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ESP32 Universal Robot

This project involves firmware for an ESP32 connected to an 8-channel relay module. The relay module is utilized to control a Universal Robot as a digital input.

🌟 Features

  • Firmware built with Arduino and PlatformIO
  • Web Application built with React and attached to ESP32
  • API for controlling the relays

Preview

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🚀 Getting Started

Prerequisites

Installation

  1. Clone the repository

    git clone

  2. Create a new file named secret.h in the src folder and add the following code:

     #pragma once

 #define WIFI_SSID "YOUR_WIFI_SSID"
 #define WIFI_PASSWORD "YOUR_WIFI_PASSWORD"

  3. Build and upload the firmware to the ESP32

    pio run -t upload

  4. Build and upload web interface to ESP32 filesystem image

    pio run -t uploadfs

    Dependecies for web interface are installed automatically by PlatformIO when you build filesytem image. For more information about script, check script folder.

📝 Documentation

API

  • GET /ip - Get the IP address of the ESP32
  • GET /status - Get the status all of the relays
  • POST /relay/:id - Set the state of the relay with the specified ID
    • Content-Type: application/x-www-form-urlencoded
    • Body: state ("on" or "off")
  • POST /relay/all - Set state of all relays at once
    • Content-Type: application/x-www-form-urlencoded
    • Bodu: states ["on", "off", "on", "off", "on", "off", "on", "off"] --> just example

✅ To-Do

  • Fix indexing mistake between the UI and the actual relay id
  • Make it using websocket, so the page doesn't need to be refreshed to display real-time relay condition