Basic Electronics for IoT | Ohm's Law, 3.3V vs 5V, Multimeter & More | IoT Bootcamp Ep 5
🔌 In this episode, we break down the essential electronics concepts every IoT student needs before touching real hardware. No fluff — just what matters. By the end of this video, you'll know how to wire a breadboard correctly, apply Ohm's Law to real circuits, protect your ESP32 from 5V logic damage, use a multimeter with confidence, and read a component datasheet. Video Chapter: 00:00 - Introduction & Chapter 5 Overview 01:32 - Breadboard Fundamentals & Power Rails 03:15 - Real Breadboard Demo (Watch Out for Hidden Gaps!) 05:35 - Understanding Ohm's Law (Voltage, Current & Resistance) 06:34 - How to Calculate Resistor Value for an LED 07:50 - Basics of Resistors, Capacitors & Diodes 08:46 - 3.3V vs 5V Logic Levels (ESP32 vs Arduino) 10:22 - Using Logic Level Shifters & Voltage Dividers 11:08 - Multimeter Basics: Ports & Settings 12:42 - How to Measure Resistance 13:27 - How to Measure Capacitance 13:58 - How to Measure Current 15:17 - How to Measure DC Voltage 16:02 - Continuity Testing (Finding Short Circuits & Broken Wires) 17:37 - How to Read Technical Datasheets 18:47 - Reading a DHT22 Sensor Datasheet 20:43 - Understanding Sensor Pin Diagrams 21:43 - Conclusion & What's Next in the Bootcamp The Full-Stack IoT Engineer Bootcamp: • The Full-Stack IoT Engineer Bootcamp [Contact Me] 🌐 Website: https://iotbhai.io/ 💻 GitHub: https://github.com/ittipu 📘 Facebook: https://www.facebook.com/profile.php?... 📧 Email: [email protected] Like, comment, and subscribe for more Raspberry Pi, Arduino, ESP32, GSM, GPS, Embedded System & IoT tutorials! #esp32 #ota #github #iot #microcontroller #electronics #firmwareupdate #embeddedsystems #esp32projects #arduino #arduinoproject #arduinoprogramming #esp32ota #iotbhai #esp32wifi #raspberrypi
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