DIY
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What is Capacitor Leakage Current and How to Reduce It The capacitor is the most common component in electronics and is used in almost every electronics application. There are many types of capacitors available in the market for serving different purposes in any electronic circuit. They are available in many different values from 1 pico-Farad to 1 Farad capacitors and Supercapacitors. Capacitors also have different types of… |
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Interfacing Vibration Sensor Module with Arduino There are several critical machines or expensive equipment which suffer damage due to vibrations. In such a case, a vibration sensor is required to find out whether the machine or equipment is producing vibrations or not. Identifying the object which is continuously vibrating is not a tricky job if the proper sensor is used to detect the vibration. There are several types of… |
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Obstacle Avoiding Robot using Arduino and Ultrasonic Sensor An Arduino obstacle avoiding robot is a smart, autonomous robot that detects obstacles on its path using sensors and then navigates around the obstacle by changing direction. This obstacle avoidance robot using Arduino project is a great project for newbies who want to learn about robotics and programming. The robot has been provided with an HC-SR04 ultrasonic sensor for… |
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An Overview of Dual Converters In the previous tutorial, we saw how a Dual Power Supply Circuit is designed. Now, we learn about Dual Converters, which can convert AC to DC and DC to AC at the same time. As the name suggests, Dual Converter has two converters, one converter works as a rectifier (Converts AC to DC) and the other converter works as an inverter (converts DC into AC). Both converters are… |
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What is JFET: Its Construction, Working and Biasing Techniques JFET is a Junction gate field-effect transistor. A normal transistor is a current-controlled device which needs current for biasing, whereas a JFET is a voltage-controlled device. Similar to MOSFETs, as we have seen in our previous tutorial, JFET has three terminals: Gate, Drain, and Source. JFET is an essential component for precision-level voltage… |
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Thyristor Commutation Techniques To turn on a Thyristor, there are various triggering methods in which a trigger pulse is applied at its Gate terminal. Similarly, there are various techniques to turn off a Thyristor; these techniques are called Thyristor Commutation Techniques. It can be done by bringing the Thyristor back into the forward blocking state from the forward conduction state. To bring the… |
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How to Burn Arduino Bootloader in ATmega328 IC and Program it using Arduino IDE We all know that, Atmega328 IC is used in Arduino UNO board. This IC is the brain of the Arduino board. Actually, Arduino designers wanted to make a handy prototyping board for the beginners so they organized all the components in such way that anybody can access all the pins of the Atmega328 IC and can program it just by connecting it to computer. Arduino board is very… |
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How to Build FM Transmitter Circuit One of the cool projects I always wanted to build is an FM transmitter with a good range. I have always been fascinated by some of the applications of the transmitter, especially when I was younger and, like everyone else, spent most of my time imagining how cool it would be to have some of the equipment and devices used in spy movies. So recently, while going over one of my… |
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Introduction to Bit Banging: SPI communication via Bit Banging Communication Interfaces are one of the factors that are considered when selecting a microcontroller to be used for a project. The designer ensures that the microcontroller being selected has all the interfaces required to communicate with all the other components to be used for the product. The existence of some of these interfaces, like SPI and I2C on microcontrollers,… |
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Asynchronous Counter An asynchronous counter (or ripple counter) is a sequential digital circuit in which the outputs of flip-flops are connected in series, so that the output of one flip-flop serves as the clock input to the next stage. Not all flip-flops may change state at the same time as synchronous counters, so asynchronous counters are easier to design but may experience propagation delays. Table of… |
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Automatic Water Dispenser using Arduino This tutorial describes how to make an automatic water dispenser from Arduino and an ultrasonic sensor. This tutorial describes how to make an automatic water dispenser using an electronic diagram, a code snippet, a list of things, and a demonstration of how to make your water dispenser work. Table of Contents Why Build an Automatic Water Dispenser? Components… |
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Voltage Controlled Oscillator (VCO) Most of the consumer electronic devices around us, such as mobile phones, TVs, Radios, and MP3 players, are a combination of Digital and Analogue electronics. Wherever wireless transmission/reception, or audio signals are involved in an electronic design, we will need periodic oscillating electronic signals. These signals are called Oscillating signals and are very useful in… |
