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 Post subject: Re: Power Control System for RPi Car PC - Arduino Based
PostPosted: Mon Mar 21, 2016 8:41 pm 
Joined: Sun Jun 21, 2015 11:18 pm
Posts: 82
I've got similar project. But I have problem with resetting rpi while engine starts. In newer version of my supply board I will use 5V 1F capacitor, I hope it helps. Will see. Did any of you have got similar problem?


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 Post subject: Re: Power Control System for RPi Car PC - Arduino Based
PostPosted: Wed Mar 23, 2016 10:49 pm 
Joined: Fri Feb 06, 2015 9:27 pm
Posts: 93
@ge-tuscani
https://github.com/bkcsoft/carpwr

contains source-code (and build-scripts) and schematics (kicad required).
pcb is kinda bloated since I'm gonna add more stuff to it.

no guide yet (should be straightforward enough), might write one later on if when I've finished the project.


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 Post subject: Re: Power Control System for RPi Car PC - Arduino Based
PostPosted: Mon Apr 04, 2016 7:22 pm 
Joined: Sun Jun 21, 2015 11:18 pm
Posts: 82
mixalis what did you do to avoid restarting raspberry while engine starts?


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 Post subject: Re: Power Control System for RPi Car PC - Arduino Based
PostPosted: Tue Apr 05, 2016 10:43 pm 
Joined: Fri Feb 06, 2015 9:27 pm
Posts: 93
karolp1993 From the looks of the code, mixalis waits (approx.) 5 seconds before telling the RPi to turn off.


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 Post subject: Re: Power Control System for RPi Car PC - Arduino Based
PostPosted: Mon Apr 11, 2016 11:06 am 
Joined: Sat Oct 03, 2015 12:34 pm
Posts: 66
bkc thats correct ;)


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 Post subject: Re: Power Control System for RPi Car PC - Arduino Based
PostPosted: Sun Aug 14, 2016 11:11 am 
Joined: Sun Jun 21, 2015 11:18 pm
Posts: 82
I don't understand. My problem is, when I'm starting engine, raspberry restarts and start booting again. I think cause is voltage dropout when using starter. So, for example, when you drive and engine stops (bad move on for example) I started engine again and raspberry restarts too. I think how avoid that and hold supply when starter works. I don't know how code helps to that. I'm also using ATTiny13 but with single DC-DC converter to supply whole circuit.


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 Post subject: Re: Power Control System for RPi Car PC - Arduino Based
PostPosted: Sat Aug 20, 2016 6:51 am 
Joined: Sat Oct 03, 2015 12:34 pm
Posts: 66
I made a new circuit, when I will have time I will publish here the new electronic circuit schematic (better than first one...).


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 Post subject: Re: Power Control System for RPi Car PC - Arduino Based
PostPosted: Wed Sep 14, 2016 11:12 pm 
Joined: Wed Jun 29, 2016 8:19 pm
Posts: 2
please post the new circuit. Total noob trying to do this and could use all the help i can get. thanks.


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