SMURF is a portable and up to date ripeness detection device for oranges. SMURF is a creation of IPB University students from Agricultural and Bio-system Engineering, Faculty of Agricultural Technology (Fateta). SMURF is created by Zhafran Ady Nugroho, Hari Wisesa and Krisetya Febriandi Salomo in Student Creativity Program in Karsa Cipta (PKM-KC). The team is advised by Dr. Ir. Slamet Widodo. SMURF is an abbreviation from Smart Ultraviolet Fluorescence.