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ESP32-C3 Super Mini: Real-Time Clock (RTC) & I2C Scanner Demo using Arduino IDE!

Welcome to this hands-on demo where I show you how to connect and test an RTC module (Real-Time Clock) and scan I2C devices using the compact ESP32-C3 Super Mini board. Whether you’re a beginner or an embedded electronics enthusiast, this video will help you confidently connect I2C-based modules and verify communication using Arduino IDE.

📌 In this video:
• Introduction to ESP32-C3 Super Mini
• I2C Scanner Code for ESP32
• RTC Module (DS1307/DS3231) Testing
• Fixing I2C Detection Errors (Knob Adjustments!)
• Live Serial Monitor Output
• Common Mistakes & Fixes

💡 Pro Tip: Always check the contrast knob on LCD modules and ensure correct SDA/SCL pin connections for ESP32-C3!

📍 Pinout Used:
• SDA: GPIO 5
• SCL: GPIO 4

📦 Libraries Used:
• Wire.h
• RTClib.h
• LiquidCrystal_I2C.h by Frank de Brabander

💬 Got questions? Drop them in the comments – I respond to every one!

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