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Otto bipedal robot now got arms to look similar to a “Human” and an LED matrix to express emotions. 3D print by yourself and then gather the parts to build by yourself.
Otto is truly Opensource; it means the hardware is easily discerned so that others can make it, Arduino compatible, 3D printable and customizable, the perfect opportunity to build and have your very first robot, learn robotics and have fun, you will learn the logical connection between code and action, and by assembling it, you will understand how its components and electronics work. Visit for more detailed info.
Otto DIY Humanoid walks, dances, makes sounds and avoids obstacles, like the basic but also has 2 arms, one LED matrix to express emotions and a gyroscope to measure orientation and movement for interactions.
Please note that Humanoid is an advanced robot compared to the simple biped Otto, it will require you to have EXPERIENCE BUILDING ROBOTS AND MORE TIME, WE RECOMMEND YOU TO FIRST BUILD THE BASIC Otto DIY AT LEAST, otherwise take it as a challenge :D
Supplies:1 x Nano ATmega328
1 x Nano Shield I/O
1 x cable USB-A to Mini-USB
1 x ultrasound sensor HC-SR04
6 x Micro servo MG90s
1 x Buzzer 24 x Female/Female Jumper Wire
1 x LED Matrix 8x8
1 x sound sensor
1 x touch sensor
1 x BLE Bluetooth module
1 x charger + power booster
1 x Micro Switch Self lock On/Off
1 x Gyroscope sensor (optional)
1 x 3D printed head
1 x 3D printed body
4 x 3D printed legs (2 are the arms)
2 x 3D printed grip
2 x 3D printed foot
1 x Small Phillipis screwdriver 8 x extra M2 screws
Scissors or pliers.
Computer for programming and smartphone for controlling.”

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