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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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Arduino Lesson 3 – Blink an LED using delay() Function

  • Electronic Circuits
  • 31/08/2021
  • Arduino, Arduino Mini Course, Embedded System, Learning

Arduino: Lesson 3 – Blinking an LED with delay() Today we are going to learn how to make our first algorithm, let’s learn how to use the blink() function, this function makes your Arduino blink an LED, every time determined…

Read MoreArduino Lesson 3 – Blink an LED using delay() Function

Arduino Lesson 2 – Install Arduino IDE on Windows (Step-by-Step Guide)

  • Electronic Circuits
  • 23/08/2021
  • Arduino, Arduino Mini Course, Embedded System, Learning

Arduino: Lesson 2 – How to Install Arduino Software (IDE) on Windows – Step by Step! Welcome to Lesson 2 – Basic Arduino Course Today we are going to explain how to install Arduino Software (IDE) on Windows machines step…

Read MoreArduino Lesson 2 – Install Arduino IDE on Windows (Step-by-Step Guide)

Arduino Mega 2560 R3: Complete Pinout and Key Features

  • Electronic Circuits
  • 22/08/2021
  • Arduino, Embedded System

Pinout diagram of the Arduino Mega 2560 R3 development board. 🌐 You can read this article in: Português | Español The Arduino Mega 2560 R3 is one of the most robust and popular development boards in the Arduino family, designed…

Read MoreArduino Mega 2560 R3: Complete Pinout and Key Features

DIY Audio Cables: Build Guitar, Keyboard & Mixer Cables Step-by-Step

  • Electronic Circuits
  • 09/08/2021
  • Audio and Sound Systems, Electronic Components

DIY Audio Cables: Build Your Own Guitar, Keyboard, and Mixer Cables Step by Step – elcricuits.com 🌐 You can read this article in: Português | Español Hello, electronics enthusiasts! Have you ever had trouble with incompatible audio cables or paid…

Read MoreDIY Audio Cables: Build Guitar, Keyboard & Mixer Cables Step-by-Step

Adjustable Symmetrical Power Supply 1.25V–47V 10A with Protection + PCB

  • Electronic Circuits
  • 04/08/2021
  • Circuits to Assemble, Electronic Circuits, Linear Power Supply, Power Supply
Read MoreAdjustable Symmetrical Power Supply 1.25V–47V 10A with Protection + PCB

3.7V Li-Ion Battery Charger Circuit using MCP73831 IC + PCB

  • Electronic Circuits
  • 15/07/2021
  • Battery Chargers, Circuits to Assemble, Electronic Circuits

3.7V Li-Ion Battery Charger with MCP73831 IC + PCB 🌐 You can read this article in: Português | Español Hello Everyone! Today we’re going to dive into the fascinating world of lithium-ion battery chargers! If you’ve ever wondered how that…

Read More3.7V Li-Ion Battery Charger Circuit using MCP73831 IC + PCB
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