The ammonia substance produced from chicken manure causes cage odor in broiler farms. Ammonia that is left in the cage greatly affects to the growth and development of broilers. Ammonia levels in the coop should not be more than 5 ppm because it can cause irritation to the eye mucosa and respiratory tract of chickens. The main component of this tool is MQ135 Ammonia Sensor which functions to measure the level of ammonia in the cage, DS18B20 Temperature Sensor functions to measure the air temperature in the cage, L298N Motor Driver is used as an axial fan motor speed controller based on the response of the Proportional Integral Derivative (PID) controller, Arduino Uno functions as the main control in the working system of this tool and Node MCU functions to connect to the internet which will later be connected to Blynk App via a Smartphone. From the test results of axial fan motor rotational speed, the PID parameter value is obtained using the Trial Error method with a value ofKp = 1.0 Ki = 0.0005 and Kd = 0.001 which is able to stabilize the PID output results at setpoint 0.
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