Parts seem very high quality, cane quickly and i'm happy with them.

Parts seem very high quality, cane quickly and i'm happy with them.  Read Less

I found this helpful in fine tuning the sensor.

I found this helpful in fine tuning the sensor.  Read Less

The description says 30cm range, and that may or may not be true, but it's definitely not true if you're in bright light.

The description says 30cm range, and that may or may not be true, but it's definitely not true if you're in bright light.  Read Less

5vdc and they are maxing out sensing objects at 10-13 cm.

5vdc and they are maxing out sensing objects at 10-13 cm.  Read Less

Overall, for the price, these are great.

Overall, for the price, these are great.  Read Less

My local electronic store sells two for ten dollars so these are a fantastic deal!

My local electronic store sells two for ten dollars so these are a fantastic deal!  Read Less

Great for how much i paid for them.

Great for how much i paid for them.  Read Less

4cm8, each module is shipped potentiometer adjusted threshold comparator voltage.

4cm8, each module is shipped potentiometer adjusted threshold comparator voltage.  Read Less

Each unit was packaged and sealed in a static bag and all were over packed in one bag.

Each unit was packaged and sealed in a static bag and all were over packed in one bag.  Read Less

My experience with these is similar to some other users where the advertised range is overly generous.

My experience with these is similar to some other users where the advertised range is overly generous.  Read Less