General Category > TMC3in1 FAQ

Do I need to power the ESS?

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Beginner:
I see the TMC3in1 plugs directly on top of the ESS (per the manual). Do I need to power the ESS as I did when I used it stand alone?

RandyRay:
No!  Please do not provide power to the ESS via J6!  The TMC3in1 will power the ESS through 2 pins on the expansion header.  Also do not place the jumper on the ESS’s J4 next to Port 3 when you are assembling it.  In addition, do not power the ESS through Ports 1 or 2 with a BOB.  However, you may power the BOB from the ESS/TMC3in1 if it is low current.

Once the TMC3in1 is plugged into the ESS, all power is connected to the TMC3in1. The TMC3in1 generates the correct power for the ESS.

Randy

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