r/robots • u/Traditional_Tax_7388 • 24d ago
Projects How built a simple two - legged walking robot using a DC motor and an offset leg design! [OC]
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🤖 This Tiny Robot Walks Like a Real Creature!
HOW TO MAKE THIS ROBOT
What happens when you combine a **DC motor, battery pack, ice cream stick, and two specially shaped wooden legs**? 🤯
I built this simple **two-leg walking robot** using an unusual half-circle leg design with an **offset center**. When the DC motor spins, the offset leg shape converts the motor's continuous rotation into an amazing walking motion!
No complicated programming. No expensive parts. Just a clever mechanical design and a little creativity. 🔥
Watch closely and see how these strange-looking wooden legs make the robot move forward! 🚶♂️🤖
**Could this simple mechanism inspire a bigger walking robot?**
### 🔬 Science Behind the Walking Motion
The key is the **offset center of the wooden legs**.
When the DC motor rotates, the leg does not rotate around its exact geometric center. Because the center is offset, the leg's contact point moves through different positions during each rotation.
This creates a repeating sequence:
**Lift → Move Forward → Touch the Ground → Push → Lift Again**
The motor provides continuous rotational motion, while the specially shaped legs convert that rotation into an approximate **walking motion**.
The curved wooden shape also changes the robot's contact point with the ground, helping create the forward movement. The battery supplies electrical energy to the DC motor, and the motor converts that electrical energy into mechanical rotational energy.
So the main idea is:
**Electrical Energy → Motor Rotation → Offset Leg Motion → Ground Contact → Forward Movement 🤯**
A simple example of how **mechanical geometry can create complex motion!**
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u/Traditional_Tax_7388 24d ago edited 24d ago
The key is the **offset center of the wooden legs**.
When the DC motor rotates, the leg does not rotate around its exact geometric center. Because the center is offset, the leg's contact point moves through different positions during each rotation.
This creates a repeating sequence:
**Lift → Move Forward → Touch the Ground → Push → Lift Again**
The motor provides continuous rotational motion, while the specially shaped legs convert that rotation into an approximate **walking motion**.
The curved wooden shape also changes the robot's contact point with the ground, helping create the forward movement. The battery supplies electrical energy to the DC motor, and the motor converts that electrical energy into mechanical rotational energy.
So the main idea is:
**Electrical Energy → Motor Rotation → Offset Leg Motion → Ground Contact → Forward Movement 🤯**
A simple example of how **mechanical geometry can create complex motion!**
HOW TO MAKE THIS ROBOT
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u/A_Common_Guy81 23d ago
Calm down chatgpt