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Monitor Controls All, ThinCade: (part 5)

Posted by pboland, in ThinCade 09 March 2019 · 49 views

Mame Pi zero arcade DIY

Keep in mind, though the cost is fairly low for the parts, much of my time and energy went into research for the most efficient (i.e. cost effective) way to connect and power everything. I really didn’t want a bunch of different power supplies for all the different piece of the build. 
 
The monitor is the key to the whole system. The main reason I decided on the Dell monitor was because of the built in USB powered hub and the 12 volt DC supply output (designed by Dell to power your speaker system). 
 
The 12 volt DC supply powers the audio amplifier and the lights on the coin mech. The USB hub is used to not only connect the data paths between the PI, Audio card, and Joystick interface, but it is also used to power the PI itself. 
 
Both the 12 volts and the power to the USB hub are switched on/off by the power switch on the monitor. 
 
It is this set-up that I will use for all of the arcade games that I build.
 
To better illustrate this I’ve made this diagram:
 

Attached Image

 

More to come soon...






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