StaffanEk
Published © CC BY

Skating Robot

A four-legged robot on roller skates.

IntermediateFull instructions provided5,409

Things used in this project

Hardware components

Arduino MKR1000
Arduino MKR1000
×1
Adafruit 16 Channel Servo Driver
×1
Adafruit UBEC DC/DC Step-Down (Buck) Converter
×1
Servos (Tower Pro MG996R)
SG-90 or 9 g servo with the same form factor. Add one more if the US sensor is attached
×16
M3x20 Screw
×4
M3 Nut
×4
M3 Washer
×4
Servo Screw
Extra screws needed, apart from what is supplied with each servo
×4
Breadboard (generic)
Breadboard (generic)
×1
7.4 V / 500 mAh LiPo Battery
×1
Resistor 2.21k ohm
Resistor 2.21k ohm
Add one more if the US sensor is attached
×1
Resistor 1k ohm
Resistor 1k ohm
Add one more if the US sensor is attached
×1
Male-Header 36 Position 1 Row- Long (0.1")
Male-Header 36 Position 1 Row- Long (0.1")
×1
Jumper wires (generic)
Jumper wires (generic)
×1
Ultrasonic Sensor - HC-SR04 (Generic)
Ultrasonic Sensor - HC-SR04 (Generic)
Optional: To add US sensor
×1

Software apps and online services

Blynk
Blynk

Hand tools and fabrication machines

3D Printer (generic)
3D Printer (generic)

Story

Read more

Custom parts and enclosures

Body

The body for the robot

Bumper

Make two of these and attach to the body. Glue in servo horns

Hip inner fl/rr

Make two of these for two hip joints

Hip inner fr/rl

Make two of these for two hip joints

Hip outer fl/rr

Make two of these for two hip joints

Hip outer fr/rl

Make two of these for two hip joints

Hip pin

Make four of these for the hip joints

Thigh

Make four of these and glue in servo horns

Foot first

Make for of these for four foot joints

Foot second

Make four of these for four foot joints

Foot

Make four of these and glue in servo horns

Wheel rim

Make four of these and attach rings as tyres

Assembly

All parts assembled

Sensor bumper

Optional: Replace front bumper with this. Glue in servo horns, attach servo

US sensor attachment

Optional: Glue on servo horn and a US sensor

Schematics

Schematics

How to hook up the electronics on a breadboard

Schematic US sensor and servo

Optional: Connect US sensor and servo like this

Code

Code for the MKR1000

All main functions and the Blynk interface

Credits

StaffanEk

StaffanEk

2 projects • 26 followers
I am a mechanical Engineer born 1970. Designing robots is a hobby of mine since 2015 and I have mostly been working on legged robots.

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