Terrain-Adaptive Quadruped Robot with Arduino Mega & 8 Servos Kit
Build a Terrain-Adaptive Quadruped Robot with Arduino Mega and 8 Servos
Every part needed, pre-tested for compatibility, with an AI build companion trained on this exact project. Shipped from Bengaluru in 3-5 days.
This isn't a toy that shuffles in a straight line. You'll build a servo-driven quadruped that reads the ground beneath its feet and actively adjusts each step. The result is a robot that can navigate grass, gravel, and inclines with a stable, alternating gait. Powered by an Arduino Mega, an MPU6050 inertial measurement unit, and a dedicated servo driver, it's a complete introduction to legged locomotion for the serious maker.
What You'll Build
You'll assemble an eight-servo walking robot with an Arduino Mega brain, a PCA9685 servo controller for precise timing, and an MPU6050 to detect pitch and roll. Once built, you'll watch it walk forward, adjust its stance on slopes, and maintain balance on uneven surfaces. The acrylic body plates keep it light, and the 7.4V LiPo pack gives it untethered mobility.
What You'll Learn
- Inverse kinematics for a four-legged gait with alternating support
- Reading and filtering MPU6050 accelerometer and gyroscope data
- Controlling multiple servos simultaneously via I2C using a PCA9685 driver
- Closed-loop terrain adaptation: adjusting servo angles based on real-time orientation
Kit Contents
| Component | Quantity |
|---|---|
| Arduino Mega 2560 | 1 |
| MPU6050 | 1 |
| PCA9685 Servo Driver | 1 |
| MG90S Servo | 8 |
| 7.4V LiPo 2000mAh | 1 |
| LM2596 Buck Converter | 1 |
| 100nF Caps | 10 |
| 4.7k? Resistors | 5 |
| PCB Prototype Board | 2 |
| Acrylic Body Plates | 1 |
| M2 Bolts+Nuts | 40 |
| Soldering Iron | 1 |
| Solder Wire | 1 |
Why Buy This Kit Instead of Sourcing Parts Separately
| Factor | Sourcing Separately | Compoden Kit |
|---|---|---|
| Compatibility checks | You verify every part (servo torque, voltage levels, I2C addresses) | Pre-tested Mega-MPU6050-PCA9685 chain for stable I2C communication |
| Build support | Forums and scattered GitHub repos | AI companion trained on this exact project |
| Time to first working build | Days of debugging servo calibration and gait | Hours, with step-by-step guidance |
| Shipping coordination | Multiple sellers, multiple delays | One shipment from Bengaluru in 3-5 days |
Who This Kit Is For
Ideal for B.Tech ECE and mechanical engineering students working on robotics projects, Smart India Hackathon teams tackling terrain navigation challenges, and college robotics clubs building advanced walking platforms. If you've done basic Arduino projects and want to move from wheeled to legged robots, this kit bridges the gap. It's also a strong foundation for final-year projects at IIT, NIT, VIT, or BITS.
Built and Backed by Compoden
Every Compoden kit ships with an AI build companion trained on this exact project - accessible via a QR code on the box, with WhatsApp and email backup. We've spent 10 years building projects for makers, schools, and institutions across India. If a part fails because of a manufacturing defect, replace it free within 7 days.
What if I get stuck during the build?
Scan the QR code to chat with the AI companion trained on this quadruped's code, wiring, and calibration. If you need human help, WhatsApp or email our support team-typical response under 4 hours.
Does this kit require soldering?
Yes, the kit includes a soldering iron and solder wire. You'll solder headers, the buck converter, and sensor connections onto the prototype boards. The AI companion includes soldering tips specific to this build.
What terrain can this quadruped handle?
With MPU6050 feedback, it adjusts step height on carpet, grass, and gentle slopes up to 15 degrees. It's not designed for deep sand or extreme angles, but you can tune the gain in code for your surface.
Do I need prior robotics experience?
This is an advanced kit. Familiarity with Arduino IDE, basic C/C++, and reading sensor datasheets is assumed. If you've built an obstacle-avoiding bot before, you're ready.
Eight servo quadruped with alternating gait. MPU6050 adjusts step height on uneven terrain.
What's in this kit
Choose your assembly option:
- Soldering Kit - 25W soldering iron, 60/40 solder wire, flux, and small perfboard for permanent assembly.
- Breadboard Combo - 800-point full-size breadboard with 65-piece jumper wire pack for solderless prototyping.
Shipping Information
- Prepaid Orders: ₹75 for orders up to ₹999, FREE shipping above ₹999
- COD Orders: ₹125 shipping + ₹50 COD fee = ₹175 total
- Delivery Timeline: Dispatch in 1-2 days, delivery in 2-7 days depending on location
Returns & Warranty
- 7-Day Return: Manufacturing defects only (approval required)
- Warranty: 7 days from delivery
- Non-Returnable: Batteries, consumables, cut wires, clearance items