My modules are ready to rock but I’m still waiting on a shipment of ribbon cables and I don’t want to wait. I have a few jumper cables I can daisy chain - can I just plug in a +12, a -12 and a ground and see if it works? Why are there two pins for each voltage in the power pinout?
Is this a terrible idea and I should wait until the ribbons show up? I’m antsy.
You totally can use only 3 wires to power your module, just triple check the polarity and your connections before power it up! There are two pins to lower contact resistance, hence allowing more current. (and maybe also for symmetry…)
There are two pins for each of ±12 V, and six pins for ground, because the wires in the ribbon cable are so thin; using multiple wires allows higher currents. But unless the module’s a real current hog, three wires (especially if they’re larger than 28 AWG) should work okay at least for testing.
saw the " Power Without Ribbon Cables " and thought it was going to be some kind of Tesla thing .
i made all mine like this for my modular
Yes have at it if you cannot wait. Just do like others have said make sure you have the proper polarity. There is a +12v/Ground/-12v rail. They are used because op-amps and other IC chips need a Separate -12v/+12 Rail to function properly.
On the right that is a power breakout board. That I made for powering my 12v DSO 138 Oscilloscope and function generator kit too adapt too my euro rack power supply.
Project:EuroRack 9V/12V Pedal Regulator Breakout Board
