Make: Robotic Arms

Project 2

Testing Our Four-Link Robotic Arm:

Intro to the For Loop

Supplies

• Jumper wires (7)

• 5 V 2A power supply

(1)

• Micro screwdriver

(1)

• MG995 servos (2)

• M3 x 10 mm bolts

(16)

• M3 x 20 mm bolts

(3)

• 8 mm bearings (2)

• Arduino and

programming cable

(1)

• Barrel jack adapter

(1)

• Breadboard (1)

• M3 x 25 mm

standoffs (4)

• M3 x 5 mm bolts

(10)

• M3 locknuts (11)

• 3 mm spacer (1)

74 Make: Robotic Arms

WHAT ARE WE BUILDING?

Now that we have completed our second robotic-arm design, it’s a good idea

to run a few tests to make sure the motors and links are moving as expected.

In our first few examples of writing code, we have seen that getting ...