Science Buddies: "Ask an Expert"

Hi
We are working on
https://www.sciencebuddies.org/science-f ... #procedure
When we tried first everything worked fine.We were able to turn off the motors in normal light at night.The motors turned on only with the torch light.We also set the potentiometer so that the motors are off on normal lights.
When we try now,the motors do not turn off ,even in dark.Please help.We have to get it resolve fast.
Please let us know.
Thanks
Maliha

Hi Maliha,

I've responded to this question in your post from yesterday.
Please put any additional posts on this topic in that thread.

Thanks,
A. Norman