利用光敏二极管作为传感器，AT89S52读取采样信号，在2位LED上面显示被测药剂浓度-using photodiode as a sensor, signal sampling AT89S52 read, In two LED above shows the measured concentration of Pharmacy

My project Advanced Hospital Management System includes registration of patients, storing their details into the system and also computerized billing in the pharmacy, and labs. Our software has the facility to give a unique id for every patient and s