احمد عوض الله محمد احمد كرارمحمد حسن محمود محمدمحمد احمدغتح الرحمن شريف علييوسف علي عبداللطيف الهاشمي2023-11-132023-11-132021-01-01https://ds.eaeu.edu.sd/handle/10.58971/233in this research has been a controlled design to control cooling and central adaptation of the arduino chip to control air conditioning and regulate temperature and protect the compressor and evaporator , so that it solves the problems of air flow non-stop and the migration of cooling gas to the utility box and the ice is on the evaporator, the controller reads the temperatures of the air review by the temperature and humidity sensor and introduce the required temperatures by variable resistance and the two values are produced on an external screen air conditioning is controlled by stopping and operating the compressors and condensers provided that both the compressors and the condensers work if the sensor reading is greater than the variable resistance income by three degrees and does not stop working unless the sensor reading is less than the variable resistance income by three degrees in order to protect against repeated operation and stop at the same timeother