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    8051 Tutorial
    June 15, 2015
    “Architecture and Programming of 8051 Micro-controllers” Learn in a quick and easy way to program 8051 microcontroller using many practical examples we have provided for you. Despite its relative old...
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    Learn Arduino! Lesson-1.
    August 23, 2015
    Overview In this lesson, you will learn how to program your Arduino to make the Arduino's built-in LED blink. Parts   Arduino Uno R3 The 'L' LED The Arduino has rows of connectors along both...
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    Door Bell Memory
    September 15, 2015
    A memory function with just two transistors. Sometimes it’s useful to know if a visitor called while you were out. Maybe you’re expecting a delivery of essential electronic components; this...
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    Modular Dot Matrix Display
    October 20, 2015
    Moving signs are a common enough sight today but off-the-shelf units are invariably expensive and somewhat inflexible. The six-character module described in this article can be cascaded up to...
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    300W Power Amplifier PA300
    October 24, 2015
    Taken by themselves, the properties of the PA300 amplifier are not revolutionary. But taken in combination, they show something special: a robust 300-watt Hi-Fi power amplifier that is not...
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    Zero-Electrolytics 555 Timer
    November 2, 2015
    The more resistance the better! A timer circuit that turns on a pump for a short time every five minutes can be easily made using the famous 555 IC. Unfortunately,...
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    Class-D Audio Amplifier Basic
    August 6, 2016
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    Learn Arduino
    November 18, 2015
    Arduino is a physical computing platform based on a simple open hardware design for a single-board micro-controller, with embedded I/O support and a standard programming language. The Arduino programming...