Make: Robotic Arm Kit - Parts Errata and Corrections

This insert provides corrections to the Bill of Materials (BOM) and text found in the book "Make: Robotic Arms". It addresses several parts with inaccurate sizes or missing listings across the project supplies. The aim is to offer a clearer list of parts needed per project and correct erroneous size references.

Robotic Arm Kit Parts List

The following is a comprehensive list of components for the Make: Robotic Arm Kit:

Arduino and programming cable (1)
Half-Size Breadboard (1)
5V 2A power supply (1)
Barrel jack adapter (1)
Jumper wires (23)*
Micro screwdriver (1)
MG995 servos (4)
MG90s micro servo (1)
Servo Mounting Brackets (4)
Servo Extension Wires (3)
Rotary Encoder Module (1)
Joystick Module (1)
10K Potentiometers (2)
Push-buttons (4)
M2 x 10 mm bolts (2)*
M2 Nuts (2)*
M3 x 10 mm (mf) standoffs (4)
M3 x 25 mm (ff) standoff (1)
M3 x 30 mm (ff) standoffs (4)
M3 x 50 mm (ff) standoffs (2)
M3 x 3 mm spacer (1)
M3 x 5 mm spacers (3)
M3 x 5 mm bolts (16)*
M3 x 10 mm bolts (45)*
M3 x 16 mm bolts (2)*
M3 x 20 mm bolts (3)*
M3 Lock Nuts (26)*
M4 x 10 mm bolt (1)*
M4 Lock Nut (1)*
8mm bearings (6)
16mm bearings (2)

Laser-cut Acrylic Parts:

Laser-cut Top & Bottom Etched MDF Plates (2)
Laser-cut Robotic Arm Acrylic Parts Pack:
- Two Link Robot (Servo Link) (1)
- Two Link Robot (Servo Base Link) (1)
- Four Link Robot (Servo Base Link) (1)
- Four Link Robot (Arm Links) (2)
- 3 DOF Robot Base (Servo Bottom Plate) (1)
- 3 DOF Robot Base (Servo Side Panels) (2)
- 3 DOF Robot Link 2 (Side Servo Extension) (1)
- 3 DOF Robot Link 2 (Side Extension) (1)
- 3 DOF Robot Link 3 (Part 1 Servo Side) (1)
- 3 DOF Robot Link 3 (Part 2 Bearing Side) (1)
- 3 DOF Robot Gripper Base (1)
- 3 DOF Robot Gripper Parts:
  - Gripper Cog Components (2)
  - Slanted Finger Pieces (2)*
  - Straight Finger Pieces (2)*

*Includes an extra one or two pieces of these starred parts.

Parts Errata Notations

Chapter 1

Project 1

Supplies List Text Changes: Jumper Wires (6), 5V 2A power supply (1), Micro screwdriver (1), MG995 servo (1), Arduino and programming cable (1), Barrel jack adapter (1), Breadboard (1).
Main Text Changes: None.

Project 2

Supplies List Text Changes: Jumper wires (10), 5V 2A power supply (1), Micro screwdriver (1), MG995 servo (1), Arduino and programming cable (1), Barrel jack adapter (1), Breadboard (1), Push-buttons (2).
Main Text Changes: None.

Project 3

Supplies List Text Changes: Jumper wires (9), 5V 2A power supply (1), Micro screwdriver (1), MG995 servo (1), Arduino and programming cable (1), Barrel jack adapter (1), Breadboard (1), Potentiometer (1) is also spelled wrong here.
Main Text Changes: On page 29, in the sample code section, one of the "p"s in println isn't yellow.

Chapter 2

Project 1

Supplies List Text Changes: Jumper wires (9), 5V 2A power supply (1), Micro screwdriver (1), MG995 servo (2), Servo Mounting Bracket (2), Arduino and programming cable (1), Barrel jack adapter (1), Breadboard (1), M3 x 30 mm (ff) standoff (4), M3 x 10 mm (mf) standoff (4), M3 x 10 mm bolt (17), M3 Lock Nut (8), M3 x 5 mm bolt (9).
Main Text Changes: On step 11 (page 35), it says "four more bolts" it should say, "4 more M3x5mm and 1 more M3x10 in the center of the motor mount".

Project 2

Supplies List Text Changes: Assembled Two-Link Robot, Additional Jumper wires (9), 5V 2A power supply (1), Micro screwdriver (1), Arduino and programming cable (1), Barrel jack adapter (1), Breadboard (1), Push-button (4).
Main Text Changes: None.

Project 3

Supplies List Text Changes: Assembled Two-Link Robot, Additional Jumper wires (6), 5V 2A power supply (1), Micro screwdriver (1), Arduino and programming cable (1), Barrel jack adapter (1), Breadboard (1), Potentiometer (2).
Main Text Changes: None.

Chapter 3

Project 1

Supplies List Text Changes: Assembled Two-Link Robot.
Main Text Changes: None.

Project 2

Supplies List Text Changes: Assembled Two-Link Robot.
Main Text Changes: None.

Chapter 4

Project 1

Supplies List Text Changes: Jumper wires (9), 5V 2A power supply (1), Micro screwdriver (1), MG995 servo (2), Servo Mounting Bracket (2), Arduino and programming cable (1), Barrel jack adapter (1), Breadboard (1), M3 x 30 mm (ff) standoff (4), M3 x 3 mm spacer (1), M3 x 10 mm bolt (18), M3 Lock Nut (11), M3 x 5 mm bolt (8), M3 x 20 mm bolt (3), 8mm bearing (6).
Main Text Changes: None.

Project 2

Supplies List Text Changes: Assembled Four-Link Robot.
Main Text Changes: None.

Project 3

Supplies List Text Changes: Assembled Four-Link Robot.
Main Text Changes: None.

Project 4

Supplies List Text Changes: Assembled Four-Link Robot.
Main Text Changes: None.

Chapter 5

Project 1

Supplies List Text Changes: Jumper wires (5), Arduino and programming cable (1), Joystick Module (1).
Main Text Changes: None.

Project 2

Supplies List Text Changes: Assembled Four-Link Robot, Additional Jumper wires (5), 5V 2A power supply (1), Micro screwdriver (1), Arduino and programming cable (1), Barrel jack adapter (1), Breadboard (1), Joystick Module (1).
Main Text Changes: None.

Chapter 6

Project 1

Supplies List Text Changes: Assembled Four-Link Robot.
Main Text Changes: None.

Project 2

Supplies List Text Changes: Assembled Four-Link Robot.
Main Text Changes: None.

Project 3

Supplies List Text Changes: Assembled Four-Link Robot, Additional Jumper wires (5), 5V 2A power supply (1), Micro screwdriver (1), Arduino and programming cable (1), Barrel jack adapter (1), Breadboard (1), Joystick Module (1).
Main Text Changes: None.

Project 4

Supplies List Text Changes: Assembled Four-Link Robot.
Main Text Changes: None.

Chapter 7

Project 1

Supplies List Text Changes: Jumper wires (18), 5V 2A power supply (1), Micro screwdriver (1), MG995 servo (4), MG90s micro servo (1), Servo Mounting Bracket (4), Arduino and programming cable (1), Barrel jack adapter (1), Breadboard (1), M2 x 10 mm bolt (2), M2 Nut (2), M3 x 30 mm (ff) standoff (4), M3 x 25 mm (ff) standoff (1), M3 x 50 mm (ff) standoff (2), M3 x 5 mm spacer (3), M3 x 10 mm bolt (45), M3 Lock Nut (26), M3 x 5 mm bolt (16), M3 x 16 mm bolt (2), M3 x 20 mm bolt (1), M4 x 10 mm bolt (1), M4 Lock Nut (1), 16mm bearing (2).
Main Text Changes: There is a ground wire going from the breadboard to the Arduino in Figure 7-2. On page 131, in step 7, it says "5 M3 x 10mm bolts", and it should say "4 M3 x 5mm bolts, and one M3 x 10mm bolt in the center". On page 133, in step 14, it says "35mm" and it should say "25". On page 135, in step 19, it says "M3 x 10mm plastic spacer" and it should say "M3 x 5mm".

Project 2

Supplies List Text Changes: Assembled Three-DOF Robotic Arm.
Main Text Changes: None.

Chapter 8

Project 1

Supplies List Text Changes: Assembled Three-DOF Robotic Arm, Rotary Encoder Module (1), Additional Jumper Wires (5).
Main Text Changes: There is a ground wire going from the breadboard to the Arduino in Figure 8-1.

Project 2

Supplies List Text Changes: Assembled Three-DOF Robotic Arm, Rotary Encoder Module (1), Additional Jumper Wires (5).
Main Text Changes: On page 158, in the void loop section of the code, there is a "d" in digitalRead that is still black, and not yellow.

Chapter 9

Project 1

Supplies List Text Changes: Assembled Three-DOF Robotic Arm.
Main Text Changes: None.

Project 2

Supplies List Text Changes: Assembled Three-DOF Robotic Arm.
Main Text Changes: None.

Project 3

Supplies List Text Changes: Assembled Three-DOF Robotic Arm.
Main Text Changes: None.

Project 4

Supplies List Text Changes: Assembled Three-DOF Robotic Arm, Rotary Encoder Module (1), Additional Jumper Wires (5).
Main Text Changes: None.

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Make: Robotic Arm Kit - Parts Errata and Corrections

Robotic Arm Kit Parts List

Parts Errata Notations

Chapter 1

Project 1

Project 2

Project 3

Chapter 2

Project 1

Project 2

Project 3

Chapter 3

Project 1

Project 2

Chapter 4

Project 1

Project 2

Project 3

Project 4

Chapter 5

Project 1

Project 2

Chapter 6

Project 1

Project 2

Project 3

Project 4

Chapter 7

Project 1

Project 2

Chapter 8

Project 1

Project 2

Chapter 9

Project 1

Project 2

Project 3

Project 4

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