Bill, Here is the connector I used on my TUBSUB project for COHO fishing. I have used it to depths of 250Ft. with NO leaks. I hope this might help for your future builds.
Thanks for sharing. Yes I don't have the luxury of a large battery... I'll look into other PICs but I'm not sure the WDT timing is accurate or reliable enough for any real confidence in...
If you use an 16F18326 like I'm using for my remote temperature sensor, and setting the WatchDog timer for the maximum of 18388608 or 256 seconds you can count to 60750 which is still a word size...
One would like to think the pressure and humidity inside the vessel would remain as they were when it was sealed at ambient levels - anything other than this means there's a leak and...
Might I suggest FM24W256 from RamTron. It is an EEPROM with NO write delay and 151 year data retention. I use them on quite a few of my products and have had NO failures at all. They also support...
I'm wondering if it may be beneficial to restrict the project to chips with EEPROM? It seems somewhat tedious to enter all those numbers... and then lose them with a loss of power - intentional or...
Thanks for the suggestions, for best flexibility I think sayzer's second method is the way to go although the first method is one to remember for other projects. That 4k monitor sounds good...
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Re: Low power accurate 6 month timer - suggestions?
Bill, Here is the connector I used on my TUBSUB project for COHO fishing. I have used it to depths of 250Ft. with NO leaks. I hope this might help for your future builds.
Dave - 19th May 2019, 13:42