Mobileread
Is it reasonable to hack the PW to be a long life clock?
#1  handyguy 12-09-2019, 12:44 PM
My secondary reason to obtain a jail broken PW is to use it as a hacked clock - to permanently display the time (as a screensaver?) updating 1/minute.
Before I go 'all in', wondering if this is a reasonable hack for someone with average hacking skills!?
I presume the basic steps would be:

1) Jailbreak
2) Install the addins
3) Code the clock app in Python, generating updated png files once/minute
4) Add the script to cron

Thanks for the advice!
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#2  Junket 12-09-2019, 12:51 PM
Interesting idea. While I haven't actually done this, it shouldn't be difficult to do on a jailbroken paperwhite.
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#3  ilovejedd 12-09-2019, 12:54 PM
Just a thought. Wouldn't doing this be equivalent to 1,440 page turns per day?
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#4  Junket 12-09-2019, 01:09 PM
Stats race?


The 1,440 page turn reference.. made me think of this old instructable.

But more on point for the OP, not exactly what you proposed doing but certainly worth a look, Yet another clock extension.
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#5  handyguy 12-09-2019, 01:12 PM
At 1440 turns/day, I guess the next question is how long would a charge last at that rate?
I don't mind charging it up periodically, or maybe hacking in a bigger battery...
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#6  issybird 12-09-2019, 01:15 PM
Please report a thread and ask it to be moved rather than repost.
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#7  handyguy 12-09-2019, 01:41 PM
my bad
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#8  j.p.s 12-09-2019, 02:03 PM
Quote handyguy
My secondary reason to obtain a jail broken PW is to use it as a hacked clock - to permanently display the time (as a screensaver?) updating 1/minute.
Before I go 'all in', wondering if this is a reasonable hack for someone with average hacking skills!?
I presume the basic steps would be:

1) Jailbreak
2) Install the addins
3) Code the clock app in Python, generating updated png files once/minute
4) Add the script to cron

Thanks for the advice!
Most people trying to use cron on a kindle never get it to work.
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#9  Junket 12-09-2019, 03:25 PM
Honesty, most people using cron on desktop nix boxes never get it to work either.

But persistence works. I must have wasted a full afternoon squashing cron gremlins in tivo boxes in the day.
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#10  JSWolf 12-09-2019, 03:30 PM
Actually, it's not reasonable to hack a PW to make it a digital clock. You are best to get a lower end Kindle and hack that to be a clock. No need to wast a PW when you can waste an older Kindle.
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