Introducing the Printalyzer

The Printalyzer is a new project I've been working on for several months now. It aims to become a modern full-featured darkroom enlarger timer and exposure meter. In this video I aim to give a thorough overview of the project and its capabilities. 00:00 - Introduction 03:14 - Project Goals 05:30 - Assembly 15:11 - Demo Time! 22:46 - Advanced Features 34:44 - Wrap Up -- Project Repository: https://github.com/dkonigsberg/printalyzer/ Project-related blog posts: http://hecgeek.blogspot.com/2020/11/introducing-printalyzer.html http://hecgeek.blogspot.com/2020/12/printalyzer-project-update.html F-Stop Timing: http://www.photovisionmagazine.com/articles/fstopprinting.html https://rhdesigns.co.uk/f-stop-printing/ Gene Nocon explains B/W f/stop printing: https://youtu.be/xoAiBNSpg6Y Similar commercial products: RH Designs - Analyser Pro: https://rhdesigns.co.uk/product/rh-designs-analyser-pro-110v/ - StopClock Pro: https://rhdesigns.co.uk/product/stopclock-professional-110v/ - ZoneMaster IIm: https://rhdesigns.co.uk/product/rh-designs-zonemaster-iim/ Heiland Electronic - Splitgrade Controller: https://heilandelectronic.de/splitgrade/lang:en - Splitgrade Comfort: https://heilandelectronic.de/splitgrade_comfort DLG Enlarging Meter / Timer - https://www.dlgelectronics.com/enlarging_meter_timer.html - Project appears to be canceled/abandoned Darkroom Automation F-stop Timer - http://www.darkroomautomation.com/fst.htm - Product appears to be discontinued Darkroom Automation Enlarging Meter - http://www.darkroomautomation.com/em.htm - Just a meter, not part of an integrated solution Crowdfunded projects: MAYA - The Only Darkroom Timer You'll Ever Need - https://www.indiegogo.com/projects/maya-the-only-darkroom-timer-you-ll-ever-need/ - Appears to still be in development Homebrew projects: DIY F/Stop Timer - https://www.brodie-tyrrell.org/fstoptimer/ Homebrew f/stop timer - https://www.photrio.com/forum/threads/homebrew-f-stop-timer.158118/ Arduino AIO Darkroom Timer - https://www.photrio.com/forum/threads/arduino-aio-darkroom-timer.172348/ -- Twitter: https://twitter.com/dkonigs Instagram: https://www.instagram.com/dkonigsberg/ SmugMug: https://dkfoto.smugmug.com/ Flickr: https://www.flickr.com/photos/40232692@N06/ -- Long Stroll by Kevin MacLeod is licensed under a Creative Commons Attribution license (https://creativecommons.org/licenses/by/4.0/) Source: http://incompetech.com/music/royalty-free/index.html?isrc=USUAN1100174 Artist: http://incompetech.com/ CGI Snake by Chris Zabriskie is licensed under a Creative Commons Attribution license (https://creativecommons.org/licenses/by/4.0/) Source: http://chriszabriskie.com/divider/ Artist: http://chriszabriskie.com/ Music provided by Argofox: eccentric - I Can Show You youtu.be/wBt-5mzmVZk Music provided by Argofox: Meizong - Hollowness youtu.be/bHKn0WCUU48