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> FADU F-stop Enlarger Timer App for Android |
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Published by Bob
20th August 2018 |
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#1
By
Bob
on
20th August 2018, 08:55 PM
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To answer some common questions:
1) Uploading the new firmware to the Sonoff S20 wi-fi socket uses the Arduino IDE so can be performed with Windows, Linux and Mac operating systems. I only have experience of the IDE used in Windows so cannot assist in setting up the Arduino IDE for other systems but I am certain this is well documented online. 2) You may need to check that the FTDI board you wish to buy will work with your operating system but I believe the FTDI adaptor boards can be used with any OS assuming the correct drivers are available. Cheers, Bob. |
Last edited by Bob; 1st February 2019 at 08:03 PM..
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#2
By
Bob
on
21st August 2018, 12:21 AM
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FADU F-stop Enlarger Timer Source Code
The App Inventor 2 project code and manuals are now at: https://github.com/filmanddarkroom/FADU_Timer
The main branch holds the current release as available from the google Play store and the wip branch holds the latest development version - this may be unstable - check the notes. |
Last edited by Bob; 23rd March 2019 at 06:38 PM..
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#4
By
ianbarber
on
21st August 2018, 10:21 PM
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Thanks for the project Bob. I shall be ordering the FTDI adaptor tomorrow to have a play with it.
This takes me back to my Radio Ham days when I used to build all my own receivers and transmitters. It will be nice to get the soldering iron warmed up again and the AVO out of its case. |
#5
By
Bob
on
22nd August 2018, 08:04 PM
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Quote:
Have fun, Bob. |
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#6
By
Bob
on
26th August 2018, 06:56 PM
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FADU F-stop Enlarger Timer App for Android
26-Aug-2018 update: * Updated Appendix 3 which now has most of the necessary details (probably too much detail) to reprogram the Sonoff S20 firmware. * Attached a PDF version of the manual to the article. Still some stuff to add. |
#7
By
tillari
on
9th September 2018, 01:36 PM
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Sound at the end
Thanks Bob for this job!
I’m using the app, but not for the enlarger. I’m using it to control the time for the developer, stop and fixer baths. For this case, it would be very useful to have a louder sound when the timer finishes. Thanks a lot! Ariel |
Last edited by Bob; 1st October 2018 at 05:11 PM..
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#8
By
Bob
on
1st October 2018, 05:11 PM
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App updated to work to 1/10th of a second increments.
Fro the next update I am working on a better & faster way to do test strips so it beeps at you to move the mask to cover the next strip instead of you having to manually advance the timer to the next step. Also need to add a 3-second count-in to give users a chance to get ready before the countdown starts. |
Last edited by Bob; 2nd October 2018 at 08:47 AM..
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#9
By
Bob
on
2nd October 2018, 08:46 AM
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Quote:
Interesting observation. I find the final beep a little too loud if I have the ticks at the right volume for me - but my hearing is not great so it may be my poor hearing at fault. If anyone else has the same issue, please let me know. I will investigate the options. Yes, good point - the memories in the FADU timer will let you preset times for paper processing. It will not auto-step to the next process step like a proper process timer but it's definitely an option. Cheers, Bob. |
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