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Introduction

PlottyBot is a project aimed at controlling an XY plotter via a web interface. It uses a combination of PHP and JavaScript for the frontend and Python for the backend, making it a versatile tool for educational and creative projects.

System Requirements

• Raspberry Pi
• Python 3.x
• PHP-compatible Web Server

Installation

1. Flash the SD Card: Use an image flashing tool to write the provided image to an SD card.
2. Insert & Boot: Place the SD card into the Raspberry Pi and boot it up.

File Structure

• /var/www/html: Contains PHP and JavaScript files.
  • command.php: PHP script for plotter commands.
  • calibration.php: HTML file for calibration (no PHP code).
  • javascript.js: JavaScript file for frontend interactions.
• /usr/local/bin/plottybot.py: Python script for running the command server.
• /root/variables.json: Stores working variables across reboots.

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