The innovation of the robot cars today is moving very fast. The robot car is capable of being driven without using manual remote controls. One form of technological development in robot car control is by using hand gestures. The microcontrolle placed in the palm of the hand will read the direction of movement of our hands, then the instructions are transmitted to the robot car. The transmission system used in the microcontrolled circuit in the palm of the hand and the receiver circuit inside the robot car must be properly attached. This is influenced by the quality of programming language levels and the arduino mini pro and MPU-6050 circuits. Hand gesture directional readings are able to be easily readable and directly transmitted by the NRF24L01 module via radio waves. The response power of the robot car in receiving hand-move instructions can be received as far as 45 m. In addition to using a good arduino mini pro, the addition of antenna modules will also increase the quality and distance of the connection is getting farther..
Perkembangan teknologi mobil robot dari tahun ke tahun terus mengalami tingkat kemajuan yang pesat. Di era awal teknologi robotika, pergerakan suatu robot tidak dapat dikontrol manusia dari jarak yang jauh. Saat ini robot tidak lagi dikontrol dengan menggunakan remote kontrol, namun bisa menggunakan perintah dari manusia secara langsung. Dalam penelitian ini dilakukan pengembangan mobil robot mampu berjalan sesuai dengan isyarat tangan atau gestur tangan. Di telapak tangan manusia ditempelkan suatu sensor yang mampu membaca pergerakkan arah atas, bawah, samping kiri maupun samping kanan. Dari pembacaan sensor gestur tangan tersebut, modul tersebut mengirimkan data menuju receiver yang terdapat di dalam robot secara wireless. Selanjutnya, robot tersebut akan menerima data input kendali perintah logika pemograman untuk menentukan aksi berupa gerakan arah robot. Mobil robot tersebut akan bergerak maju, mundur, berbelok kanan, berbelok kiri, maupun berhenti. Kendali isyarat tangan yang digunakan tersebut menggunakan modul sensor MPU-6050 yang ditransmisikan melalui gelombang frekuensi radio NRF24L01. Berdasarkan hasil pengujian, modul sensor tesebut mampu membaca posisi titik sumbu x, y, dan z dengan baik. Hasil kecepatan respon sensor terhadap mobil robot mampu terhubung cepat hanya dengan kisaran waktu selama 0,45s. Selain itu, pengujian rata-rata kecepatan mobil robot tersebut mampu melaju sebesar 3.496,50 rpm sampai dengan 4.596,50 rpm.
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