how can we trace the coin?? can we trace the size??

[lockman_akim]

how to trace the coin??

i just want to know how want to trace the coin?? it is have sensor to detect the coin??

 

[karesz]

Hi,
You can meat some sort of coin sensors.
Often are sensed for the "flying time", weight, size with i.e. eddy current detectors_they can tell too if its maked i.e. from some other metall! ...
K.