Ilham Qomaruzzaman, Wisnu Adi Prasetyanto, Bayu Wahyudi. Design and Construction of a Blood Type Detection Device with a Color Sensor Based on Arduino Uno. jeei [Internet]. 2025 Jun. 30 [cited 2025 Aug. 21];5(2):179-87. Available from: https://journalcenter.org/index.php/jeei/article/view/5145