Papaya Pathfinder - Open Source ESP32 Rover
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Robust 3D-printable rover with rocker-bogie suspension. Powered by GA25 motors and ESP32. Ready for WiFi or ELRS.
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Model information
- Source
- Printables
- Category
- RC & Robotics
- License
- Creative Commons — Attribution
This is the larger, more robust sibling of the Papaya Pathfinder family. It is a fully 3D-printable rover designed for rougher terrain, featuring high-torque motors and a dedicated power distribution system.
Watch the first field test video here:
🚀 Full Source Code, Wiring & Firmware: https://github.com/tronxi/papaya-pathfinder
⚙ Key Features:
High Torque: Powered by 6x GA25 Gear Motors for superior climbing capability.
Rocker-Bogie Suspension: Keeps all wheels on the ground on uneven terrain.
Robust Power System: Designed for 3S LiPo batteries with separate UBECs for logic (5V) and servos (6V) to ensure stability.
Dual Control Modes: Supports WiFi (Phone/Desktop App) and ExpressLRS (ELRS) for long-range control.
Modular: Easy to modify and attach sensors, cameras (FPV), or robotic arms.
🔧 Bill of Materials (BOM):
1x ESP32 Dev Board
2x High Power Motor Driver
6x GA25 DC Gear Motors (12V recommended)
4× MS24 steering servos
2x UBEC (Step-down converters): One set to 5V (Logic), one to 6V (Servos)
1x 3S LiPo Battery
M3 Screws and Nuts
🖨 Printing Instructions:
Structure: Recommended to print in PETG for outdoor durability, but PLA works for indoor testing.
Tires: Must be printed in TPU (flexible filament) for grip.
The smaller version (Papaya Pathfinder Mini) is available here: