Abstract :
The more rapid advancement of the technological era, the industrial world is
required to make significant advances in any field to support the productivity of the
industry itself, both in terms of human resources, equipment, production, etc. One of the
supporting productivity in terms of tools is the crane. So the author wants to design a
hoisting crane with a control system that uses android.This control system utilizes
bluetooth on a smartphone. Then the incoming signal will be processed by Arduino as
the control center. the signal given from Arduino is sent to the relay to run the motor.
This control system can be run independently for each motor that will be controlled by
the user with the Android smartphone application that is already available. The farthest
distance testing of the Bluetooth HC-05 connection is 10 meters, when a distance of
more than 10 meters the Bluetooth connection will be automatically disconnected. The
farther the distance to connect Bluetooth, the time needed to connect will be longer.