RFID Based Attendance System Using ESP32 with Firebase and Google Sheets
What You’ll Build in This Project: The system reads RFID tags and uploads attendance data instantly to Firebase and Google…
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What IoT Means: A Beginner’s Guide to the Internet of Things
introduction Imagine waking up to your coffee maker already brewing your morning cup, your AC adjusting temperature before you arrive…
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ESP32 Pinout Reference: GPIO, ADC & Safe Pins Guide
ESP32 Board Confusion: DevKit V1 vs. WROOM-32 vs. NodeMCU I remember my first purchase. I saw listings for “NodeMCU,” “DevKit,”…
