SMARS QUAD ROBOT Wiring Diagram

SMA SR

QUAD ROBOT
WIRING DIAGRAM

Connect the Servos to the servo driver board using the corresponding port numnbers as shown below.

Servo 1 Top Left Foot

Servo 2 Top Left

GND

OE

SCL

SDA

VCC

V+

POWER

PCA9685

16x12-bit PWM

0 1

2 3

4 5 6 7 8 9 10 11 12 13 14 15

V+

PWM

GND

GND

A5 A4 A3 A2 A1 A0+RW

I2C Address

(Open=0/Closed=1)

V+

Servo 5 Back Right Foot

Servo 6 Top Right

GND

OE

SCL

SDA

VCC

V+

Servo 3 Back Left Foot

Servo 4 Back Left

2

Servo 7 Back Right

Servo 8 Top Right

5

0

3

1

4

6

7

Base

FRONT

SMARS - the Screwless Modular Assembleable Robotic System.

To download the files visit https://www.thingiverse.com/thing:2755973

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SMA SR

QUAD ROBOT
PRINT PARTS

The following instructions show how to assemble the SMARS Quad Robot. A bill of materials is provided at
the back of this guide along with links to where to buy the components from. Links to the 3d printed
parts are also provided at the back of this guide.

1

Print the frame

3

Fit the servo into the servo holder

SG90
Servo

x8

2

Print 4x Servo holder & 4x Servo holder M (M is
a mirror image of the servo holder)

Print the servo holders

4

Fit the servo holders into the frame

Servo Holder Servo Holder M

SMARS - the Screwless Modular Assembleable Robotic System.

To download the files visit https://www.thingiverse.com/thing:2755973

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QUAD ROBOT
FITTING SERVOS

SMA SR

5

Print the servo arms

7

Ensure the servo can move equally in each
direction before tightening the screw.

Check the servo rotation

6

x4

Mount the servo holder in the servo arm

Insert the servo
horn onto the

8

Attach the other servo holders to the frame

SG90
Servo

servo and screw
in securely to
the servo arm

SMARS - the Screwless Modular Assembleable Robotic System.

To download the files visit https://www.thingiverse.com/thing:2755973

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