyone,
i had to stop the project last time but now i restarted with my cam 86 and changed  dr6 to 10 Ohms. Everthing else is still the same cam, pc , driver. Nothing changed. But i cant get a connection anymore. The usb device reports an error " Error while requesting Device Class" I resoldered dr6 but that was not the problem. Is the ftdi chip crap suddenly? I added USB Tree Viewer screenshot. Any ideas? Oh and i checked all Voltages, and the USB connections from chip to usb plug etc. controlled the whole surface for shortcuts.
Sebastian

[Саша Наумов]

Hi Sebastian,

although I'm not familiar with CAM8x project,
I see that FTDI chip does not output valid USB Device Descriptor (according to your screenshot).
I don't know why but can suppose non-original (say chinese) chip was used.
In the past I heard FTDI someway prohibits use of non-original chips inside their driver.
Definitely the trouble is not caused by resistor change.

First thing I would do is to connect it to another machine clean of FTDI drivers;
if no device found, then replace chip with original one.

[sebastian]

Hi Sasha,
thanks for your ideas but the whole thing worked in exactly this configuration 3 month ago. I also changed pc´s and usb cables crosswise. The chip should be original, i think to get a bad copy from  mouser.de is very unlikely. I ordered two new ones and try to fix it this way. Will report...

@grim if available
Just to be clear of firmware etc.
cam86 pcb astroccd.org boom etc...
ftdi driver 2.08.24 or newer
cam86_v0.8.3 ascom driver
cam86_fw_8L.hex  firmware

Only ATP support no N.I.N.A. possible due lack of 64 bit driver ?


Sebastian