One is the Vcc, other is the GND, and the third is the SIG pin. Of Arduino and the circuit is powered with 12 volt DC adapter. In the circuit, Arduino Nano is used and Bluetooth module HC-05 is connected to it. Programmable Robot Arm – Press and Release Characters Switch Press and release characters are shown in the table given below. This same process is also used when yellow buttons are pressed, but this time the servo motor rotates one degree in the anticlockwise direction. If button is not released servomotor moves one degree in next cycle. When a button is pressed, a character is sent through Bluetooth and the Arduino rotates the servo motor one degree in one cycle. First is the press character and the second is the release character. When the red button is pressed it sends two types of characters. Four buttons are used for each servomotor. As soon as the Arduino receives the character, its command is identified and rotates the servo motor accordingly.įor clockwise rotation of servo motor the red button in the application is to be pressed. When a button is pressed it sends a unique character to Arduino via Bluetooth. Out of eight buttons, four buttons are Red and four are Yellow. The Bluetooth app interface is shown in the figure below. One button is used for clockwise rotation and other is used for anticlockwise of the mini robot arm. Out of these, four buttons are used to control the four servo motors. There are eight buttons in the android app. Servomotors are controlled by Arduino and connected to the PWM pin of Arduino. The mini-robot arm uses four servomotors to move the arm. The communication between mobile phone and servo robot arm is done by Bluetooth module HC-05. The servo motor for robotic arm is controlled by android mobile. The whole circuit is powered by 12-volt adapter and an Arduino Nano is used as the controlling unit. The movement of parts is done by servomotor, which can rotate approximately up to 190 degrees. There are numerous types of robotic arm used in industries but going to give you details on a basic prototype. It is also using in nuclear power plants and in toxic atmosphere The programmable robotic arm finds extensive applications in its use in extreme conditions like space mission or underwater expeditions. We are introducing the basic concepts of an Arduino controlled robotic arm project. Out of the lot, a simple robotic arm is one of the most commonly installed machines. A onetime installation of such a device may cost a huge amount, but in the long run, will turn out to be more profitable that manual labor. Nowadays, manual labor is being reduced at big scale industries and factories to increase efficiency and gain profit by installing robots that can do repetitive works.
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