Blog - PIC Microcontroller

Getting Started with MicroPython on ESP32 using uPyCraft IDE

Most of us are familiar with the Python programming language. Python is a very powerful programming language and used to build many applications from the Internet of Things to Artificial Intelligence (AI). By seeing the popularity of python, this community developed the reimplementation of Python which is called MicroPython. So in this tutorial, we will get to know about MicroPython, how […]

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Design a Voltage Controlled Current Source Circuit using Op-Amp

In a voltage-controlled current source circuit, as the name implies, a small amount of voltage across the input will proportionally control the current flow across the output loads. This type of circuit is commonly used in electronics to drive current-controlled devices like BJT, SCR, etc. We know that in a BJT the current flowing through the base of

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Voltage to Frequency Converter using AD654

A voltage-to-frequency converter (VFC) is an oscillator that outputs a square-wave, whose frequency is linearly proportional to its input voltage. The output square wave can be directly fed to a digital pin of a microcontroller to accurately measure the DC input voltage, which means the input voltage can be measured using 8051 or any other microcontroller which

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Current Divider Circuits Explained with Formula and Practical Hardware

When designing an electronic circuit, there are lots of situations when a circuit requires different values of voltage and current sources. For example, when setting the preset voltage for an Op-Amp, it is very common to use a potential divider circuit to obtain the required voltage values. But what if we need a specific value of current?

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Switched Capacitor Voltage Converter

A switched capacitor voltage converter performs energy transfer and voltage conversion using capacitors. There are mainly two types of switched capacitor voltage converters, first is the voltage inverter circuit and the second is the voltage doubler circuit. These types of circuits are commonly known as charge pump circuits. In this project, we will design a switched capacitor voltage inverter using Texas Instruments LMC7660S IC, and

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PWM Inverter Circuit using TL494

An inverter is a circuit that converts Direct Current (DC) to Alternating Current (AC). A PWM inverter is a type of circuit that uses modified square waves to simulate the effects of Alternating Current (AC), which is suitable for powering most of your household appliances. I say most-of because there generally exist two types of inverters, the first type is the so-called a modified square

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Buck Boost Regulator using XL6009 with Adjustable 3.3V to 12V Output Voltage

Buck-Boost regulator is made using two different topologies, as the name suggests, it consists of both buck and boost topology. We already know that Buck Regulator Topology provides a lower magnitude of output voltage than the input voltage, while a Boost Regulator Topology provides a higher magnitude of output voltage than the provided input voltage. We have already built

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High Power High Efficiency Buck Converter Circuit using TL494

A buck converter (step-down converter) is a DC-to-DC switching converter that steps down voltage while maintaining a constant power balance. The main feature of a buck converter is efficiency, which means with a buck converter on board, we can expect extended battery life, reduced heat, smaller size, and improved efficiency. We previously made a few simple Buck converter

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Triangle Wave Generator Circuit using Op-amp

Function generator or waveform generator is an integral part of electronics and used to produce various kinds of waveforms like a sine wave, square wave, Sawtooth wave, etc. We have already designed sine wave generator circuit, square wave generator circuit, and sawtooth wave generator circuit. Now in this tutorial, we will show you, how to

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Over Voltage, Over Current, Transient Voltage & Reverse Polarity Protection Circuit using RT1720 Hot Swap Controller with Fault Timer

Oftentimes in an electronic circuit, it’s absolutely necessary to use a special protection unit to protect the circuit from overvoltage, overcurrent, transient voltage, and reverse polarity and so on. So, to protect the circuit from these surges, Richtek Semiconductor introduced the RT1720A IC which is an oversimplified protection IC designed to meet the needs. The

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