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skyLaser02

This is a raspberry Pi project to make a device I can take with me camping in the Scamp RV and have it point a laser at selected objects in the sky. Special thanks to Brandon Rhodes for the SkyField module. 00:18 Recap. My goal for the project. 00:37 Showing where I am with the hardware. Most of the hardware was covered in part one of this project (See below) 01:17 Top level code design. Things changed a little as I built the code. I did more in the initial startup to process all the SkyField data, and added quiet a bit of error catching for the GPS class (It kept blowing up). 02:40 Walking through the thinking for the translation between data for the gimble servos and the astronomical apparent co-ordinate system I use for positioning the laser. 05:12 The code design for the Gimple class and walk through of the resulting code. 08:45 The calibration setup I used to set the gimble servo ranges (Set in settings.json). 09:22 I skip ahead a couple of weeks and walk through the final code. 09:56 A demonstration of the menus and the system working using the final code. 10:49 An explanation of the two github links I provide below. 11:49 A look at the celestralManager.py class, and the SkyField module used for all the astronomical calculations. 19:22 A look at the main skyLaser.py code 25:08 A look at my most recent Scamp trip to Promised Land State park where I tried out the sky laser. References Github: https://github.com/somervda/skylaser Github repository before cleanup: https://github.com/somervda/skylaser/... Part 1 :    • Sky Laser 01   SkyField: https://rhodesmill.org/skyfield/ Pandas Python data manager: https://pandas.pydata.org/docs/index.... Satellite Data: https://celestrak.org/NORAD/elements/... Hipparcos Star Data : https://www.cosmos.esa.int/web/hippar... Planet Data (DE431) - https://naif.jpl.nasa.gov/pub/naif/JU... Constellations: https://sleepopolis.com/education/con... Brandon Rhodes talks about SkyField:    • Skyfield and 15 Years of Bad APIs - Brando...