LM358
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How to Design an Overcurrent Protection Circuit Using LM358 Op-Amp Protection circuits are vital for any electronic design to be successful. In our previous protection circuit tutorials, we have designed many basic protection circuits that can be adapted into your circuit, namely, Over Voltage Protection, Short-Circuit Protection, Reverse polarity protection, etc. Adding to this list of circuits, in this article, we will learn how to design… |
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Frequency Compensation of Op-amp and why it is important in your Op-Amp Circuits Operational Amplifiers or Op-Amps are considered the workhorse of Analog Electronic Designs. Back from the Analog computers era, Op-Amps have been used for mathematical operations with analog voltages, hence the name operational amplifier. To date, Op-Amps are extensively used for voltage comparison, differentiation, integration, summation and many other things. Needless to… |
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LED VU Meter using LM3914 and LM358 We can consider the Volume Meter as an Equalizer, which is present in the Music systems. In which we can see the dancing of lights (LEDs) according to the music, if the music is loud, equalizer reaches to its peak and in low music it remains Low. We have also built a Volume Meter or VU meter, with the help of MIC, OP-AMP and LM3914, which glows the LEDs as per strength of… |
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DIY Smart Electronic Candle using LDR Candles have been of great use since ages, it has been guiding humans during night even before Edison came up with the idea for bulbs. Today, from Churches to kitchens, Candles are used not only to provide light when needed but also adds up to the aesthetics and provides a warm feeling. While ordinary candles work fine, they melt away pretty fast making the place nasty and… |
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Transimpedance Amplifier - Current to Voltage Converter To explain in simple words a Transimpedance amplifier is a converter circuit which converts the input current to a proportional output voltage. As we know when current flows through a resistor it creates a voltage drop across the resistor which will be proportional to the value of current and the value resistor itself. Here, assuming the value of resistor to be ideally… |
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Simple Curve Tracer Circuit: Tracing the Curve for Resistor, Diode and Transistor Most of electronics deals with Tracing Curves, be it the characteristic transfer curve for a feedback loop, a resistor’s straight VI line or a transistor’s collector voltage versus current curve. These curves give us an intuitive understanding of how a device behaves in a circuit. An analytical approach might involve plugging in discrete… |
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Sawtooth Waveform Generator Circuit In electronics, waveforms are mostly plotted against voltage and time. The frequency and amplitude of the signal can vary according to the circuit. There are many types of waveforms, like sine wave, square wave, triangular wave, ramp wave, sawtooth wave etc. We have already designed sine wave and square wave generator circuit. Now, in this tutorial we will show you, how to… |
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Arduino Wattmeter: Measure Voltage, Current and Power Consumption As electronics engineers, we always depend upon meters/instruments to measure and analyse the working of a circuit. Starting with a simple multimeter to a complex power quality analysers or DSOs everything has their own unique applications. Most of these meters are readily available and can be purchased based on the parameters to be measured and their accuracy. But sometimes… |
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Summing Amplifier or Op Amp Adder Circuit Operational Amplifiers (Opamp) has so many interesting applications, and we have already created many circuits using op-amps. Today we are going to study one more application of Opamp which is to add two or more input voltages and the circuit is called Summing amplifier or Opamp Adder. Here we will use LM358 Opamp to demonstrate the Adder Circuit. … |
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Simple Air Flow Detector Circuit Detection of air flow is useful in many projects and applications. Here we are building a very simple circuit to detect the air flow presence. This circuit doesn’t require any fancy stuff like Resistance Temperature Detector (RTD) or Zener diode etc. Here we are using a simple AC bulb filament with some cheap component to detect the air. This is very interesting project… |
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Electronic Circuit Breaker with High/Low Voltage Protection Voltage fluctuations have always been a problem and are responsible for most of the failure in AC appliances. Be it a normal home appliance like a Toaster or a high performance industrial machine like a CNC, everything has a rated voltage only on which it will run without any problem at its maximum efficiency. Unfortunately our Domestic/Industrial Lines fails to… |
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High/Low Voltage Detection and Protection Circuit using PIC Microcontroller We often see voltage fluctuations in electricity supply at our home, which may cause malfunction in our home AC appliances. Today we are building a low cost High and Low Voltage Protection Circuit, which will cut off the power supply to the appliances in case of High or Low voltage. It will also show a alert message on 16x2 LCD. In this project, we have used PIC… |
