STEM electronic communication eng

🔊 Bluetooth Audio Amplifier Project
Built a Wireless Music Amplifier using Bluetooth Module + LM386 IC 🎵
In this project, I designed a simple and low-cost Bluetooth Audio Amplifier that receives audio wirelessly from a mobile phone and drives a speaker with clear and loud sound output.
🔹 Key Features:
✔ Wireless audio transmission
✔ Compact & low-cost design
✔ Beginner-friendly electronics project
✔ Clear & powerful sound output
🔹 Components Used:
LM386
HC-05 / MH-M18
8Ω Speaker
Capacitors & Resistors
9V / 12V Power Supply
🔹 Applications:
• DIY Bluetooth Speaker
• Home Audio System
• Portable Music System
• Classroom Audio Setup
This project is ideal for Diploma, B.Tech, and Electronics Engineering students who want to understand practical audio amplifier design.
If you're interested in electronics projects like this, let’s connect and build more innovative circuits! 🚀
#BluetoothAmplifier #LM386 #ElectronicsProject #AudioAmplifier #DIYElectronics #EngineeringStudents #WirelessAudio

41 minutes ago | [YT] | 0

STEM electronic communication eng

📘 Design of Two-Stage Operational Amplifier | High Gain CMOS Op-Amp Architecture
In analog VLSI design, the Two-Stage CMOS Operational Amplifier remains one of the most fundamental and widely used building blocks.
In this lecture, I explained:
🔹 Differential Amplifier (Input Stage)
🔹 Common Source Gain Stage
🔹 Biasing Circuit Design
🔹 Miller Compensation Technique
🔹 Gain Calculation (A = A₁ × A₂)
🔹 Stability & Phase Margin
🔹 Design Parameters & Applications
Two-stage op-amps are extensively used in:
✔ Analog to Digital Converters (ADC)
✔ Digital to Analog Converters (DAC)
✔ Active Filters
✔ Instrumentation Amplifiers
✔ Sensor Interfaces
This session is especially helpful for: 🎓 B.Tech / M.Tech Students
📘 GATE Aspirants
💼 VLSI Interview Preparation
🔬 Analog IC Design Learners
Understanding this architecture is essential for mastering Analog Electronics and CMOS VLSI Design.
If you're working in Analog/VLSI domain, I would love to hear your insights on op-amp design challenges 👇
#AnalogElectronics #VLSI #CMOS #OpAmp #AnalogDesign #ElectronicsEngineering #GATEPreparation

2 days ago | [YT] | 2

STEM electronic communication eng

🔥 15 LED Chaser using Arduino | Full Wiring + Code
1. Arduino 15 LED Chaser Project | Step-by-Step Tutorial
2. 15 LED Running Light Circuit | Arduino Beginner Project
3. LED Chaser Effect with 15 LEDs 🔥 | Complete Guide
4. Arduino LED Chaser (15 LEDs) | Circuit Diagram + Code
5. 15 LED Knight Rider Effect using Arduino
6. Beginner Arduino Project – 15 LED Chaser Light
7. How to Make 15 LED Chaser | Full Wiring Explained
8.Arduino LED Sequencer with 15 LEDs | Easy Project
9. 15 LED Chaser Light Animation | DIY Electronics Project

3 days ago | [YT] | 4

STEM electronic communication eng

Voice Amplifier for Teachers 🎙 Clear & Loud Classroom Sound
Other Good Options:
How Voice Amplifier Helps Teachers? 📢
Classroom Voice Amplifier Explained
Basic Electronics Application – Voice Amplifier
No More Throat Strain! Use Voice Amplifier
Teacher Voice Amplifier System Working
Microphone to Speaker – Voice Amplifier Process
Portable Voice Amplifier for Classroom
Electronics Seminar Topic – Voice Amplifier

3 days ago | [YT] | 2

STEM electronic communication eng

CMOS Inverter – VTC Curve
🔹 Vout vs Vin Graph
🔹 Sharp Switching
🔹 VDD to 0V Transition
⚡ Digital Electronics Important Topic
(Visual: VTC graph image)

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5 days ago | [YT] | 3

STEM electronic communication eng

Home automation printed circuit board

2 weeks ago | [YT] | 9

STEM electronic communication eng

Two stages op amplifier circuit

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1 month ago | [YT] | 8