Build your own robot like a Ninja 🐱👤

This is the first emotional modular Arduino opensource humanoid robot that can walks & rolls!

Otto Ninja can walk, transform, roll, show emotions, dance, sense motion & objects

Features

• 👣 Walk & dance
• Transforms quickly from 🦿 biped into a 🚗 wheeled robot 
• 🦾 It can rotate its arms and 🤖 head
• 🗡 Ninja sword for battles
• 👩💻 Simple Programming with Otto Blockly or Arduino
• ⚙ Metal high performance quality gear servos
• 🦇 Avoid obstacles with ultrasonic sensor
• 👀 LED matrix emotional eyes to swap
• 👀 Can swap to OLED eyes
• 🔊 Makes emotional sounds and melodies
• 👇 Button for interactions
• 📱 Wireless communication – for remote controlling  

Print instructions

If you bought a Builder kit you can skip ahead but if you have the Maker kit you have to 3D print the parts, but Otto is very well-designed for 3D printing, so won't give you trouble if you follow this common parameters:

Recommended using an FDM 3D printer.
No need of supports or rafts.
Resolution: 0.2 mm or less
Fill density 15%

List of Parts

• Otto Ninja PCB ESP8266 
• Micro USB cable Data Sync 1 m 
• Battery 6F22 Rechargeable Lithium 
• 9V 650mAh with micro USB port
• Switch + UBEC 5V regulator + XH connector + Bat connector soldered
• 5 x Ninja Servo 180° metal gears (it comes with 3 screws)
• 2 x Ninja Servo 360° continuous rotation metal gears (it comes with 3 screws)
• 2 x Oring 68 mm OD 60 mm ID 4 mm
• Ultrasonic sensor HC-SR04 
• Button with headers 
• 2 x 4pin Dupont cable with connector 
• 2 x 3pin Dupont cable with connector
• Buzzer with headers 
• Screwdriver Phillips 2.5X40mm (with magnetic tip)
• 4 x Metal self-tapping screw M2*5 (they must be ferromagnetic)
• Matrix 16x8 LEDs HT16K33
• OLED display 1.3 (OPTIONAL)

Humanoid expansion plastic parts:

• 3D printed Humanoid Lid Black 
• 3D printed Humanoid Head Lid Black
• 3D printed Humanoid Head Base Black
• 3D print Plate Button Black (OPTIONAL)
• 3D print Sword Black 
• 2 x 3D print Shoulders Black
• 2 x 3D print Arms always Pink

You will need to download and 3D print the Ninja Starter base parts from here:
Otto Ninja Starter | Download free STL model | Printables.com

• 3D printed Ankle Left Black 
• 3D printed Ankle Right Black 
• 3D printed Base Black 
• 2 x 3D printed Foot Black 
• 3D printed Inner Bottom Black 
• 3D printed Legs Black 
• 3D printed Starter Lid Black 
• 3D printed Plate Matrix Lid Black  
• 3D printed Plate Ultrasonic Lid Pink 
• 3D printed Band Red 

Build out of the box with this kit HP-Otto Invent Expansion - Creator Kit

How to build 3D guide here in this link

Coding from beginner to advanced

Program Otto Ninja to think on its own using block-based coding with Blockly or C++ with Arduino IDE.

Want to just play? 

Via the kit's wireless communication module, remote control your Otto Ninja by connecting to your mobile or tablet to race or have fun battles!

We invested lots of time and resources to provide open source code, software and hardware, please support this project by just giving us a ❤ Like and share and you are welcome to be a part of this friendly community of robot builders, teachers and makers. 

Join today our Otto Builder community