What You Get
STL files (all parts)
Arduino code
Mobile app (APK)
Wiring diagram
3D print settings
Everything in one ZIP file after purchase
Included in Your Download
Wiring
Diagram
Wiring
Diagram
Wiring
Diagram
Assembly
Instruction
Assembly
Instruction
Assembly
Instructions
Key Features of the Arduino Claw Arm Wireless Car
Educational design tailored for STEAM learning and robotics exploration
WiFi-based control using hotspot and IP interface
Three-part mechanical arm with vertical, horizontal, and claw articulation
Mecanum wheels for omnidirectional movement across varied terrain
Downloadable STL files for 3D printing; no supports required
Modular assembly using standard M3 screws and bearings
Servo configuration includes SG90/MG90S for claw and MG995 for arm joints
Compatible with Arduino IDE and expandable with sensors or FPV camera
Optimized for 220×220×250mm 3D printers; approximately 2 hours assembly time
Capable of lifting up to 400 grams safely; performs well on rough surfaces
Take hands-on learning to the next level with the Arduino Claw Arm Wireless Car – a fully customizable, WiFi-controlled robot designed for STEAM education, DIY enthusiasts, and robotics explorers. Inspired by the DJI Robomaster EP Core, this omnidirectional robot combines mechanical precision, wireless control, and 3D-printed modularity for an immersive building and programming experience.
Mobility Meets Manipulation
• Mecanum Wheels enable smooth omnidirectional movement across varied terrain
• Servo-powered Claw Arm mimics human-like articulation with vertical, horizontal, and gripping motion
• WiFi Connectivity allows remote control via hotspot and IP interface
Educational Powerhouse
• Ideal for classrooms, makerspaces, and personal projects
• Supports Arduino IDE for custom programming and AI integration
• Demonstrates real-world engineering principles: torque, load distribution, and servo control
Build & Assembly Highlights
• 3D Printable Parts: STL files included for claw and arm (no supports required)
• Print Time: ~42 hours at 30% infill, 0.2mm layer height
• Material: PLA or ABS; optimized for 220×220×250mm printers
• Assembly Time: ~2 hours with clear screw mapping and servo placement
Mechanical Design
• Arm consists of base, vertical, and horizontal segments
• Claw opens/closes with a single servo; reinforced with servo brackets and bearings
• Servo tester recommended for angle calibration
• Modular screw types ensure smooth movement and secure fi
Electronics & Wiring
Servo wires routed through central chassis holes
Circuit wiring follows downloadable schematic
Optional FPV camera mount powered via 5V output
Claw Grabber
3D Printer Required
220*220*250 mm
Omnidirectional Movement
Omnidirectional Movement
Performance & Testing
Operates via WiFi hotspot; IP-based control interface
Capable of lifting up to 400 gm safely
Performs well on rough surfaces; limited sideways motion off-roa
Lift Movement
Lift Movement
Forward Movement
Forward Movement
Center Rotation
Tested with 400 gm payload
Parts Included in the STL File
Curious how it works? Catch the full video here
This “Arduino Wifi Car With Claw Arm” is a downloadable product that contains Six ZIP files containing all the STL files for 3D printing your Car & Claw-Arm at home.
The ZIP folder name and contents are given below.
| Downloadable Folder Name | Contents |
|---|---|
| Wifi Car STL File | 9 STL Files for Car Body |
| Claw Arm For Arduino Car | 15 STL Files For Claw-Arm |
| Wifi Car Mecanum Wheel (FREE) | 4 STL Files For Mecanum Wheels |
| Wifi Car Code (FREE) | 1 INO Files Containing Car Code |
| Wifi Car Mobile App(FREE) | 1 APK File For Android Mobile TO Control Car |
You can also read our blog on the Arduino Claw Arm Wireless Arm
Arduino Claw Arm Wireless Car – All Files Downloadable
| Motor ×4 | 12V DC Gear Motor link |
| Motor Driver ×2 | L298N link |
| Microcontroller | ESP8266 link |
| Servo Motor | SG90 180° link |
| Servo Motor ×2 | MG995 180° link |
| Charging Input | 12V Female DC Jack link |
| Rocker Switch | On/Off Switch link |
| Battery Management System | 3S 20A link |
| Battery Charger | 12V 2A link |
| Lithium-ion Cell ×3 | 18650 Rechargeable Cell link |
| 18650 Cell Case | 3-Cell Holder link |
| 3D Printer | 220×220×250 mm build volume |
| Nuts and Bolts | M2.5 & M3 sizes (various lengths) |
| Accessories | Silicon wires, cable zip tie, heat shrink tube, soldering iron |
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