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MarkyD

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  1. I think you are most probably correct. My post processing skills are not the best- I usually just move the slider about until I bring something out I shall return to it when get back in the U.K. next week and see if I can pull any rabbits out of the hat with your suggestions - Thanks
  2. Final image consisting of 35 lights, 20 Darks and 20 Flats. Alot were discarded due to the wind picking up and moving the camera last night All frames were taken on a Canon 6D MKII with 100 - 400mm L lens mounted on Skywatcher Star Adventurer Mini Details: Exp/frame 120sec, ISO 2500 & ISO8000, f5.6. Stacked in DSS then tweaked in LR and PS Second picture is the setup. I quite pleased with the result tbh CC welcome
  3. EXIF data contains all of the image information recorded by the camera (date, time, GPS loctaion, shutter speed etc) If you download the free program IrfanView you can view the EXIF data from this. It is also a very handy program for batch processing etc
  4. I was getting noise from the PWM powering my Dew Heaters. I used these to Isolate the power side after the MOSFET drivers. They are the square block on the pcb picture 50V 10A EMI Filters
  5. -1 means there is no SPI signal. -2 is the signal is to strong. -3 is the signal is to weak
  6. Is there a way to place a carbon stiffener on the bed and print on that to incorporate it into the finished piece
  7. Never had a problem with Mouser deliveries. Usually arrives within 2 or 3 days with import duty & VAT taken care of. All of their stuff comes from the US I believe
  8. I now use xBee's. Very easy to use to send serial data across wirelessly.
  9. The ones in my CNC box (A4988) are Ok without the 12V supply when the Uno is powered up via usb - no magic smoke has appeared The 12V is just to supply the motor coils via the MOSFETS - it doesn't effect the switching. The thing that does effect/damage them is if you disconnect the steppers whilst power is on
  10. Rs Components for some 6030 N Channels - 80p each with free delivery. These are what I use witha 51R from Arduino to Gate and a 10K from Gate to GND http://uk.rs-online.com/web/p/mosfet-transistors/6714856/
  11. My Schematic of my dew controller if it's readable enough
  12. I can upload to the Nano and the Mega with the 12V supply attached with no problems. I have to as the RTC is powered by a separate supply and not the Arduino to set the time. The Arduino always chooses the higher voltage input if multiple connections are made. All of my GNDS are also on a common rail. My Vin (9V) and +5V for the LCD and peripherals are both supplied by two of those MP1584's with no problems. My CNC box (Uno) also runs and uploads with +12V power and USB connected with 4 A4988's attached on a shield I think there is another underlying problem somewhere and in these cases I find it easier to replace everything in one hit instead of piece by piece just in case each component is taking each other out
  13. I power mine with a 12V - 9V to Vin and then 12V - 5V to power ancillaries. If you use Vin you will need 6V or more as the on board reg has a volt drop of approx 1 volt. If you use the 5V in you bypass the on-board regulator but I have only done this when programming the LCD which then gave comm conflicts so I had to disconnect the 5V between the two. All GNDS are common
  14. I use these MP1584's from the same guy on ebay we get out nanos from. http://www.ebay.co.uk/itm/5-pack-MP1584-miniature-Power-supply-DC-3A-adjustable-LM2596-alternative-/161811570603?hash=item25acb89fab:g:vfwAAOSwLVZV5Kdc
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