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DC-DC Boost Module (0.9V~5V) to 5V 600mA USB Step-up Board

Last Updated on May 9, 2025 by Swagatam Leave a Comment

So this is a DC-DC boost converter that takes a low voltage (0.9V to 5V) and steps it up to a stable 5V. We use this when we have a small battery, but we need 5V output, like for USB devices. It is super useful for battery-powered projects and small electronics. Main Features How It […]

Filed Under: Power Supply Circuits Tagged With: 600mA, Boost, DC, Module, Step, USB

Step-Down Adjustable Voltage, Current Regulator Circuit using LM2673

Last Updated on February 7, 2025 by Swagatam Leave a Comment

The LM2673 series of regulators is a collection of monolithic integrated circuits that are designed to provide all the active functions needed for making a step-down, or buck converter, switching regulator circuit. This means that they are capable of driving loads of up to 3 amps while maintaining excellent line and load regulation characteristics. One […]

Filed Under: Power Supply Circuits Tagged With: Adjustable, Current, Down, Regulator, Step, Voltage

Digital Step Sine wave Generator Circuit

Last Updated on September 11, 2021 by Swagatam 2 Comments

digital sinewave generator circuit compressed

In this post I have explained how to build a simple yet accurate digital sine wave generator circuit, which is basically an oscillator circuit, enhanced to generate square waves through incrementing steps, which ultimately appears like a stepped sine waveform. By Ron Mackenzy The difference between analogue sine wave generator and digital sine wave generator […]

Filed Under: Oscillator Circuits Tagged With: Digital, Generator, Sine, Step, Wave

Arduino 2-Step Programmable Timer Circuit

Last Updated on December 5, 2024 by Swagatam 40 Comments

Arduino programmable timer circuit

In this article I have explained how to make a simple 2-step Arduino programmable timer circuit, which can be used to switch an electrical load ON/OFF with independently adjustable ON and OFF timings. For example if you want a light to remain ON for 24 hours and OFF for 2 hours, you can simply do […]

Filed Under: Arduino Projects, Timer and Delay Relay Tagged With: Arduino, Programmable, Step, Timer

How to Make Step Down Transformers

Last Updated on January 3, 2025 by Swagatam 158 Comments

core lamination

A step down transformer is a device which reduces a higher AC potential to a lower AC potential as per its winding ratio and specifications. In this article we are going to discuss how to design and construct a basic step down transformer which are typically applied in mains-operated power supplies. Introduction This will likely […]

Filed Under: Power Supply Circuits Tagged With: Down, Step, Transformers

How to Make Arduino on Breadboard – Step by Step Instructions

Last Updated on December 5, 2024 by Swagatam 18 Comments

breadboard arduino

In this article I have explained how to make an Arduino on a breadboard. We are also going to see what is an Arduino, how to program it and how to assemble them as standalone microcontroller on a breadboard or PCB. Arduino was a boon for those who wanted to learn microcontrollers and embedded system […]

Filed Under: Arduino Projects Tagged With: Arduino, Breadboard, Instructions, Step

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