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The Stoat

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About The Stoat

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  • Interests
    The night sky, electronics, DIY, weather
  • Location
    Northants, UK

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  1. Good progress! As above I2C LCD's are nice & easy, however they will require pins A4 & A5 so you might want to pick another pin for the voltage measurement. Also, and I'm sure you have this covered, Gnd of the power supply your measuring should be connected to Gnd on your circuit. Cheers, Mark.
  2. Yes the ACS712 will work, as would the MAX471, both of which can be purchased as simple cheap modules. A simple voltage divider would also work fine for voltage messurement and there are plenty of example Aduino sketches for reading the analogue inputs. Ive done the same as your suggesting and monitor the voltage and current draw to my systems, and with a relay also automatically shut-down the supply if the current draw gets too high. Cheers, Mark.
  3. The Stoat

    Dew heater controller woes

    A quick Google shows that unit does use PWM, so I would hook it back up and check if the bands are heating. Could well be a successful repair!
  4. The Stoat

    Dew heater controller woes

    If the controller uses PWM the output voltage may not appear to change much, so it could be working just fine. Cheers, Mark.
  5. “Yes I’m an astronomer. No I can’t guess your star sign….”
  6. The Stoat

    Free Astronomy Course

    Signed up too, but will need to brush-up on the maths first.
  7. The Stoat

    hello from northants.

    Hi Phil. There's a few from Northants on here. Have fun with the Lightbridge! Cheers, Mark.
  8. The Stoat

    The bane of cold tea.

    Yup they exist Tom. And don't forget your camping fridge in the obsy to keep the milk cold!
  9. The LX Mod isn't needed as it has a sensitive chip but it would make it even better.
  10. It's a great idea! I've just taken delivery of an old skool Pocket PC device for less than £10 of eBay to attached next to the finder. I'm going to remote on to my astro laptop to to display Stellarium and PHD.
  11. Looks good. I'm happy to participate in testing.
  12. The Stoat

    Finding it hard to find/locate Andromeda.

    Obviously the you wont see the Andromeda as it appears in the photo's, but it gives you an idea of the objects size.
  13. The Stoat

    Finding it hard to find/locate Andromeda.

    Jason, try this site to give you an idea of how an object will look with your scope and EP's: http://www.12dstring.me.uk/foveyepiece.php
  14. The Stoat

    Call me a wimp but.....

    I'm wimping out too Tom, looking at Astrobuysell to see what I can't afford!

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