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Main => Main Forum => Topic started by: leapinlew on September 30, 2018, 01:52:10 am

Title: raspberry Pi poweroff options
Post by: leapinlew on September 30, 2018, 01:52:10 am
I've been tinkering with the idea of rebuilding my bartop Defender. If I do, I'll post a small update in Project Announcements.

The problem with it is that I used a PC on the initial build. It worked fine for a couple years, but 1 reboot and it was dead. I'm fairly sure the windows install is corrupt. It was a tight squeeze putting PC guts in it, so this time around I want to do things different. This bartop only plays Defender (doesn't even play Stargate). I want to be able to power off with a lightswitch and not worry about having to reboot it.


I'd use the pi, if there is a way to power it off without worrying about corrupting the image. The 19-n-1 is pretty rock solid, but I'd prefer to not shell out the $50. One way or another, I got to get this bartop back in business. Is my Rpi knowledge out of date? Is there a way to power it off abruptly and not worry about corruption? If there isn't, I'm going with the 19-n-1.
Title: Re: raspberry Pi poweroff options
Post by: Slippyblade on September 30, 2018, 03:38:35 pm
I like this one.

https://mausberry-circuits.myshopify.com/

I've used em before, very reliable.
Title: Re: raspberry Pi poweroff options
Post by: jimmer on October 01, 2018, 06:52:38 am

How into Defender are you? Do you want to play different versions and different settings, and have separate hi-scores tables?

My view:

19in1:   Untested but I suspect laggy. 1 ROM, 1 hiscore table.
RasPi:   Possible to build a non-laggy setup. Many ROMS/setting/hiscore tables.
PC:       Possible to build a non-laggy setup. Many ROMS/setting/hiscore tables.
JROK:   Non-laggy. 3 Roms x 2 settings


For what it's worth, since turning off disk caching I've been unable to corrupt my windows7 build while testing hard power cuts.


Title: Re: raspberry Pi poweroff options
Post by: leapinlew on October 01, 2018, 09:35:32 pm
Appreciate the thoughtful reply.

Laggy is a good way to describe defender. I'm leaning towards the 19-n-1. It'll be a quick easy conversion and I can't expect my kids to know to power down a computer or a pi.
Title: Re: raspberry Pi poweroff options
Post by: matsadona on October 06, 2018, 11:40:09 am
I have a 19-in-1 dedicated to Defender only in one of my cabinets (with a dedicated control panel with 2-way joystick and the correct  button layout) and it plays fine.
Sure I would rather have a JROK board, but I can't justify the price difference. If I had an original Williams cabinet with a dead board set, sure then it would be a different story.

Since i'm 45 in a couple of weeks my reactions is way beyond any lag that might be in this emulation anyway and since the game is so damn hard I can never blame the emulation of being poor when I die.
Haven't played the original so I can't tell how accurate it is. It is however looking valid but others might have a different opinion.
It sounds good also and boots really fast. No mess with configuration just plug n play.

The big down side however is the lack of high score saving.
Title: Re: raspberry Pi poweroff options
Post by: leapinlew on October 06, 2018, 02:34:07 pm
Good to know. This is the route I plan on going. Thanks.
Title: Re: raspberry Pi poweroff options
Post by: Titchgamer on October 08, 2018, 03:03:15 am
Bit late to the party but I have used mausberry circuits to power cycle my Pi with good success to.

Very easy to install and works perfect.

I used one in my neo geo bartop.

(https://uploads.tapatalk-cdn.com/20181008/25d26b7a1c863d60daa8c85043dd9edf.jpg)

(https://uploads.tapatalk-cdn.com/20181008/f119c1e24ada3793c3b2b2a0b71c1a39.jpg)
Title: Re: raspberry Pi poweroff options
Post by: darthpaul on October 10, 2018, 10:23:51 pm
Mausberry, I've used it in five and counting, RPi projects with no problems.
Title: Re: raspberry Pi poweroff options
Post by: RandyT on October 11, 2018, 12:10:04 pm
Has anyone tried this method (https://www.raspberrypi.org/magpi/off-switch-raspberry-pi/), using just a button connected to the GPIO and some software?  Seems like a simple and cheap solution, if it works.

Of course, you'd need a reset button as well, to bring the power back up without pulling the power cable.
Title: Re: raspberry Pi poweroff options
Post by: javeryh on October 11, 2018, 02:10:36 pm
Quote from: RandyT on October 11, 2018, 12:10:04 pm
Has anyone tried this method (https://www.raspberrypi.org/magpi/off-switch-raspberry-pi/), using just a button connected to the GPIO and some software?  Seems like a simple and cheap solution, if it works.

Of course, you'd need a reset button as well, to bring the power back up without pulling the power cable.

I am planning to try this method:

https://www.youtube.com/watch?v=4nTuzIY0i3k (https://www.youtube.com/watch?v=4nTuzIY0i3k)