Infrared Proximity Sensor — Sharp GP2Y0A21YK

Infrared prox­im­i­ty sen­sor made by Sharp. Part # GP2Y0A21YK has an ana­log out­put that varies from 3.1V at 10cm to 0.4V at 80cm. The sen­sor has a Japan­ese Sol­der­less Ter­mi­nal (JST) Con­nec­tor. We rec­om­mend pur­chas­ing the relat­ed pig­tail below or sol­der­ing wires direct­ly to the back of the mod­ule.Doc­u­ments:DatasheetBil­dr Tuto­r­i­al