![]() ![]() We do that using the write() function which simply moves the servo to any position from 0 to 180 degrees. The process involves designing and fabricating the arm, installing motors and actuators, and programming the arm to perform tasks. In the setup section we need to initialize the servos and the Bluetooth module and move the robot arm to its initial position. String dataIn = "" Code language: Arduino ( arduino ) SoftwareSerial Bluetooth ( 3, 4) // Arduino(RX, TX) - HC-05 Bluetooth (TX, RX) int servo1Pos, servo2Pos, servo3Pos, servo4Pos, servo5Pos, servo6Pos // current position int servo1PPos, servo2PPos, servo3PPos, servo4PPos, servo5PPos, servo6PPos // previous position int servo01SP, servo02SP, servo03SP, servo04SP, servo05SP, servo06SP // for storing positions/steps int speedDelay = 20 Every part of the arm is handmade from materials. Then we need to define the six servos, the HC-05 Bluetooth module and some variables for storing the current and previous position of the servos, as well as arrays for storing the positions or the steps for the automatic mode. For this project, I built a bionic arm completely from scratch out of inexpensive and recyclable materials. Both of these libraries are included with the Arduino IDE so you don’t have to install them externally. I made a DUMMY ROBOTIC ARM from scratch - YouTube. ![]() So first we need to include the SoftwareSerial library for the serial communication of the Bluetooth module as well as the servo library. The code can be downloaded by navigating the shared drive folders: Project A Robotic Arm > Software > Remote Software. The program is setup so that you only must write your commands, and the rest is done for you. And at the end of this article I will post the complete source code. Download the template Arduino Code for Remote mode and write your code. Arduino Robot Arm CodeĪs the code is a bit longer, for better understanding, I will post the source code of the program in sections with description for each section. As an Amazon Associate I earn from qualifying purchases. Amazon / Banggood / AliExpressĭisclosure: These are affiliate links.
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