Abstract:-An automatic hand sanitizer are must used to prevent covid-19. An automatic machine is contactless, alcohol based hand sanitizer dispenser. Automatic hand sanitizer that will gurantee a cleanliness and being well in day light better for offices, clinics, school, shopping malls, home and other places. Contactless sanitizer machine has been proposed with ultrasonic sensor. Arduino uno is used to senses the distance and result is pump running to pump out hand sanitizer. Sanitizer containers and pump devices are compatible.

Keyword:- sanitizer, pump, Arduino uno, ultrasonic sensor.

| DOI: 10.17148/IARJSET.2021.86160