Papaya Pathfinder - Open Source ESP32 Rover

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: