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Astrohat - An open hardware RPi Hat for astronomy equipment

9 months 2 weeks ago
Supaii
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Astrohat - An open hardware RPi Hat for astronomy equipment #47879
Submit

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9 months 2 weeks ago
anofeles
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Astrohat - An open hardware RPi Hat for astronomy equipment #47890
Done.
thank you for your initiative , ppapadeas.

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8 months 1 week ago
ppapadeas
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Astrohat - An open hardware RPi Hat for astronomy equipment #49414
Thank you all for replying on the survey!

Here are some quick results from it:



Based on this feedback and fixes from v1.0 I went ahead and released a v1.1 version of Astrohat.

Major changes:
- Removal of RTC since it is expensive to do it right and people should connect a GPS (or get time from Kstars) anyway
- Formal adherence to the RPi HAT specifications to make software development and user experience much easier (EEPROM FTW!)
- Various component fixes on issues identified from v1.0

here is a pic of what v1.1 looks like


As I write this reply, v1.1 PCBs are in production and will soon be in my lab to continue testing.
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The following user(s) said Thank You starman345, DrawsACircle, DerPit, Avocette, ouioui01

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8 months 6 days ago
ouioui01
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Astrohat - An open hardware RPi Hat for astronomy equipment #49753
Hi,
Waiting for that...good job!

Best regards

----
ES ED 127mm FCD100, AZEQ6 GT, FocusLynx ESX25, Nikon D800 full modded / D5300, ASI120mm-s for guiding, Polemaster
-- RPi4 4Gb Stellarmate 1.5.3, Windows 10 Pro, Kstars/VNC
-- RPi4 8Gb Ubuntu mate 20.04.1 LTS - Kstars/NoMachine

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7 months 4 days ago
colgs3b
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Astrohat - An open hardware RPi Hat for astronomy equipment #50959
I’m late to this party, but I am quite interested in the progress. I’ve been mulling over RTC vs GPS on my Rock64. I already made an Arduino GPS gadget for my Celestron mount.

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5 months 3 weeks ago
Astrofilo66
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Astrohat - An open hardware RPi Hat for astronomy equipment #53161
Good morning, sorry for my english. My name is Ettore and write of Italy, i am interested to HET for my Raspberry PI4.

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5 months 1 day ago
fmalterre
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Astrohat - An open hardware RPi Hat for astronomy equipment #54442
Hi Folks,
I hope this promising project is still growing ! I'm very impatient to see the final version.
Clear Skies
Franck

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5 months 1 day ago
ppapadeas
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Astrohat - An open hardware RPi Hat for astronomy equipment #54443
Hello everyone!

This is a bit of an update on my side:

Version 1.1 arrived and got assembled. All worked as expected and I can safely say that I am not expecting any major revisions for the schematic and electrical connections. There might be slight updates for component placement since I identified some things that could be done better.
Perhaps most importantly for version 1.1 is the fact that the EEPROM on the HAT works like a charm, meaning that the RPi on boot can identify that there is a HAT with specific needs present and assign quickly the right parameters on all peripherals and GPIOs. I am genuinely impressed by the cleanliness of the EEPROM solution for the HAT since it makes development and usage from end users so much easier.

Due to COVID-19 and some personal family priorities I had little progress on the software development for the past 2 months and things will be slow for the next month too. Since the hardware development is verified though I am inclined to send a board or two around to any takers that can commit on contributing for the software side of things. (@knro Jasem I am looking at you ;)

Thanks for all your supportive messages and thanks for tagging along in this journey. Hopefully we will have something that all people can use soon!
The following user(s) said Thank You sterne-jaeger, fmalterre

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5 months 1 day ago
ppapadeas
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Astrohat - An open hardware RPi Hat for astronomy equipment #54444
Here is a picture of the v1.1 assembled and under testing

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5 months 1 day ago
jabian
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Astrohat - An open hardware RPi Hat for astronomy equipment #54445
This is fantastic ! I hope you can continue with the work soon and the time comes for us to enjoy it and for you that finally the ingenuity, the time and the economic investment are gratified.

Celestron AVX
Celestron SCT 8” Edge HD, Primaluce ESATTO
TS Optics Photoline 80mm f/6 FPL53 Triplet-Apo, Primaluce SESTO SENSO 2
Celestron OAG, Lodestar X2 guide
Pegasus PowerBox Advanced
Stellarmate Gadget
AstroPhotography Tool (APT)
Nikon D90

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5 months 1 day ago
Astrofilo66
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Astrohat - An open hardware RPi Hat for astronomy equipment #54457
98/5000
The project seems fantastic to me, I would like to have a card with the 4 12V outputs to try.

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4 months 3 weeks ago
jnowat
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Astrohat - An open hardware RPi Hat for astronomy equipment #54869
Eagerly awaiting any progress, willing to pay to give it a try, as far as hardware goes- I can easily fill up all the outputs. Is there still room on the GPIO for a couple I2C sensors for temp/RH and the such? You're going to give Pegasus power packs a run for their money, I suppose. I'd buy one of these over another UPBv2, no doubt.

Perhaps the biggest spec for me on this board is the 12V input to the hat- it powers the Pi, correct? Heck. YES. Much needed. Who has time for 5V when you're mobile? Too much struggle, imo.

Thanks for tackling this- it's going to be very useful. Hope you're doing well during lockdown.

Stay up,
Jacob

Losmandy G11, Gemini II, 10" f/3.8 Newt (Ostahowski Optics),
TV Paracorr-2, 2" Starlight FT, HSM20, Pegasus UPBv2,
ASI1600MM Pro, ASI174MM Mini, ZWO LRGB, EFW, & OAG,
StellarMate on RPi3 and/or Astroberry on RPi4
KStars 3.4.1 Build 2020-02-24T07:38:50Z on Win10 (updated 20200506)
Indi ver....

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