I went to canadian tire and purchase a multi-volt AC adapter. You can switch it between 1.5V and 12V, and supply a maximum of 500mA.
I used my breadboard to test the AC adapter with the midibox core module, powering approximately 7V to the core at the VS and VD pins.
I tested the voltage across the VS and VD pins for each of the Jumpers that will power the DOU/AOUT/LCD, etc.
Everything measured at a flat 5V. Voila! it worked!
The next step it to test the LCD and the potentiometer to determine if I am getting midi signals.
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