ESP32 Setup Guide

Step 1: Install Arduino IDE

Download from arduino.cc

Step 2: Add ESP32 board

1. File → Preferences
2. Add URL: https://raw.githubusercontent.com/espressif/arduino-esp32/gh-pages/package_esp32_index.json
3. Tools → Board → Boards Manager → Search "ESP32"

Step 3: Install Libraries

• ArduinoJson (by Benoit Blanchon)
• PubSubClient (for MQTT)

Step 4: Flash Firmware

Copy code from OceanRemote dashboard → Upload