Arduino based control of the Food and Water Conveyance Systems of a Refractance Window Dryer Raymonds Mutumba1, Julia Kigozi1*, Peter Tumutegyereize1, Shaffic Ssenyimba1 and John Muyonga2 Abstract A refractance window dryer with a 14.5kg/hr throughput capacity was developed to effectively dry food product of 3mm on the conveyor belt. For