In this project we build a simple boost converter circuit using a 555 timer IC. Boost converter is a non-isolated type of switch mode power supply that is used to step-up the voltage.
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A Simple DC-DC Boost Converter Circuit using 555 Timer IC
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Full Adder Circuit: Theory, Truth Table & Construction
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In a Full Adder Circuit, we can add a carry-in bit along with the two binary numbers. We can also add multiple-bit binary numbers by cascading the full adder circuits, which we covered in this tutorial
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Optocoupler Tester Circuit: Build, Test & Troubleshoot
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Build a simple DIY optocoupler tester circuit with two LEDs and a 3.7V battery. Test 4-pin and 6-pin optocouplers instantly, no instruments needed. Full diagram included.
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DIY Power Bank Circuit Diagram: How to Make a Power Bank Circuit
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How to make a power bank? Here is the complete DIY tutorial with a power bank circuit diagram using a 18650 lithium battery, a TP4056 module, and a boost converter.
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Voltage Controlled Oscillator (VCO): Basics,Working Principle & Types
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A Voltage Controlled Oscillator is an oscillator which produces oscillating signals (waveforms) with variable frequency. The frequency of this waveform is varied by varying the magnitude of the Input voltage.
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Three Phase Inverter Circuit
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In this article, we will discuss 3 Phase Inverter Circuit which is used as DC to 3 phase AC converter. Do remember that, even in the modern days achieving a completely sinusoidal waveform for varying loads is extremely difficult and is not practical. So here we will discuss the working of an ideal three-phase converter circuit neglecting all the issues related to practical 3 phase inverter.
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Fire Alarm Circuit using Thermistor and 555 Timer
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This project covers a simple fire alarm circuit using a thermistor and a 555 timer IC. Here, a thermistor is used as a fire detector. A thermistor is a temperature-sensitive resistor whose resistance changes with temperature: it decreases as temperature increases and vice versa.
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Overcurrent Protection Circuit using Op-Amp
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This circuit will have an adjustable overcurrent threshold and an Auto-restart on failure feature. As this is an op-amp-based overcurrent protection circuit, it will have an op-amp as the driving unit.
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RC Phase Shift Oscillator Circuit using Op-Amp
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An RC Phase Shift Oscillator is an electronic oscillator circuit which produces a sine wave output. It can either be designed by using a transistor or by using an Op-amp as an inverting amplifier.
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Reverse Polarity Protection Using MOSFET | Step By Step Circuit Guide
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Learn how to build a reverse polarity protection circuit using a P-channel MOSFET. Compare MOSFET vs diode efficiency, see step-by-step wiring, Zener gate protection & real-world uses.
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