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Practical Buddy
36 posts
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Practical Buddy
@PBuddy57996
Content creator in Electronics | Sharing tutorials on Analog Electronics, Semiconductors, Embedded Systems & DIY Projects | Learn by Doing.
Joined August 2025
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  • user avatar
    Practical Buddy
    @PBuddy57996
    Jan 15
    In this video, we dive deep into the working of an Automatic Street Light Controller using just a single BJT transistor and an LDR sensor. 🌙💡 Full Video link:- youtu.be/xXhIjG8q7h4 Full Course Link:- udemy.com/course/analog-…
    In this video, we dive deep into the working of an Automatic Street Light Controller using just a single BJT transistor and an LDR sensor. 🌙💡
You’ll learn:
✅ How an LDR (Light Dependent Resistor) senses ambient light intensity
✅ The role of a BJT transistor as a switch in the circuit
✅ Step-by-step explanation of how the circuit turns the street light ON at night and OFF during the day
✅ Practical applications of this project in real-life automation
This project is a beginner-friendly electronics project that helps you understand the basic concepts of transistors, sensors, and automatic control circuits. Whether you’re an electronics hobbyist, a student, or someone looking for DIY automation ideas, this video will give you a clear and practical explanation.
  • user avatar
    Practical Buddy
    @PBuddy57996
    Jan 6
    Operating Region in #mosfet | #saturation #linear #cutoff #fets #fettransistor #electronics #bjt 🔍 MOSFET Operating Regions Explained | Cutoff, Linear & Saturation | Short #10 Full Video Link:- youtube.com/shorts/Dib9HyZ…
    🔍 MOSFET Operating Regions Explained | Cutoff, Linear & Saturation | Short #10

About this Video:-
In the 10th video of the Learning MOSFETs Through Shorts series, we break down the three key operating regions of a MOSFET — a must-know concept for anyone learning electronics or circuit design.

⚡ What You'll Learn:
🔹 Cutoff Region – The MOSFET acts like an open switch; no current flows as VGS less than Vth
🔹 Linear (Ohmic) Region – The MOSFET behaves like a variable resistor, ideal for analog applications
🔹 Saturation Region – The MOSFET works as an amplifier, with constant current flow, used in analog and digital switching

💡 This video provides a clear and visual explanation of how a MOSFET behaves in each region, helping you understand its practical role in switching, amplification, and analog control circuits.

🎯 Whether you’re an electronics hobbyist or an engineering student, this short will help you grasp one of the most important concepts in MOSFET theory.
  • user avatar
    Practical Buddy
    @PBuddy57996
    Dec 20, 2025
    Drain–Source Characteristics of #MOSFET 🔍 Understand how ID varies with VDS, and clearly identify cutoff, triode & saturation regions — explained simply in this #Short ! #transistor #semiconductor #electronics #Engineering #vlsi ▶️ Watch now:- udemy.com/course/lab-bas…
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  • user avatar
    Practical Buddy
    @PBuddy57996
    Dec 16, 2025
    Transfer Characteristics of MOSFET – Part 2 ⚡ Why ID = 0 when VGS < Vth? ⚡ No channel → no conduction in an E-MOSFET. Once VGS > Vth, the channel forms and ID flows. #semiconductor #transistor #vlsi #electronics #mosfet #electrical #bjt Video Link:- udemy.com/course/lab-bas…
    00:00
  • user avatar
    Practical Buddy
    @PBuddy57996
    Dec 10, 2025
    ⚡️ New Video Alert! ⚡️ Want to master MOSFETs in #LTspice? My latest short breaks down exactly how to simulate and plot the Transfer Characteristic curve. Perfect for #Students & #hobbyists! #semiconductor #electronics #vlsi #transistor Video Link:- youtube.com/shorts/7fpu58V…

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