The 1016 can be mounted behind a sheet of glass or plastic;
The recommended thickness is 1/8 inch. Use Silicon adhesive when attaching the Phidget to the material; standing the PhidgetCircularTouch off or creating space between the separation material and the Phidget can cause false-triggering to occur.
Use your finger anywhere on this circular touch sensor. This device is an interface kit that will output one Analog channel and two Digital channels. The Analog value represents the position on the circle, one Digital value indicates touch, and the other Digital value indicates proximity.
The CircularTouch plugs directly into the USB port of your PC and comes packaged with a custom 6' USB Cable. The bottom of this board is completely flat and will work through upto 1/4" of glass.