Handsight: Hand-Mounted Device untuk Membantu Tunanetra Berbasis Ultrasonic dan Arduino
Abstract: Generally, blind
people use a cane to know the distance around them. A cane was normally use
when they walk outdoors, but if the cane used in indoors; it is not used
because of fear of damaging the goods-glassware. Another disadvantage of the
stick was usually used just to feel the objects / obstacles below the blinds,
and other obstacles such as cars or trucks, which often not detected by the
cane. Blind people also have constraints to determine the distance of nearby
objects, such as people to talk to, etc. The main component of the system is
sensor HC-SR04 used to scan the surrounding area by emitting ultrasonic waves.
Echoes from objects were use as an input to microcontroller, and then it used
to determine the direction and the distance of objects around the blinds using
the servo arm movement and buzzer sound. The design of the device utilizes the
theory of sound waves velocity in the air, and it was carried out in several
steps. The first step is making the hardware device, which uses sensor HC-SR04,
micro servo Tower Pro, and power supply of nine Volt battery. The test result
shows that the system is able to detect objects with a range of 60 degrees. The
design of the device was valuable because it is wearable which can be attached
to the back of the hands. Conceptually, the device has met the basic criteria
that detect objects and give feedback to the user. Some things that can be
improved are power supply and increasing device responsibility so it is able to
read distance and give feedback more accurately and more quickly.
Penulis: Eko Setyo Purnomo,
Adian Fatchur Rochim, Eko Didik Widianto
Kode Jurnal: jptkomputerdd150514