Make: Robotic Arms

152 Make: Robotic Arms

Once you have written, compiled, and uploaded the code, as you

move the encoder’s knob, you should see the value of the counter

increasing and decreasing, as well as printing the message “Button

Pressed!” whenever the encoder’s internal push-button is pressed

(Figure

8-2

).

STEP 3: ADDING OUR MOTORS

Now that we know our encoder is working properly, it’s time to add our

motors back in. Just as before, we’re going to take this one step at a time,

making sure all our motors are behaving exactly as we expect, before we

throw everything together. Let’s begin from the bottom up, and add the code

we need to make our base-rotation ...