MakerBot Print is our newest print-prepration software, which supports native CAD files and STL assemblies,
allows you to interact with all your printers via the Cloud, and many other exciting new features.

Download Now

Report as inappropriate

The resistance at the screw terminals came out to 1.4 ohms. When I plug the power I do see the Arduino light come on, then after about 5 seconds I see the light on the mosfet turn on. I measured the voltage on the mosfet and it read .011 as soon as I plugged it in, then when the light came on, the voltage went up to .333 volts. I had the meter on auto range, so I hope that range is correct. one thing I forgot to mention on my first post is that when I had finished assembling everything and was testing it, there was a small short. One wire strand (positive) from the 12v power supply made contact with the negative wire and made a clicking noise. after that all the LEDs turned off and motor did not turned. after disconnecting the power, and fixing the cable, I plugged it back in and everything worked again. not sure if that burnt something on the board. I didn't put the smart motor before that, so i'm not sure if it worked before that wire short.

i'm editing this post because when I touch the mosfet with just one lead from the multimeter I get around 4.2 volts.