Make: Robotic Arms

33Chapter2: Two Degrees of Freedom

STEP 2

Next, we need to program our servos to begin at a specific starting position.

In the next few steps, we’ll see why this is so important. For now, we’re going

to set servo 1, which is connected to digital pin 3, to 90 degrees. Then we’ll

set servo 2, which is connected to digital pin 5, to 180 degrees:

#include <Servo.h>

Servo servoOne;

Servo servoTwo;

void setup() {

servoOne.attach(3);

servoTwo.attach(5);

}

void loop() {

servoOne.write(90);

servoTwo.write(180);

}

STEP 3

Now that we have prepped our motors for installation, it’s

time to construct the wooden base on which all our future

robotic arms will be built. Start ...