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  • 🏠 Home
  • 🔬 Projects
    • Audio Amplifier
      • Transistor Amplifier
      • Integrated Circuit Amplifier
    • Power Supply
      • Linear Power Supply
      • Switched Power Supply
    • Battery Chargers
    • Embedded System
      • Arduino
      • ESP32/ESP8266
      • Raspberry
      • Arduino Mini Course
    • RF Transmitters
  • 🖥️ CPD/IT
  • 🧰 Online Tools
    • Online Engineering Calculators and Tools for Professionals and Students
    • Resistor Color Code Calculator – 4, 5 and 6 Bands with Full Chart
    • SMD Resistor Calculator – Convert Codes to Ohms Instantly
    • Online HTML, CSS, and JavaScript Code Editor – Free!
    • Online Tone Generator – Sine, Square, Triangle, Sawtooth, Pink Noise and White Noise
    • Force Unit Converter – N, kgf, lbf, dyn and kp
    • LED Resistor Calculator – Find the Ideal Current-Limiting Resistor
    • Weight Unit Converter – mg, g, kg, lb, oz and Tons
    • Capacitance Conversion Calculator Picofarad (pF), Nanofarad (nF), Microfarad (μF) & Farad (F)
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Electronic Circuits
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24W Stereo Hi-Fi Audio Amplifier using TDA2616 IC + PCB

  • Electronic Circuits
  • 08/12/2021
  • Audio Amplifier, Circuits to Assemble, Electronic Circuits, Integrated Circuit Amplifier

24W Stereo Hi-Fi Audio Amplifier using TDA2616 + PCB In this article, we show you how to build a simple and portable 12W + 12W audio amplifier using the TDA2616 Integrated Circuit. The TDA2616 IC is a stereo power audio…

Read More24W Stereo Hi-Fi Audio Amplifier using TDA2616 IC + PCB

Adjustable Switching Power Supply 5.1V-40V 2.5A using L4960 + PCB

  • Electronic Circuits
  • 06/12/2021
  • Circuits to Assemble, Electronic Circuits, Power Supply, Switched Power Supply

Adjustable Switching Power Supply 5.1 to 40V, 2.5 Amp using L4960 In this article, we present an adjustable power supply with a stabilized output that varies from 5.1 to 40V, with a current of 2.5 amps. This one can also…

Read MoreAdjustable Switching Power Supply 5.1V-40V 2.5A using L4960 + PCB

5W Stereo Audio Amplifier Circuit using TEA2025 IC + PCB

  • Electronic Circuits
  • 04/12/2021
  • Audio Amplifier, Circuits to Assemble, Electronic Circuits, Integrated Circuit Amplifier

5W Stereo Audio Amplifier Circuit using TEA2025 In this article, we show you how to build a simple and portable 5W stereo audio amplifier using the TEA 2025 Integrated Circuit. This circuit built based on TEA2025 IC which is a…

Read More5W Stereo Audio Amplifier Circuit using TEA2025 IC + PCB

High Precision 5V 3A Voltage Regulator using TL431 + PCB

  • Electronic Circuits
  • 03/12/2021
  • Circuits to Assemble, Electronic Circuits, Linear Power Supply, Power Supply

Adjustable Switching Power Supply 5.1 to 40V, 2.5 Amp using L4960 Circuits with a high level of sensitivity require a stable supply, they are generally difficult to be powered by power supplies, due to the high level of sensitivity needed…

Read MoreHigh Precision 5V 3A Voltage Regulator using TL431 + PCB

Pro Symmetric PSU for 2500W Amp: PCB Layout & Calc Guide

  • Electronic Circuits
  • 30/11/2021
  • Circuits to Assemble, Electronic Circuits, Electronics, Linear Power Supply, Power Supply

Pro Symmetrical Power Supply for Amps up to 2500W with PCB and Practical Calculations 🌐 You can read this article in: Português | Español For high-fidelity audio lovers who build their own equipment, there is an undeniable truth: sound quality…

Read MorePro Symmetric PSU for 2500W Amp: PCB Layout & Calc Guide

3-Band Active Graphic Equalizer (LF353 IC) + PCB Guide

  • Electronic Circuits
  • 10/11/2021
  • Circuits to Assemble, Electronic Circuits, Equalizer and Preamps

3-Band Active Equalizer Circuit with LF353 IC 🌐 You can read this article in: Português | Español Hello, electronics enthusiast! Today we’re going to dive into the fascinating world of audio processing with a project that will completely transform your…

Read More3-Band Active Graphic Equalizer (LF353 IC) + PCB Guide
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